Inventor

JANIK LEON P

US52 patents

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

STANADYNE AUTOMOTIVE CORP

34 patents

US5186829AFeb 16, 1993

Fuel filter key system

STANADYNE AUTOMOTIVE CORP136 citations99

US5035797AJul 30, 1991

Key system for filter assembly

STANADYNE AUTOMOTIVE CORP228 citations99

US6187188B1Feb 13, 2001

Filter cartridge retention system

STANADYNE AUTOMOTIVE CORP111 citations98

US6048455AApr 11, 2000

Filter assembly with conformal cartridge support structure

STANADYNE AUTOMOTIVE CORP127 citations98

US5837137ANov 17, 1998

Base/cartridge location and key system for fuel filter assembly

STANADYNE AUTOMOTIVE CORP116 citations98

US5766463AJun 16, 1998

Fuel filter cartridge

STANADYNE AUTOMOTIVE CORP119 citations98

US5084170AJan 28, 1992

Fuel filter

STANADYNE AUTOMOTIVE CORP120 citations98

US5525225AJun 11, 1996

Fuel filter with internal vent

STANADYNE AUTOMOTIVE CORP66 citations96

US5489384AFeb 6, 1996

Single stage fuel filter with seal control air purge

STANADYNE AUTOMOTIVE CORP55 citations96

US5484527AJan 16, 1996

Module for filter assembly base

STANADYNE AUTOMOTIVE CORP41 citations96

US5413711AMay 9, 1995

Fuel filter with internal vent

STANADYNE AUTOMOTIVE CORP69 citations96

US5203994AApr 20, 1993

Fuel filter retention system

STANADYNE AUTOMOTIVE CORP80 citations96

US5017285AMay 21, 1991

Fuel filter and cartridge assembly

STANADYNE AUTOMOTIVE CORP106 citations96

US4976852ADec 11, 1990

Fuel filter

STANADYNE AUTOMOTIVE CORP72 citations96

US5236579AAug 17, 1993

Fuel filter assembly with modular drain bowl

STANADYNE AUTOMOTIVE CORP78 citations95

US4938193AJul 3, 1990

Fuel injection nozzle

STANADYNE AUTOMOTIVE CORP88 citations94

USD435631SDec 26, 2000

Filter cartridge

STANADYNE AUTOMOTIVE CORP40 citations93

US6125822AOct 3, 2000

Two stage pressure relief valve

STANADYNE AUTOMOTIVE CORP37 citations93

US5938921AAug 17, 1999

Water baffle for filter cartridge

STANADYNE AUTOMOTIVE CORP40 citations93

US5868931AFeb 9, 1999

Primer system for filter assembly

STANADYNE AUTOMOTIVE CORP27 citations93

US5794598AAug 18, 1998

Fuel circuit and circulation method for fuel injection system

STANADYNE AUTOMOTIVE CORP38 citations93

US5578221ANov 26, 1996

Fuel filter with improved hand primer

STANADYNE AUTOMOTIVE CORP41 citations93

US5312546AMay 17, 1994

Dry change fuel filter system

STANADYNE AUTOMOTIVE CORP50 citations93

US4971528ANov 20, 1990

Lube oil pump with relief valve

STANADYNE AUTOMOTIVE CORP25 citations93

US5614091AMar 25, 1997

Fuel filter master module with optional diverter capability

STANADYNE AUTOMOTIVE CORP22 citations92

US5474676ADec 12, 1995

Filter base assembly

STANADYNE AUTOMOTIVE CORP31 citations91

US6019890AFeb 1, 2000

Fuel filter with hand primer

STANADYNE AUTOMOTIVE CORP33 citations90

US5985144ANov 16, 1999

Reverse flow cartridge

STANADYNE AUTOMOTIVE CORP28 citations90

US5887573AMar 30, 1999

Fuel filter with cold start circuit

STANADYNE AUTOMOTIVE CORP23 citations90

US4894900AJan 23, 1990

Tool for removing a fuel injection nozzle

STANADYNE AUTOMOTIVE CORP23 citations87

US5915926AJun 29, 1999

Lift pump for filter module

STANADYNE AUTOMOTIVE CORP18 citations84

USD356852SMar 28, 1995

Fuel filter cartridge

STANADYNE AUTOMOTIVE CORP16 citations74

US4876990AOct 31, 1989

Spray nozzle assembly for piston cooling

STANADYNE AUTOMOTIVE CORP9 citations74

US4862838ASep 5, 1989

Crankcase oil spray nozzle for piston cooling

STANADYNE AUTOMOTIVE CORP18 citations74

STANADYNE CORP

15 patents

USD484568SDec 30, 2003

Filter cartridge

STANADYNE CORP44 citations96

US6506302B2Jan 14, 2003

Key system for ecological filter cartridge and element

STANADYNE CORP70 citations96

US6500335B2Dec 31, 2002

Filter system base module with self-locking cartridge retainer

STANADYNE CORP73 citations96

US6881334B2Apr 19, 2005

Eccentric interference retention system for a filter cartridge

STANADYNE CORP36 citations93

US6863811B2Mar 8, 2005

Filter cartridge incorporating a peripheral compatibility matrix

STANADYNE CORP36 citations93

US6740234B1May 25, 2004

Key track system

STANADYNE CORP66 citations93

USD479300SSep 2, 2003

Filter cartridge

STANADYNE CORP17 citations93

US6471070B2Oct 29, 2002

Ecological fuel filter cartridge and element

STANADYNE CORP41 citations93

US6364121B1Apr 2, 2002

Filter cartridge with grommet spring

STANADYNE CORP18 citations93

US6911143B2Jun 28, 2005

Base receptacle for filter cartridge incorporating a peripheral compatibility matrix

STANADYNE CORP16 citations84

US7412896B2Aug 19, 2008

Filter change indicator

STANADYNE CORP11 citations83

US7137303B2Nov 21, 2006

Filter change indicator

STANADYNE CORP12 citations83

US6843911B2Jan 18, 2005

Base receptacle with fixed retainer for filter cartridge incorporating a peripheral compatibility matrix

STANADYNE CORP8 citations74

US6755308B2Jun 29, 2004

Filter cartridge with grommet spring

STANADYNE CORP9 citations74

US7360433B2Apr 22, 2008

Filter change indicator

STANADYNE CORP6 citations72

STANADYNE INC

1 patent

US4790055ADec 13, 1988

Method of assembling a fuel nozzle assembly

STANADYNE INC34 citations91

Showing the top 50 of 52 patents by PatentIndex Score.