Inventor
TOKAR JOSEPH C
US36 patents
⚠️ This page may combine multiple inventors who share the name “TOKAR JOSEPH C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DONALDSON CO INC
33 patentsUS6348085B1Feb 19, 2002
Filter arrangement and methods
DONALDSON CO INC323 citations99
US6235195B1May 22, 2001
Filter element incorporating a handle member
DONALDSON CO INC578 citations99
US6210469B1Apr 3, 2001
Air filter arrangement having first and second filter media dividing a housing and methods
DONALDSON CO INC459 citations99
USD428128SJul 11, 2000
Conical filter
DONALDSON CO INC207 citations99
US6048386AApr 11, 2000
Integrated resonator and filter apparatus
DONALDSON CO INC151 citations99
US5902364AMay 11, 1999
Conical filter
DONALDSON CO INC506 citations99
USD399944SOct 20, 1998
Conical filter
DONALDSON CO INC220 citations99
US5820646AOct 13, 1998
Inline filter apparatus
DONALDSON CO INC798 citations99
USD398046SSep 8, 1998
Combined filter element and frame therefor
DONALDSON CO INC312 citations99
US5792247AAug 11, 1998
Integrated resonator and filter apparatus
DONALDSON CO INC443 citations99
USD396098SJul 14, 1998
Conical filter
DONALDSON CO INC334 citations99
US5772883AJun 30, 1998
Slanted inline filter
DONALDSON CO INC465 citations99
US7329326B2Feb 12, 2008
Method of making a fluted filter media for air filter
DONALDSON CO INC138 citations98
US7252704B2Aug 7, 2007
Filter arrangement and methods
DONALDSON CO INC80 citations98
US6994744B2Feb 7, 2006
Filter arrangement and methods
DONALDSON CO INC83 citations98
US6960245B2Nov 1, 2005
Filter arrangement and methods
DONALDSON CO INC37 citations96
US6533845B2Mar 18, 2003
Filter arrangement and methods
DONALDSON CO INC68 citations96
US5935284AAug 10, 1999
Filter cartridge
DONALDSON CO INC36 citations96
US5415676AMay 16, 1995
Mist collector cartridge
DONALDSON CO INC67 citations96
US4946484AAug 7, 1990
Support for clean room ceiling grid system
DONALDSON CO INC68 citations96
US4647373AMar 3, 1987
Multi-layered filter apparatus
DONALDSON CO INC69 citations96
US4491460AJan 1, 1985
Air cleaner and deflecting intake tube
DONALDSON CO INC106 citations96
US4211543AJul 8, 1980
Air cleaner with replaceable filter element
DONALDSON CO INC177 citations96
US4157902AJun 12, 1979
Air cleaner system for over-highway trucks
DONALDSON CO INC93 citations96
US4243397AJan 6, 1981
Air cleaner with replaceable filter element
DONALDSON CO INC112 citations94
US5871557AFeb 16, 1999
Mist collector cartridge
DONALDSON CO INC66 citations93
US6009898AJan 4, 2000
Valve assembly for preventing liquid ingestion and methods
DONALDSON CO INC21 citations92
US5931988AAug 3, 1999
Cabinet filter assembly and methods
DONALDSON CO INC32 citations92
US5454858AOct 3, 1995
Process of using mist collector cartridge
DONALDSON CO INC30 citations92
US4883513ANov 28, 1989
Filter cap for clean room ceiling grid system
DONALDSON CO INC27 citations92
US4819549AApr 11, 1989
End seal for clean room ceiling supports
DONALDSON CO INC23 citations82
US6213146B1Apr 10, 2001
Valve assembly for preventing liquid ingestion and methods
DONALDSON CO INC6 citations73
US6209559B1Apr 3, 2001
Valve assembly for preventing liquid ingestion and methods
DONALDSON CO INC6 citations73