Inventor
MATTHYS BERNARD A
US19 patents
⚠️ This page may combine multiple inventors who share the name “MATTHYS BERNARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DONALDSON CO INC
15 patentsUS6048386AApr 11, 2000
Integrated resonator and filter apparatus
DONALDSON CO INC151 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
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
US5895574AApr 20, 1999
Rolled liquid filter using fluted media
DONALDSON CO INC449 citations98
US6752924B2Jun 22, 2004
Bowl-cartridge filter having interlock mechanism and methods
DONALDSON CO INC73 citations97
US4504293AMar 12, 1985
Self-cleaning air filter
DONALDSON CO INC98 citations96
USD470216SFeb 11, 2003
Filter element
DONALDSON CO INC52 citations95
US6009898AJan 4, 2000
Valve assembly for preventing liquid ingestion and methods
DONALDSON CO INC21 citations92
US6604486B1Aug 12, 2003
Restriction indicator
DONALDSON CO INC23 citations88
US4406651ASep 27, 1983
Multi-phase self purging centrifuge
DONALDSON CO INC27 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
US6976448B2Dec 20, 2005
Restriction indicator
DONALDSON CO INC4 citations58