US4314832A
(en)
|
1980-07-24 |
1982-02-09 |
Donaldson Company, Inc. |
Air cleaner with cartridge suspension
|
US4350509A
(en)
|
1981-07-24 |
1982-09-21 |
Donaldson Company, Inc. |
Disposable air cleaner
|
US4488889A
(en)
|
1983-03-07 |
1984-12-18 |
Mccarroll Glenn G |
Air cleaner tank
|
US4890444A
(en)
|
1986-02-13 |
1990-01-02 |
H. B. Fuller Company |
Bonded fluted filter media to end cap
|
US5211846A
(en)
|
1990-07-30 |
1993-05-18 |
Pleatco Electronic & Filter Corp. |
Replacement filter cartridge assembly
|
US5112372A
(en)
|
1991-10-22 |
1992-05-12 |
Donaldson Company, Inc. |
Advanced disposable air cleaner
|
US5800581A
(en)
|
1997-04-07 |
1998-09-01 |
Air-Maze Corporation |
Air cleaner having filter element integrally formed with housing end cap
|
USD401306S
(en)
|
1997-09-12 |
1998-11-17 |
Donaldson Company, Inc. |
Filter element
|
USD407475S
(en)
|
1997-09-12 |
1999-03-30 |
Donaldson Company, Inc. |
Body member for a housing for an air cleaner
|
US6280493B1
(en)
|
1999-03-19 |
2001-08-28 |
Dreison International, Inc. |
Air pre-cleaner
|
US6319304B1
(en)
|
1998-08-10 |
2001-11-20 |
Sy-Klone Company, Inc. |
Powered low restriction air precleaner device and method for providing a clean air flow to an apparatus such as a combustion engine air intake, engine cooling system, ventilation system and cab air intake system
|
USD438214S1
(en)
*
|
1999-03-17 |
2001-02-27 |
Donaldson Company, Inc. |
Filter element
|
US6348086B1
(en)
*
|
2000-02-16 |
2002-02-19 |
3M Innovative Properties Company |
Combination blower wheel and filter cartridge system for HVAC applications
|
USD467654S1
(en)
|
2000-10-13 |
2002-12-24 |
Donaldson Company, Inc. |
Air filter element having attached cover member
|
USD471623S1
(en)
*
|
2000-12-04 |
2003-03-11 |
Donaldson Company, Inc. |
Safety filter element for engine air cleaner
|
US6569219B1
(en)
|
2001-05-11 |
2003-05-27 |
Nelson Industries, Inc. |
Air filter with serviceable filter media
|
BR0213332B1
(en)
|
2001-10-18 |
2011-06-28 |
|
energized air cleaning system and process.
|
US7452409B2
(en)
|
2001-10-18 |
2008-11-18 |
Sy-Klone Company, Inc. |
Powered air cleaning system and air cleaning method
|
US7004987B2
(en)
|
2002-03-28 |
2006-02-28 |
Case Corporation |
Intake air pre-cleaner with aspirator port chamber for collecting and holding particles for later aspiration
|
EP1558360B1
(en)
|
2002-10-28 |
2007-09-05 |
Donaldson Company, Inc. |
Air cleaner; replaceable filter cartridges; and, methods
|
US7537631B2
(en)
|
2002-10-28 |
2009-05-26 |
Donaldson Company, Inc. |
Filter cartridges; air cleaners; and methods
|
USD481101S1
(en)
|
2002-11-07 |
2003-10-21 |
Donaldson Company, Inc. |
Filter element
|
US8529324B2
(en)
|
2003-04-17 |
2013-09-10 |
The Sy-Klone Company |
Powered air cleaning system and method of making same
|
US6958083B1
(en)
|
2004-01-15 |
2005-10-25 |
Fleetguard, Inc. |
Air cleaner with reduced restriction precleaner
|
WO2006026241A1
(en)
|
2004-08-25 |
2006-03-09 |
Donaldson Company, Inc. |
Air cleaner; replaceable filter cartridges; and, methods
|
US7815705B2
(en)
*
|
2005-10-19 |
2010-10-19 |
Baldwin Filters, Inc. |
Air filter with composite end cap
|
WO2008124437A2
(en)
|
2007-04-03 |
2008-10-16 |
Donaldson Company, Inc. |
Air cleaner; air filter cartridge and method of manufacturing
|
US8292984B2
(en)
|
2007-07-20 |
2012-10-23 |
Donaldson Company, Inc. |
Air cleaner arrangments with end support for cartridge; components; and, methods
|
USD632770S1
(en)
|
2008-06-13 |
2011-02-15 |
Kohler Co. |
Cyclonic air cleaner housing
|
US8828123B2
(en)
|
2010-09-10 |
2014-09-09 |
Cummins Filtration Ip Inc. |
Air cleaner with endcap cover
|
US8657928B2
(en)
|
2011-07-29 |
2014-02-25 |
The Sy-Klone Company |
Versatile compact air precleaner, air cleaning method and disposable air filter cartridge for air precleaner
|
USD691252S1
(en)
|
2011-09-14 |
2013-10-08 |
The Sy-Klone Company |
Filter cartridge for air cleaner
|
USD694871S1
(en)
*
|
2013-02-12 |
2013-12-03 |
General Electric Company |
Screen
|
US9283506B2
(en)
*
|
2013-03-15 |
2016-03-15 |
K&N Engineering, Inc. |
Air filter
|
USD737945S1
(en)
*
|
2013-03-15 |
2015-09-01 |
Illinois Tool Works Inc. |
Filter
|
USD717420S1
(en)
*
|
2013-12-30 |
2014-11-11 |
Baldwin Filters, Inc. |
Air filter element with lid
|