P

Inventor

WAGNER WAYNE M

US87 patents
⚠️ This page may combine multiple inventors who share the name “WAGNER WAYNE M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DONALDSON CO INC

46 patents
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
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
US5895574AApr 20, 1999

Rolled liquid filter using fluted media

DONALDSON CO INC449 citations98
US4851015AJul 25, 1989

Muffler apparatus with filter trap and method of use

DONALDSON CO INC186 citations98
US5814219ASep 29, 1998

Pleated filter having a planar sheet of randomly arranged filaments to maintain pleat spacing

DONALDSON CO INC127 citations97
US5355973AOct 18, 1994

Muffler with catalytic converter arrangement; and method

DONALDSON CO INC97 citations97
US5342519AAug 30, 1994

Fluid filter cartridge with replaceable filter element

DONALDSON CO INC166 citations97
US6550573B2Apr 22, 2003

Muffler with catalytic converter arrangement, and method

DONALDSON CO INC47 citations96
US5828013AOct 27, 1998

Muffler with catalytic converter arrangement; and method

DONALDSON CO INC48 citations96
US5053062AOct 1, 1991

Ceramic foam prefilter for diesel exhaust filter system

DONALDSON CO INC79 citations96
US4899540AFeb 13, 1990

Muffler apparatus with filter trap and method of use

DONALDSON CO INC65 citations96
US7337607B2Mar 4, 2008

Method of dispensing fuel into transient flow of an exhaust system

DONALDSON CO INC66 citations95
US5426269AJun 20, 1995

Muffler with catalytic converter arrangement; and method

DONALDSON CO INC102 citations95
US4867768ASep 19, 1989

Muffler apparatus with filter trap and method of use

DONALDSON CO INC65 citations95
US4267899AMay 19, 1981

Muffler assembly

DONALDSON CO INC61 citations95
US4113289ASep 12, 1978

Exhaust system and muffler lap joint

DONALDSON CO INC55 citations95
US5293742AMar 15, 1994

Trap apparatus with tubular filter element

DONALDSON CO INC83 citations94
US5053603AOct 1, 1991

Electrical resistance heater

DONALDSON CO INC55 citations94
US6116659ASep 12, 2000

Band clamp for sealing lap joints and method thereof

DONALDSON CO INC23 citations93
US4580657AApr 8, 1986

Integral fluted tube for sound suppression and exhaust ejection

DONALDSON CO INC53 citations93
US4368799AJan 18, 1983

Straight-through flow muffler

DONALDSON CO INC47 citations93
US3944265AMar 16, 1976

Exhaust system connector seal

DONALDSON CO INC57 citations93
US6892854B2May 17, 2005

Muffler with catalytic converter arrangement; and method

DONALDSON CO INC25 citations92
US6508277B1Jan 21, 2003

Flexible pipe with compressed ends

DONALDSON CO INC21 citations92
US6305054B1Oct 23, 2001

Exhaust system clamp

DONALDSON CO INC37 citations92
US6234541B1May 22, 2001

U-bolt clamp for sealing lap joints

DONALDSON CO INC47 citations92
USD436028SJan 9, 2001

U-bolt clamp

DONALDSON CO INC25 citations92
US6148519ANov 21, 2000

Apparatus for installing a packing material in a muffler assembly; and methods thereof

DONALDSON CO INC20 citations92
US6009898AJan 4, 2000

Valve assembly for preventing liquid ingestion and methods

DONALDSON CO INC21 citations92
US5388400AFeb 14, 1995

Diesel engine exhaust regenerable filter system

DONALDSON CO INC47 citations92
US5373733ADec 20, 1994

Exhaust filter backpressure indicator

DONALDSON CO INC20 citations92
US5246472ASep 21, 1993

Apparatus for filtering engine exhaust

DONALDSON CO INC42 citations92
US5246205ASep 21, 1993

Valve assembly and use

DONALDSON CO INC51 citations92
US5224973AJul 6, 1993

Filter cartridge for trap apparatus

DONALDSON CO INC40 citations92
US5024054AJun 18, 1991

Engine exhaust system with sequential loading of multiple filters

DONALDSON CO INC51 citations92
US4986069AJan 22, 1991

Engine exhaust particle trap captured mass sensor

DONALDSON CO INC25 citations92
US5101095AMar 31, 1992

Diesel engine gas filter with electrical heater

DONALDSON CO INC43 citations91
US4632216ADec 30, 1986

Muffler apparatus and method for making same

DONALDSON CO INC44 citations91
US4558891ADec 17, 1985

Clamp for exhaust system

DONALDSON CO INC34 citations91

WAGNER WAYNE M

3 patents

GRIFFITHS ROBERT T

1 patent

Showing the top 50 of 87 patents by PatentIndex Score.