TREA

David S. Majkrzak

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  • West Fargo, ND, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Windrower and method of windrowing a grown product
    • Patent number 8,033,340
    • Issue date Oct 11, 2011
    • Crary Industries, Inc.
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Log splittter
    • Patent number 8,006,725
    • Issue date Aug 30, 2011
    • Echo, Inc.
    • David S. Majkrzak
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Feed roller drive for wood chipper
    • Patent number 7,780,102
    • Issue date Aug 24, 2010
    • Crary Industries, Inc.
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Concentric axis snow blower attachment
    • Patent number 7,712,232
    • Issue date May 11, 2010
    • David S. Majkrzak
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Synchronous drive for split sickle bars on harvester header
    • Patent number 7,658,059
    • Issue date Feb 9, 2010
    • Crary Industries, Inc.
    • David Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Compact caster wheel system
    • Patent number 7,354,067
    • Issue date Apr 8, 2008
    • David S. Majkrzak
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Reel bat assembly
    • Patent number 6,397,573
    • Issue date Jun 4, 2002
    • Crary Company
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Feed control hydraulic circuit for wood chipper attachment
    • Patent number 6,293,479
    • Issue date Sep 25, 2001
    • Clark Equipment Company
    • Wally L. Kaczmarski
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Reel tine assembly
    • Patent number 6,199,358
    • Issue date Mar 13, 2001
    • Crary Company
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Extended height combine hopper leveling auger
    • Patent number 6,074,298
    • Issue date Jun 13, 2000
    • Crary Company
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Underwater weed roller
    • Patent number 5,359,835
    • Issue date Nov 1, 1994
    • Crary Company
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Debris shredder and rotor
    • Patent number 5,240,189
    • Issue date Aug 31, 1993
    • Crary Company
    • David S. Majkrzak
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Modular sickle bar sections
    • Patent number RE34225
    • Issue date Apr 20, 1993
    • Crary Company
    • David S. Majkrzak
    • 056 - Harvesters
  • Information Patent Grant

    Retractable drift cutter
    • Patent number 4,986,012
    • Issue date Jan 22, 1991
    • Crary Company
    • David S. Majkrzak
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Mechanical air reel
    • Patent number 4,936,082
    • Issue date Jun 26, 1990
    • Crary Company
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Modular sickle bar sections
    • Patent number 4,805,390
    • Issue date Feb 21, 1989
    • Crary Company
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Mower assembly
    • Patent number 4,651,511
    • Issue date Mar 24, 1987
    • Crary Company
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Wheel rim mounting device for variable wheel spacing
    • Patent number 4,290,654
    • Issue date Sep 22, 1981
    • Steiger Tractor, Inc.
    • David S. Majkrzak
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    WINDROWER AND METHOD OF WINDROWING A GROWN PRODUCT
    • Publication number 20110024139
    • Publication date Feb 3, 2011
    • ECHO, INC.
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Log splittter
    • Publication number 20100024919
    • Publication date Feb 4, 2010
    • David S. Majkrzak
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Synchronous drive for split sickle bars on harvester header
    • Publication number 20080295478
    • Publication date Dec 4, 2008
    • Crary Industries, Inc.
    • David Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Feed roller drive for wood chipper
    • Publication number 20080237377
    • Publication date Oct 2, 2008
    • Crary Industries, Inc.
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Compact caster wheel system
    • Publication number 20070063501
    • Publication date Mar 22, 2007
    • David S. Majkrzak
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Concentric axis snow blower attachment
    • Publication number 20070062076
    • Publication date Mar 22, 2007
    • David S. Majkrzak
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    High capacity sickle section
    • Publication number 20050166566
    • Publication date Aug 4, 2005
    • TerraMarc Industries, Inc.
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Reel bat and reel tine assembly
    • Publication number 20010009093
    • Publication date Jul 26, 2001
    • David S. Majkrzak
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING