TREA

STACKPOLE LIMITED

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  • Mississauga, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vane pump
    • Patent number 7,955,063
    • Issue date Jun 7, 2011
    • Stackpole Limited
    • Robert H. Mooy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    One-way clutch
    • Patent number 6,907,971
    • Issue date Jun 21, 2005
    • Stackpole Limited
    • Semih Demir
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compacted-powder opposed twin-helical gears and method
    • Patent number 6,440,357
    • Issue date Aug 27, 2002
    • Stackpole Limited
    • Gerd Hinzmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Lubricated die
    • Patent number 6,365,094
    • Issue date Apr 2, 2002
    • Stackpole Limited
    • Gerd Hinzmann
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Press and sinter process for high density components
    • Patent number 6,346,213
    • Issue date Feb 12, 2002
    • Stackpole Limited
    • Rohith Shivanath
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Undercut split die
    • Patent number 6,318,986
    • Issue date Nov 20, 2001
    • Stackpole Limited
    • Gerd Hinzmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    High density forming process with ferro alloy and prealloy
    • Patent number 6,193,927
    • Issue date Feb 27, 2001
    • Stackpole Limited
    • Peter Jones
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Compacted-powder opposed twin-helical gears and method
    • Patent number 6,165,400
    • Issue date Dec 26, 2000
    • Stackpole Limited
    • Ing Gerd Hinzmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    High density forming process with powder blends
    • Patent number 6,143,240
    • Issue date Nov 7, 2000
    • Stackpole Limited
    • Peter Jones
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method of making a component using a phased split die
    • Patent number 6,120,728
    • Issue date Sep 19, 2000
    • Stackpole Limited
    • Gerd Hinzmann
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Point contact densification
    • Patent number 6,110,419
    • Issue date Aug 29, 2000
    • Stackpole Limited
    • Keith Buckley-Golder
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Undercut split die
    • Patent number 6,099,772
    • Issue date Aug 8, 2000
    • Stackpole Limited
    • Gerd Hinzmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Press and sinter process for high density components
    • Patent number 6,019,937
    • Issue date Feb 1, 2000
    • Stackpole Limited
    • Rohith Shivanath
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    High carbon, high density forming
    • Patent number 5,997,805
    • Issue date Dec 7, 1999
    • Stackpole Limited
    • Roger Lawcock
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Sintered hi-density process with forming
    • Patent number 5,881,354
    • Issue date Mar 9, 1999
    • Stackpole Limited
    • Rohith Shivanath
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Powder metal alloy process
    • Patent number 5,834,640
    • Issue date Nov 10, 1998
    • Stackpole Limited
    • Rohith Shivanath
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Hi-density forming process
    • Patent number 5,754,937
    • Issue date May 19, 1998
    • Stackpole Limited
    • Peter Jones
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Gears
    • Patent number 5,729,822
    • Issue date Mar 17, 1998
    • Stackpole Limited
    • Rohith Shivanath
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Three stage self regulating gerotor pump
    • Patent number 5,722,815
    • Issue date Mar 3, 1998
    • Stackpole Limited
    • Eric R. Cozens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Phased split die
    • Patent number 5,698,149
    • Issue date Dec 16, 1997
    • Stackpole Limited
    • Gerd Hinzmann
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Hi-density sintered alloy
    • Patent number 5,656,787
    • Issue date Aug 12, 1997
    • Stackpole Limited
    • Rohith Shivanath
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Hi-density sintered alloy and spheroidization method for pre-alloye...
    • Patent number 5,641,922
    • Issue date Jun 24, 1997
    • Stackpole Limited
    • Rohith Shivanath
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Method of producing bearings
    • Patent number 5,540,883
    • Issue date Jul 30, 1996
    • Stackpole Limited
    • Peter Jones
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Hi-density sintered alloy
    • Patent number 5,516,483
    • Issue date May 14, 1996
    • Stackpole Limited
    • Rohith Shivanath
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Sintered coining process
    • Patent number 5,512,236
    • Issue date Apr 30, 1996
    • Stackpole Limited
    • Peter Jones
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Powder metal alloy process
    • Patent number 5,476,632
    • Issue date Dec 19, 1995
    • Stackpole Limited
    • Rohith Shivanath
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Spur gear with epi-cycloidal and hypo-cycloidal tooth shapes
    • Patent number 5,135,373
    • Issue date Aug 4, 1992
    • Stackpole Limited
    • Eric Cozens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pulse tuned optimized positive displacement porting
    • Patent number 5,096,398
    • Issue date Mar 17, 1992
    • Stackpole Limited
    • Eric Cozens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High speed labelling machine
    • Patent number 4,758,300
    • Issue date Jul 19, 1988
    • Stackpole Limited
    • George King
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Roll fed labelling machine
    • Patent number 4,544,431
    • Issue date Oct 1, 1985
    • Stackpole Limited
    • George W. King
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    78968166 - STACKPOLE
    • Serial number 78968166
    • Registration number 3344343
    • Filing date Sep 6, 2006
    • Stackpole Limited
    • 7 - Machines and machine tools
  • Information Trademark

    76490794 - SINTERDENS
    • Serial number 76490794
    • Filing date Feb 12, 2003
    • STACKPOLE LIMITED
    • 6 - Common metals and their alloys
  • Information Trademark

    75536599 - SELECTDENS
    • Serial number 75536599
    • Registration number 2460057
    • Filing date Aug 13, 1998
    • STACKPOLE LIMITED
    • 6 - Common metals and their alloys
  • Information Trademark

    75536598 - SINTERDENS
    • Serial number 75536598
    • Filing date Aug 13, 1998
    • STACKPOLE LIMITED
    • 6 - Common metals and their alloys
  • Information Trademark

    75081278 - PRESDENS
    • Serial number 75081278
    • Registration number 2550190
    • Filing date Apr 1, 1996
    • STACKPOLE LIMITED
    • 6 - Common metals and their alloys