US604197A
(en)
|
|
1898-05-17 |
|
Safety attachment for gas-cocks |
US484759A
(en)
|
|
1892-10-18 |
|
Clarence m |
US822484A
(en)
|
|
1906-06-05 |
Jacob Schmitt |
Gas-cock.
|
US385134A
(en)
|
|
1888-06-26 |
|
John pbentice |
US112693A
(en)
|
|
1871-03-14 |
|
Improvement in locking stop-cocks |
US548370A
(en)
|
|
1895-10-22 |
|
Attachment for gas-cocks |
US492313A
(en)
|
|
1893-02-21 |
|
Valve-lock |
US753349A
(en)
|
|
1904-03-01 |
|
Lock-faucet |
US475530A
(en)
|
|
1892-05-24 |
|
Stop-cock or analogous valve |
US592183A
(en)
|
|
1897-10-19 |
|
Self-locking gas-fixture |
US752818A
(en)
|
|
1904-02-23 |
|
Gas-valve lock |
US743134A
(en)
|
1902-11-21 |
1903-11-03 |
William Henry Baker |
Double-acting combination-lock valve for barrels, &c.
|
US757652A
(en)
|
1903-07-30 |
1904-04-19 |
Bertram F Edwards |
Safety attachment for gas-cocks.
|
US832106A
(en)
|
1905-05-10 |
1906-10-02 |
Water Over Flow Preventive Co |
Valve-locking mechanism.
|
US878368A
(en)
|
1907-04-17 |
1908-02-04 |
William C Feighan |
Self-locking attachment for angle-cocks.
|
US902917A
(en)
|
1908-03-04 |
1908-11-03 |
Herman J Schoen |
Safety attachment for gas-burners.
|
US915005A
(en)
|
1908-03-10 |
1909-03-09 |
Charles H Wiley |
Gas-cock.
|
US907479A
(en)
|
1908-04-03 |
1908-12-22 |
Max Ebert |
Locking device for cocks with exchangeable lock.
|
US923090A
(en)
|
1908-11-11 |
1909-05-25 |
Anti Water Overflow Co |
Valve-lock.
|
US939108A
(en)
|
1909-02-11 |
1909-11-02 |
Thomas M Swank |
Lock-valve.
|
US988378A
(en)
|
1910-05-02 |
1911-04-04 |
Julius P Hartwig |
Safety-lock for gas-burners.
|
US1015094A
(en)
|
1911-04-11 |
1912-01-16 |
Carl Stift |
Lock-cock.
|
US1033314A
(en)
|
1911-08-23 |
1912-07-23 |
Edward F Hall |
Gas-cock attachment.
|
US1057609A
(en)
|
1912-05-18 |
1913-04-01 |
Thomas H Young |
Protective lock for gas-pipes.
|
US1150305A
(en)
|
1913-12-23 |
1915-08-17 |
Richard C Jenkinson |
Gasolene-valve lock.
|
US1111618A
(en)
|
1914-05-04 |
1914-09-22 |
Ernst A C Schoof |
Lockable cock for gas-meters.
|
US1151304A
(en)
|
1915-05-14 |
1915-08-24 |
Mike J Svoboda |
Safety-lock for gas-valves.
|
US1245770A
(en)
|
1917-01-23 |
1917-11-06 |
William J Rideout |
Valve-lock.
|
US1240734A
(en)
|
1917-03-19 |
1917-09-18 |
Adolph G Koeppe |
Lock-valve.
|
US1348364A
(en)
|
1919-04-14 |
1920-08-03 |
John F Koebel |
Valve-lock for automobiles and the like
|
US1412720A
(en)
|
1921-05-12 |
1922-04-11 |
Szafranski Casey |
Valve lock
|
US1473775A
(en)
|
1921-10-13 |
1923-11-13 |
Jr Edward W Leech |
Safety lock for stopcocks
|
US1605351A
(en)
|
1922-02-06 |
1926-11-02 |
King Andrew |
Locking means for gas or other stopcocks
|
US1499663A
(en)
|
1922-05-31 |
1924-07-01 |
William O Kaiser |
Lock for valves
|
US1498953A
(en)
|
1923-02-17 |
1924-06-24 |
Cleveland Brass Mfg Company |
Faucet
|
US1589316A
(en)
|
1923-04-24 |
1926-06-15 |
William O Kaiser |
Lock for valves
|
US1796900A
(en)
|
1923-11-12 |
1931-03-17 |
Diamond Power Speciality |
Boiler cleaner
|
US1628150A
(en)
|
1923-12-31 |
1927-05-10 |
Willys Overland Co |
Fuel-reserve-supply system for motor vehicles
|
US1590032A
(en)
|
1924-08-26 |
1926-06-22 |
Frederic W Jauch |
Locking device for gas-service cocks and the like
|
US1556567A
(en)
|
1925-02-28 |
1925-10-06 |
Harry M Rodman |
Safety attachment for gas cocks
|
US1561059A
(en)
|
1925-05-06 |
1925-11-10 |
Danko Golfred |
Valve lock
|
US1574791A
(en)
|
1925-05-06 |
1926-03-02 |
George W Clark |
Antislipping attachment for vehicle wheels
|
US1554086A
(en)
|
1925-05-22 |
1925-09-15 |
Joseph A Haller |
Safety attachment for gas burners
|
US1590074A
(en)
|
1925-10-28 |
1926-06-22 |
Booker William Edw |
Gas cock
|
US1618307A
(en)
|
1926-01-22 |
1927-02-22 |
Pieczonka Rudolph |
Safety device for gas valves
|
US1601620A
(en)
|
1926-05-26 |
1926-09-28 |
Joseph A Haller |
Safety attachment for valve structures
|
US1749491A
(en)
*
|
1927-03-26 |
1930-03-04 |
Kokay Stephen |
Clamp
|
US1692188A
(en)
|
1927-06-20 |
1928-11-20 |
Roose Cyriel |
Gas-cock safety device
|
US1694086A
(en)
|
1927-09-10 |
1928-12-04 |
Waselak Joseph |
Valve lock
|
US1867922A
(en)
*
|
1929-03-19 |
1932-07-19 |
Christian B Nelson |
Gauge
|
US1877529A
(en)
|
1930-03-14 |
1932-09-13 |
John W Platt |
Gas valve locking attachment
|
US1923025A
(en)
|
1931-06-13 |
1933-08-15 |
Ernest L Chase |
Portable lock
|
US1879482A
(en)
|
1931-08-12 |
1932-09-27 |
Harry L Quintenz |
Valve lock
|
US1894660A
(en)
|
1932-02-11 |
1933-01-17 |
American Car & Foundry Co |
Valve lock
|
US2271475A
(en)
|
1940-06-26 |
1942-01-27 |
American Car & Foundry Co |
Valve lock and wrench
|
US2323654A
(en)
*
|
1940-12-26 |
1943-07-06 |
Albert M Rex |
Clamping tool
|
US2350354A
(en)
|
1942-03-23 |
1944-06-06 |
Herskovits Benjamin |
Control lever or wrench for gas meter inlet cocks
|
US2399578A
(en)
|
1943-11-27 |
1946-04-30 |
Michael J Smith |
Lock valve
|
US2699916A
(en)
|
1949-03-11 |
1955-01-18 |
Rockwell Mfg Co |
Closed bottom service cock
|
US2746478A
(en)
|
1949-03-11 |
1956-05-22 |
Rockwell Mfg Co |
Plug valves
|
US2648517A
(en)
|
1949-12-09 |
1953-08-11 |
Berland Morton |
Valve
|
US2724295A
(en)
*
|
1952-10-30 |
1955-11-22 |
Float Lock Corp |
Quick change vise having jaw supportable on flat surface of a machine tool and a spindle adjustable and lockable in plane parallel to said surface
|
US3156256A
(en)
|
1962-07-16 |
1964-11-10 |
Donald F Weaver |
Valve locking means
|
US3186196A
(en)
|
1963-08-07 |
1965-06-01 |
Brooks Co E J |
Plunger-type lock
|
US3333812A
(en)
|
1963-12-06 |
1967-08-01 |
Mueller Co |
Rotary tapered plug valve and method of assembly
|
US3401715A
(en)
|
1967-08-03 |
1968-09-17 |
Smith Valve Corp |
Tamper-proof lock for valves
|
US3599960A
(en)
*
|
1969-06-12 |
1971-08-17 |
John R Phillips |
Screw clamp
|
US3866446A
(en)
|
1972-10-26 |
1975-02-18 |
Willem Corp |
Locking handle cock
|
US3865130A
(en)
|
1973-12-26 |
1975-02-11 |
Cons Brass Co |
Lock valve
|
US3976095A
(en)
|
1975-06-09 |
1976-08-24 |
Whitey Research Tool Co. |
Operating member locking device
|
US3960168A
(en)
|
1975-09-04 |
1976-06-01 |
Acf Industries, Incorporated |
Valve locking device
|
US4126023A
(en)
|
1977-04-14 |
1978-11-21 |
Watts Regulator Co. |
Tamperproof locking and latching mechanism for rotatable controls
|
US4162690A
(en)
|
1977-11-18 |
1979-07-31 |
Jamesbury Corp. |
Valve locking device
|
US4483366A
(en)
|
1980-07-31 |
1984-11-20 |
Leonard Labita |
Locking valve
|
US4458510A
(en)
|
1980-12-15 |
1984-07-10 |
Omco Inc. |
Locking device for a winged gas stop
|
US4498320A
(en)
|
1981-09-02 |
1985-02-12 |
Conbraco Industries, Inc. |
Apparatus for locking a control device
|
US4534379A
(en)
|
1984-04-05 |
1985-08-13 |
Parker-Hannifin Corporation |
Locking frame for valves
|
US4781044A
(en)
|
1987-01-29 |
1988-11-01 |
Ortega Dale R |
Security lock for valves
|
US4872327A
(en)
|
1987-12-16 |
1989-10-10 |
Thomas Wagner |
Locking device for a valve
|
US4843846A
(en)
|
1987-12-16 |
1989-07-04 |
Thomas Wagner |
Locking device for a valve
|
IT1217337B
(it)
|
1988-02-03 |
1990-03-22 |
Pettinaroli Spa |
Valvola a sfera con dispositivo di bloccaggio della maniglia
|
US5003767A
(en)
|
1988-03-25 |
1991-04-02 |
Sundstrand Corporation |
Gas turbine starter system with power augmentation
|
US4926900A
(en)
|
1989-05-16 |
1990-05-22 |
Niagara Mohawk Power Corporation |
Valve assembly and locking means therefor
|
US4971289A
(en)
|
1989-11-29 |
1990-11-20 |
Niagara Mohawk Power Corporation |
Valve assembly and locking means therefor
|
US5058622A
(en)
|
1990-01-12 |
1991-10-22 |
Stockham Valves & Fittings, Inc. |
Valve lock assembly
|
US5052655A
(en)
|
1990-07-18 |
1991-10-01 |
Watts Regulator Company |
Ball valve lock plate
|
US5003797A
(en)
|
1990-07-25 |
1991-04-02 |
W. H. Brady Co. |
Lockout device for valves with lever handles
|
US5014528A
(en)
|
1990-08-27 |
1991-05-14 |
Milwaukee Valve Company, Inc. |
Tamper-proof locking mechanism for quarter turn valves
|
US5143114A
(en)
|
1991-02-25 |
1992-09-01 |
Gte Valenite Corporation |
Ball valve lockout mechanism
|
JP2567636Y2
(ja)
*
|
1991-08-23 |
1998-04-02 |
義春 小池 |
車止め装置
|
US5115834A
(en)
|
1991-10-08 |
1992-05-26 |
Neles-Jamesbury, Inc. |
Valve-locking device
|
US5165263A
(en)
*
|
1992-01-17 |
1992-11-24 |
Claude Perron |
Valve lock
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US5139041A
(en)
|
1992-01-27 |
1992-08-18 |
Albrecht David E |
Stop and lock plate for use with valve
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US5183073A
(en)
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1992-04-02 |
1993-02-02 |
Milwaukee Valve Company, Inc |
Handle locking mechanism for quarter turn valves
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US5188335A
(en)
|
1992-06-02 |
1993-02-23 |
Fratelli Pettinaroli S.P.A. |
Ball valve with lockable security device
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US5213308A
(en)
*
|
1992-06-12 |
1993-05-25 |
Whitey Company |
Valve with handle latch/lock
|
US5360036A
(en)
|
1992-08-24 |
1994-11-01 |
Nibco, Inc. |
Vented ball valve with lock-out ring
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US5365759A
(en)
|
1993-02-22 |
1994-11-22 |
Rubinetierie Utensilerie Bonomi S.R.L. |
Locking device in the closing or opening position of a valve
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US5300740A
(en)
*
|
1993-04-27 |
1994-04-05 |
Benda Steven J |
Circuit breaker lock out - multi-pole
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US5305622A
(en)
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1993-07-12 |
1994-04-26 |
Carlos Flores |
Apparatus and method for locking valves on oil tanks, tank trailers and the like
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US5368066A
(en)
|
1993-10-06 |
1994-11-29 |
Balon Corporation |
Valve with safety lock plate
|
US5323805A
(en)
|
1993-10-06 |
1994-06-28 |
Balon Corporation |
Valve with safety lock-out
|
US5375916A
(en)
|
1993-10-25 |
1994-12-27 |
Cook; Bradley W. |
Truck air brake locking device
|
US5415017A
(en)
|
1994-08-01 |
1995-05-16 |
Brady Usa, Inc. |
Locking device for a lever operated valve
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US5411048A
(en)
|
1994-09-19 |
1995-05-02 |
Parker & Harper Companies, Inc. |
Fluid control valve with latching handle assembly
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FR2737263B1
(fr)
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1995-07-25 |
1997-10-17 |
Lefevere Marc |
Dispositif automatique de guidage indexe d'une piece mobile articulee autour d'un axe sur une piece consideree fixe autour de cet axe
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US5579804A
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1995-10-10 |
1996-12-03 |
Milwaukee Valve Company, Inc. |
Tamper-proof handle extension for quarter turn valves
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US5598724A
(en)
|
1995-12-26 |
1997-02-04 |
Primeau; Mario |
Butterfly valve safety lock
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US5709112A
(en)
|
1995-12-28 |
1998-01-20 |
Kennedy; Steven |
Tamperproof locking and latching mechanism for rotatable controls
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US5799687A
(en)
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1996-09-27 |
1998-09-01 |
A. Y. Mcdonald Mfg. Co. |
Security valve assembly
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US5785074A
(en)
|
1997-01-02 |
1998-07-28 |
Nibco, Inc. |
Vented ball valve with lock-out ring
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US5806555A
(en)
|
1997-01-31 |
1998-09-15 |
Spears Manfacturing Co. |
Locking device for valves
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US5797285A
(en)
|
1997-04-07 |
1998-08-25 |
Sackowitz; Ronald Allan |
Device for locking rotatable shafts having stop plates
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GB9718701D0
(en)
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1997-09-03 |
1997-11-12 |
Pegler Limited |
Valve handle lock
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1999-04-14 |
2000-11-21 |
Pbm, Inc. |
Valve lock apparatus and lockable valve
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CA2344527A1
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2000-05-02 |
2001-11-02 |
Frederick Le Page |
Assembly security lock for shut-off valve
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US6718804B1
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2000-05-12 |
2004-04-13 |
Innovative Fluid Technology, Llc |
Valve lockout device
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US6568422B2
(en)
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2000-12-14 |
2003-05-27 |
Leopold J. Niessen |
Valve locking mechanism and method
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US6622536B1
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2002-03-01 |
2003-09-23 |
Prinzing Enterprises, Inc. |
Ball valve lockout
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US7152621B1
(en)
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2003-09-19 |
2006-12-26 |
R.W. Lyall & Company, Inc. |
Integrated gas meters bar device and locking shut-off valve
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US6832623B2
(en)
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2002-09-06 |
2004-12-21 |
Basic Resources, Inc. |
Gas meter valve and method
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US7044148B2
(en)
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2003-02-28 |
2006-05-16 |
Sabber Design & Manufacturing |
Apparatus and method for selectively securing a valve in an open or closed position
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CA2484878A1
(en)
|
2003-10-17 |
2005-04-17 |
Roger Espinoza |
Quarter turn valve locking device
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US6959909B2
(en)
|
2004-01-26 |
2005-11-01 |
Victaulic Company Of America |
Actuating handle assembly
|
US7377135B2
(en)
*
|
2005-06-06 |
2008-05-27 |
Copus Gary D |
Multipurpose portable lock
|