[go: up one dir, main page]

BR112013008949A2 - "aparelho e método para detecção de falha e determinação de localização" - Google Patents

"aparelho e método para detecção de falha e determinação de localização"

Info

Publication number
BR112013008949A2
BR112013008949A2 BR112013008949A BR112013008949A BR112013008949A2 BR 112013008949 A2 BR112013008949 A2 BR 112013008949A2 BR 112013008949 A BR112013008949 A BR 112013008949A BR 112013008949 A BR112013008949 A BR 112013008949A BR 112013008949 A2 BR112013008949 A2 BR 112013008949A2
Authority
BR
Brazil
Prior art keywords
fault detection
location determination
determination
location
fault
Prior art date
Application number
BR112013008949A
Other languages
English (en)
Other versions
BR112013008949A8 (pt
BR112013008949B8 (pt
BR112013008949B1 (pt
Inventor
Charles J Kim
Original Assignee
Univ Howard
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Howard filed Critical Univ Howard
Publication of BR112013008949A2 publication Critical patent/BR112013008949A2/pt
Publication of BR112013008949A8 publication Critical patent/BR112013008949A8/pt
Publication of BR112013008949B1 publication Critical patent/BR112013008949B1/pt
Publication of BR112013008949B8 publication Critical patent/BR112013008949B8/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
    • G01R27/32—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/18—Indicating phase sequence; Indicating synchronism
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52—Outage or fault management, e.g. fault detection or location

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)
BR112013008949A 2010-10-12 2011-10-10 Método e sistema para determinar uma distância a falhas elétricas em uma rede de energia elétrica BR112013008949B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/902,819 2010-10-12
US12/902,819 US8941387B2 (en) 2010-10-12 2010-10-12 Apparatus and method for fault detection and location determination
PCT/US2011/055582 WO2012051104A1 (en) 2010-10-12 2011-10-10 Apparatus and method for fault detection and location determination

Publications (4)

Publication Number Publication Date
BR112013008949A2 true BR112013008949A2 (pt) 2016-06-28
BR112013008949A8 BR112013008949A8 (pt) 2017-12-05
BR112013008949B1 BR112013008949B1 (pt) 2023-11-14
BR112013008949B8 BR112013008949B8 (pt) 2023-12-12

Family

ID=45924647

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013008949A BR112013008949B8 (pt) 2010-10-12 2011-10-10 Método e sistema para determinar uma distância a falhas elétricas em uma rede de energia elétrica

Country Status (9)

Country Link
US (1) US8941387B2 (pt)
EP (1) EP2628252B1 (pt)
JP (1) JP2013542433A (pt)
CN (1) CN103329451B (pt)
AU (1) AU2011313840B2 (pt)
BR (1) BR112013008949B8 (pt)
CA (1) CA2814661C (pt)
ES (1) ES2959091T3 (pt)
WO (1) WO2012051104A1 (pt)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2256506B1 (de) * 2009-05-27 2019-07-03 Bender GmbH & Co. KG Verfahren und Vorrichtung zur Isolationsüberwachung von ungeerdeten Gleich- und Wechselspannungsnetzen
CA2742667A1 (en) * 2010-06-11 2011-12-11 Utilx Corporation Systems and methods employing time domain reflectometry
US20120265355A1 (en) 2011-04-15 2012-10-18 Power Tagging Technologies, Inc. System and method for single and multizonal optimization of utility services delivery and utilization
DK2629386T3 (en) 2012-02-16 2018-04-16 Ge Renewable Tech PROCEDURE TO AVOID VOLTAGE INSTABILITY IN A OFFSHORE WINDOW PARK PARK
FR2989235B1 (fr) * 2012-04-06 2014-03-14 Schneider Electric Ind Sas Systeme de controle d'isolement pour reseau electrique securise
US9696367B2 (en) 2012-05-11 2017-07-04 Howard University Apparatus and method of fault detection and location determination
US10097240B2 (en) 2013-02-19 2018-10-09 Astrolink International, Llc System and method for inferring schematic and topological properties of an electrical distribution grid
US20140324506A1 (en) * 2013-04-30 2014-10-30 General Electric Company Systems and methods for estimating reliability return on utility vegetation management
WO2014201410A1 (en) 2013-06-13 2014-12-18 Astrolink International Llc C/O Lockheed Martin Corporation Inferring feeder and phase powering a transmitter
CA2915066A1 (en) 2013-06-13 2014-12-18 Astrolink International Llc Non-technical losses in a power distribution grid
CN103529316B (zh) * 2013-08-15 2016-09-21 国家电网公司 一种电力系统高阻接地故障的综合检测方法
CN103439607B (zh) 2013-08-28 2016-11-23 三川电力设备股份有限公司 由故障录波辨识元件全参数的方法和系统及故障定位方法
US8990036B1 (en) 2013-09-16 2015-03-24 Schweitzer Engineering Laboratories, Inc. Power line parameter adjustment and fault location using traveling waves
US20150081236A1 (en) * 2013-09-16 2015-03-19 Schweitzer Engineering Laboratories, Inc. Traveling wave validation using estimated fault location
US9588168B2 (en) 2013-09-16 2017-03-07 Schweitzer Engineering Laboratories, Inc. Fault location using traveling waves
US9625512B2 (en) * 2014-01-08 2017-04-18 Caterpillar Inc. Detecting ground fault location
CN106796257A (zh) 2014-09-16 2017-05-31 施瓦哲工程实验有限公司 使用欠范围、方向和行波元件的电力输送系统中的故障检测
DE102014218764A1 (de) * 2014-09-18 2016-03-24 Siemens Aktiengesellschaft Stromübertragungssystem und Verfahren zum Betreiben eines Stromübertragungssystems
CN104393580B (zh) * 2014-11-05 2017-06-13 昆明理工大学 一种利用电压电流突变量小波系数相关分析的t接电网暂态量单元保护方法
CN104569552B (zh) * 2015-01-09 2018-02-06 南方电网科学研究院有限责任公司 特高压直流输电线路行波保护雷击动作边界值确定方法
US9800044B2 (en) * 2015-05-29 2017-10-24 Abb Schweiz Ag Fault location of DC distribution systems
US9863997B2 (en) 2015-06-19 2018-01-09 Honeywell International Inc. Devices, methods, and systems for localizing a fault on a live cable
CN104977488B (zh) * 2015-06-30 2018-01-12 昆明理工大学 一种基于差动电流梯度角近似熵的变压器励磁涌流识别方法
US10090664B2 (en) 2015-09-18 2018-10-02 Schweitzer Engineering Laboratories, Inc. Time-domain directional line protection of electric power delivery systems
WO2017049224A1 (en) * 2015-09-18 2017-03-23 Schweitzer Engineering Laboratories, Inc. Time-domain line protection of electric power delivery systems
WO2017066205A1 (en) 2015-10-12 2017-04-20 Schweitzer Engineering Laboratories, Inc. Traveling wave directional element
US10564247B2 (en) 2015-10-13 2020-02-18 Schweitzer Engineering Laboratories, Inc. Testing system for traveling wave fault detectors
EP3363087A4 (en) 2015-10-13 2019-06-26 Schweitzer Engineering Laboratories, Inc. TEST SYSTEM FOR PROGRESSIVE WAVE DEFECT DETECTORS
CN108139438B (zh) 2015-10-13 2021-03-12 施瓦哲工程实验有限公司 使用高频信号的电力系统监测
US10581237B2 (en) 2015-10-14 2020-03-03 Schweitzer Engineering Laboratories, Inc. High-frequency electric power system signal processing system
US11079422B2 (en) 2016-03-17 2021-08-03 Ariel Scientific Innovations Ltd. Fault location in a transmission line
CN117970025A (zh) 2016-04-14 2024-05-03 日立能源有限公司 用于电力传输系统的线路保护中的故障检测的方法、系统和设备
US10345358B2 (en) 2016-04-25 2019-07-09 Qatar University Smart fault detection device to anticipate impending faults in power transformers
DE102016209444A1 (de) * 2016-05-31 2017-11-30 Siemens Aktiengesellschaft Störlichtbogenerkennungseinheit
KR20170136225A (ko) 2016-06-01 2017-12-11 엘에스산전 주식회사 시뮬레이션 장치
US10522995B2 (en) 2016-06-13 2019-12-31 Schweitzer Engineering Laboratories, Inc. Overcurrent element in time domain
EP4236024A3 (en) * 2016-06-13 2023-10-04 Electrical Grid Monitoring Ltd. A method and system for dynamic fault detection in an electric grid
WO2017218558A1 (en) * 2016-06-14 2017-12-21 Schweitzer Engineering Laboratories, Inc. Phase selection for traveling wave fault detection systems
US10236675B2 (en) 2016-07-26 2019-03-19 Schweitzer Engineering Laboratories, Inc. Fault detection and protection during steady state using traveling waves
US10585133B2 (en) 2016-11-11 2020-03-10 Schweitzer Engineering Laboratories, Inc. Electric power fault protection device using single-ended traveling wave fault location estimation
US10295585B2 (en) 2016-11-11 2019-05-21 Schweitzer Engineering Laboratories, Inc. Traveling wave based single end fault location
US20210072303A1 (en) * 2017-06-16 2021-03-11 Florida Power & Light Company Power distribution fault location estimation using transient analysis
CN107329044B (zh) * 2017-06-30 2020-08-04 国网江苏省电力公司徐州供电公司 一种基于电弧暂态分量的配电网单相接地故障选线方法
CN107271851B (zh) * 2017-07-03 2019-02-26 西南交通大学 一种基于差动有功功率的广域后备保护方法
US10935609B2 (en) * 2017-09-12 2021-03-02 Abb Schweiz Ag Methods and systems for ground fault detection in a power distribution system
US10600037B2 (en) 2017-09-29 2020-03-24 International Business Machines Corporation Efficient scheduling of maintenance for power distribution systems
CN108037417B (zh) * 2017-12-18 2020-01-03 国网宁夏电力有限公司电力科学研究院 一种不接地系统故障快速检测方法
US11280834B2 (en) 2018-08-30 2022-03-22 Schweitzer Engineering Laboratories, Inc. Detection of low-energy events in an electric power system
US10677834B2 (en) * 2018-09-14 2020-06-09 Schweitzer Engineering Laboratories, Inc. Distance protection of electric power delivery systems using time domain and frequency domain
US10641815B2 (en) 2018-09-27 2020-05-05 Schweitzer Engineering Laboratories, Inc. Secure distance protection of electric power delivery systems under transient conditions
US11067617B2 (en) 2018-10-08 2021-07-20 Schweitzer Engineering Laboratories, Inc. Single-end traveling wave fault location using line-mounted device
CN109861187B (zh) * 2019-03-18 2020-12-04 湖南大学 一种直流配电网中的直流线路保护方法
US11474139B2 (en) * 2019-04-05 2022-10-18 Schweitzer Engineering Laboratories, Inc. Fault direction calculation during current transformer saturation
US11656263B2 (en) 2019-06-11 2023-05-23 Arizona Board Of Regents On Behalf Of Arizona State University Effective feature set-based high impedance fault detection
CN110443216B (zh) * 2019-08-13 2021-08-24 树根互联股份有限公司 一种生产设备的生产模式识别方法及装置
CN110763951B (zh) * 2019-09-18 2020-08-11 中国南方电网有限责任公司超高压输电公司检修试验中心 用于输电线路停电检测识别的最快变化检测模型构建方法
WO2021206911A1 (en) * 2020-04-10 2021-10-14 Regents Of The University Of Minnesota Controlling an inverter to emulate synchronous generator under fault conditions
EP3913382B1 (de) * 2020-05-19 2024-05-08 Siemens Aktiengesellschaft Verfahren und einrichtung zum ermitteln des fehlerortes eines dreipoligen unsymmetrischen fehlers auf einer leitung eines dreiphasigen elektrischen energieversorgungsnetzes
US12013427B2 (en) * 2020-06-15 2024-06-18 Arizona Board Of Regents On Behalf Of Arizona State University High impedance fault detection and location accuracy
AU2021299309A1 (en) * 2020-06-30 2023-02-09 Howard University Data generation method for regression models for circuit element value determination
US11592498B2 (en) 2020-10-02 2023-02-28 Schweitzer Engineering Laboratories, Inc. Multi-phase fault identification in capacitor banks
EP3993204B1 (en) * 2020-10-28 2023-09-27 Katholieke Universiteit Leuven Determining a fault location on a powerline
US11735907B2 (en) 2021-02-03 2023-08-22 Schweitzer Engineering Laboratories, Inc. Traveling wave overcurrent protection for electric power delivery systems
US11808824B2 (en) 2021-03-17 2023-11-07 Schweitzer Engineering Laboratories, Inc. Systems and methods to identify open phases of a capacitor bank
US12313701B2 (en) 2021-03-17 2025-05-27 Schweitzer Engineering Laboratories, Inc. Capacitor bank fault detection and identification
CN112948755B (zh) * 2021-04-01 2023-06-23 中国空空导弹研究院 一种遥测正弦参数判读方法
US11641107B2 (en) 2021-06-15 2023-05-02 Utilidata, Inc. Distance-to-fault power outage notification
CN113376551B (zh) * 2021-06-23 2022-11-08 北京市腾河智慧能源科技有限公司 串联故障电弧的检测方法及系统、设备、存储介质
CN114814576B (zh) * 2022-04-26 2025-06-17 东南大学 一种基于编码制的永磁同步电机故障诊断方法
CN115166424B (zh) * 2022-08-18 2025-05-16 上海大学 一种基于系统建模分析的电弧故障检测与定位方法
CN115586484A (zh) * 2022-09-22 2023-01-10 国网山东省电力公司日照供电公司 一种用于智能电表的串联型电弧故障检测方法
CN115480126B (zh) * 2022-09-23 2024-08-20 云南电网有限责任公司电力科学研究院 基于Fréchet算法的检测装置设置方法、系统、计算机设备及介质
US12130322B2 (en) 2022-12-02 2024-10-29 Schweitzer Engineering Laboratories, Inc. Traveling wave analysis and fault locating for electric power systems
CN115808597A (zh) * 2023-01-04 2023-03-17 国网冀北电力有限公司唐山供电公司 一种瞬时性单相接地故障检测定位方法
US11831143B1 (en) * 2023-01-17 2023-11-28 Legrand DPC, LLC Circuit breaker forensics for power distribution units
CN117590142B (zh) * 2024-01-19 2024-03-22 杭州万禾电力科技有限公司 基于深度学习的开关柜故障诊断方法及系统

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO116208B (pt) * 1966-09-13 1969-02-17 Jacobsens Elektriske Verksted
FR1527926A (fr) * 1967-03-28 1968-06-07 Comp Generale Electricite Dispositif de localisation de défaut de ligne électrique
JPS5830554B2 (ja) * 1978-11-13 1983-06-29 東京電力株式会社 送電線故障点探査・送電線保護用の故障点標定方式
DE3068046D1 (en) * 1979-09-27 1984-07-05 Gen Electric Co Plc Method and apparatus for identifying faults in electric power transmission systems
JPS6122266A (ja) * 1984-07-11 1986-01-30 Meidensha Electric Mfg Co Ltd 送電系の故障点標定方式
JPH02236176A (ja) * 1989-03-09 1990-09-19 Railway Technical Res Inst 高圧配電線路の故障点標定装置
US5659453A (en) * 1993-10-15 1997-08-19 Texas A&M University Arc burst pattern analysis fault detection system
GB2286088B (en) * 1994-01-26 1997-09-24 Gec Alsthom Ltd A method of locating the position of a fault on a power transmission line
WO1995024014A2 (en) * 1994-02-28 1995-09-08 Abb Power T & D Company Inc. One-terminal data fault location system
US5839093A (en) * 1996-12-31 1998-11-17 Abb Transmit Oy System for locating faults and estimating fault resistance in distribution networks with tapped loads
JPH11344514A (ja) * 1998-06-01 1999-12-14 Yokogawa Electric Corp 三相電力計
US6198401B1 (en) 1999-02-12 2001-03-06 Mcgraw Edison Company Detection of sub-cycle, self-clearing faults
US6828770B1 (en) * 1999-04-12 2004-12-07 Chk Wireless Technologies Australia Pty Ltd. Apparatus and method for electrical measurements on conductors
SE522376C2 (sv) * 2000-07-11 2004-02-03 Abb Ab Metod och anordning för fellokalisering för distributionsnätverk
US6987389B1 (en) * 2000-11-14 2006-01-17 Pass & Seymour, Inc. Upstream/downstream arc fault discriminator
JP3767528B2 (ja) * 2002-07-25 2006-04-19 株式会社日立製作所 地絡点標定方法および装置
US7508930B2 (en) 2004-01-20 2009-03-24 Adtran, Inc. Technique for independent ground fault detection of multiple twisted pair telephone lines connected to a common electrical power source
US7286963B2 (en) * 2005-12-30 2007-10-23 Abb Technology Ltd. Method and device for fault location on three terminal power line
SE530275C2 (sv) * 2006-02-10 2008-04-15 Abb Technology Ltd Metod och anordning för ett adaptivt distansskyddsrelä för krafttransmissionsledningar
EP1928007A1 (en) 2006-12-01 2008-06-04 ABB Technology Ltd A method and apparatus for predicting the future behavior of current paths
US8067942B2 (en) * 2007-09-28 2011-11-29 Florida State University Research Foundation Method for locating phase to ground faults in DC distribution systems
US7865321B2 (en) * 2007-10-01 2011-01-04 The Texas A&M University System Arcing event detection
EP2319151A4 (en) 2008-08-29 2013-12-25 Abb Research Ltd METHOD AND APPARATUS FOR FAILURE IDENTIFICATION IN AN ELECTRICAL TRANSMISSION LINE
CN101858948B (zh) * 2009-04-10 2015-01-28 阿海珐输配电英国有限公司 用于在三相中压配电系统中进行暂态和间歇性接地故障检测和方向确定的方法和系统
US8395391B2 (en) * 2009-08-19 2013-03-12 Astronics Advanced Electronic Systems Corp. Method and apparatus for locating a parallel arc fault

Also Published As

Publication number Publication date
EP2628252A4 (en) 2017-01-18
JP2013542433A (ja) 2013-11-21
CN103329451A (zh) 2013-09-25
US20120086459A1 (en) 2012-04-12
AU2011313840B2 (en) 2015-04-23
BR112013008949A8 (pt) 2017-12-05
CA2814661C (en) 2019-01-15
WO2012051104A1 (en) 2012-04-19
BR112013008949B8 (pt) 2023-12-12
ES2959091T3 (es) 2024-02-20
CA2814661A1 (en) 2012-04-19
AU2011313840A1 (en) 2013-05-02
US8941387B2 (en) 2015-01-27
EP2628252B1 (en) 2023-08-09
EP2628252A1 (en) 2013-08-21
BR112013008949B1 (pt) 2023-11-14
CN103329451B (zh) 2015-11-25

Similar Documents

Publication Publication Date Title
BR112013008949A2 (pt) "aparelho e método para detecção de falha e determinação de localização"
BR112013007672A2 (pt) aparelho de soldagem e método para soldagem
BR112012030924A2 (pt) método e sistema para monitoração e processamento não intrusivos de carga
BR112012025697A2 (pt) "dispositivo e método para conjunto estrutural"
BR112012032963A2 (pt) método e aparelho para detectar bloqueio de dispositivo de ventilação
BR112013016969A2 (pt) aparelho e método
GB2493891B (en) Method and apparatus for determining location using signals-of-opportunity
BR112013013920A2 (pt) sistema e método para medição de parâmetros ambientais distribuídos
PT3985979T (pt) Método e dispositivo para determinação de unidade de referência
BRPI1013625A2 (pt) sistema, e método para determinar saúde de equipamento
BR112012023716A2 (pt) aparelho e método para imagiologia ocular
BR112013007530A2 (pt) método, dispositivo e sistema para relatar resultados de medição adicionais
BR112014013291A2 (pt) detector de matéria fixada e método de detecção de matéria fixada
BR112012028015A2 (pt) aparelho e método
BRPI0921173A2 (pt) metodo e dispositivo para medicao de distancia
BR112012021514A2 (pt) sistemas e métodos para detecção de materiais nucleares
BR112013014285A2 (pt) método e parelho para fornecer monovisão em sistema de múltiplas visualizações
BRPI1014353A2 (pt) "método e dispositivo para detectar uma situação de aprisionamento"
BR112013002020A2 (pt) aparelho para distribuição de amostras, método para distribuição de indicadores de página e método para distribuição de amostras
BRPI0924215A2 (pt) método e sistema para execução de medição
BRPI0918588A2 (pt) método e aparelho para detecção de defeitos
EP2595550A4 (en) ELEMENT FOR REMOVING RISKS RELATED TO THE USE OF A GARROT
EP2585371A4 (en) METHOD AND SYSTEM FOR DETECTING PUSH-BUTTER ERRORS
BR112012020847A2 (pt) instrumento e método para detectar descarga elétricas parciais
EP2542872A4 (en) METHOD AND DEVICE FOR DETECTING LEAKAGE

Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: HOWARD UNIVERSITY (US) , SAN DIEGO GAS AND ELECTRI

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04B 3/46 , H04B 3/54

Ipc: G01R 31/08 (2020.01), G01R 27/32 (2006.01)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/10/2011, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.

B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: REFERENTE A RPI 2758 DE 14/11/2023, QUANTO AO ITEM (73) ENDERECO DO TITULAR.