Inventor
DUDREY DENIS J
US23 patents
⚠️ This page may combine multiple inventors who share the name “DUDREY DENIS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DONALDSON CO INC
21 patentsUS5800587ASep 1, 1998
Filtration arrangement and method
DONALDSON CO INC115 citations99
US5423892AJun 13, 1995
Filtration arrangement
DONALDSON CO INC119 citations99
US5364456ANov 15, 1994
Filtration arrangement and method
DONALDSON CO INC140 citations99
US5238474AAug 24, 1993
Filtration arrangement
DONALDSON CO INC301 citations99
US5082476AJan 21, 1992
Filtration arrangement and method
DONALDSON CO INC357 citations99
US6872431B2Mar 29, 2005
Filter material construction and method
DONALDSON CO INC106 citations98
US6521321B2Feb 18, 2003
Filter material construction and method
DONALDSON CO INC118 citations98
US6171684B1Jan 9, 2001
Filter material construction and method
DONALDSON CO INC307 citations98
US5672399ASep 30, 1997
Filter material construction and method
DONALDSON CO INC486 citations98
US6165572ADec 26, 2000
Filter material construction and method
DONALDSON CO INC104 citations97
US5622537AApr 22, 1997
Filtration arrangement
DONALDSON CO INC70 citations97
US6019809AFeb 1, 2000
Filtration arrangement
DONALDSON CO INC43 citations96
US5792227AAug 11, 1998
Filtration arrangement
DONALDSON CO INC47 citations96
US5762669AJun 9, 1998
Filtration arrangement
DONALDSON CO INC33 citations96
US5972063AOct 26, 1999
Air filtration arrangement and method
DONALDSON CO INC83 citations95
US5797973AAug 25, 1998
Air filtration arrangement and method
DONALDSON CO INC64 citations95
US5669949ASep 23, 1997
Air filtration arrangement
DONALDSON CO INC85 citations95
US5762670AJun 9, 1998
Filtration arrangement
DONALDSON CO INC19 citations92
US4366069ADec 28, 1982
Coolant recovery system
DONALDSON CO INC36 citations89
US4406651ASep 27, 1983
Multi-phase self purging centrifuge
DONALDSON CO INC27 citations82
US4350282ASep 21, 1982
Self-purging centrifuge
DONALDSON CO INC15 citations74