TREA

Leon P. Janik Jr.

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  • Hazardville, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid visual display
    • Patent number 7,442,292
    • Issue date Oct 28, 2008
    • Stanadyne Corporation
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter change indicator
    • Patent number 7,412,896
    • Issue date Aug 19, 2008
    • Stanadyne Corporation
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter change indicator
    • Patent number 7,360,433
    • Issue date Apr 22, 2008
    • Stanadyne Corporation
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter change indicator
    • Patent number 7,137,303
    • Issue date Nov 21, 2006
    • Stanadyne Corporation
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Base receptacle for filter cartridge incorporating a peripheral com...
    • Patent number 6,911,143
    • Issue date Jun 28, 2005
    • Stanadyne Corporation
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Eccentric interference retention system for a filter cartridge
    • Patent number 6,881,334
    • Issue date Apr 19, 2005
    • Stanadyne Corporation
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter cartridge incorporating a peripheral compatibility matrix
    • Patent number 6,863,811
    • Issue date Mar 8, 2005
    • Stanadyne Corporation
    • Leon P. Janik
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Base receptacle with fixed retainer for filter cartridge incorporat...
    • Patent number 6,843,911
    • Issue date Jan 18, 2005
    • Stanadyne Corporation
    • Leon P. Janik
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Filter cartridge with grommet spring
    • Patent number 6,755,308
    • Issue date Jun 29, 2004
    • Stanadyne Corporation
    • Leon P. Janik
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Key track system
    • Patent number 6,740,234
    • Issue date May 25, 2004
    • Stanadyne Corporation
    • Michael J. Williams
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter cartridge
    • Patent number D484568
    • Issue date Dec 30, 2003
    • Stanadyne Corporation
    • Leon P. Janik
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter cartridge
    • Patent number D479300
    • Issue date Sep 2, 2003
    • Stanadyne Corporation
    • Leon P. Janik
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Key system for ecological filter cartridge and element
    • Patent number 6,506,302
    • Issue date Jan 14, 2003
    • Stanadyne Corporation
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter system base module with self-locking cartridge retainer
    • Patent number 6,500,335
    • Issue date Dec 31, 2002
    • Stanadyne Corporation
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Ecological fuel filter cartridge and element
    • Patent number 6,471,070
    • Issue date Oct 29, 2002
    • Stanadyne Corporation
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter cartridge with grommet spring
    • Patent number 6,364,121
    • Issue date Apr 2, 2002
    • Stanadyne Corporation
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter cartridge retention system
    • Patent number 6,187,188
    • Issue date Feb 13, 2001
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter cartridge
    • Patent number D435631
    • Issue date Dec 26, 2000
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Two stage pressure relief valve
    • Patent number 6,125,822
    • Issue date Oct 3, 2000
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter assembly with conformal cartridge support structure
    • Patent number 6,048,455
    • Issue date Apr 11, 2000
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel filter with hand primer
    • Patent number 6,019,890
    • Issue date Feb 1, 2000
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reverse flow cartridge
    • Patent number 5,985,144
    • Issue date Nov 16, 1999
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Water baffle for filter cartridge
    • Patent number 5,938,921
    • Issue date Aug 17, 1999
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Lift pump for filter module
    • Patent number 5,915,926
    • Issue date Jun 29, 1999
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel filter with cold start circuit
    • Patent number 5,887,573
    • Issue date Mar 30, 1999
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Primer system for filter assembly
    • Patent number 5,868,931
    • Issue date Feb 9, 1999
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Base/cartridge location and key system for fuel filter assembly
    • Patent number 5,837,137
    • Issue date Nov 17, 1998
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel circuit and circulation method for fuel injection system
    • Patent number 5,794,598
    • Issue date Aug 18, 1998
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel filter cartridge
    • Patent number 5,766,463
    • Issue date Jun 16, 1998
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel filter master module with optional diverter capability
    • Patent number 5,614,091
    • Issue date Mar 25, 1997
    • Stanadyne Automotive Corp.
    • Leon P. Janik
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents