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David Walter Gregor

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  • Davenport, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Product sensors for air seeder
    • Patent number 6,320,183
    • Issue date Nov 20, 2001
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Distribution manifold for air seeder
    • Patent number 6,283,679
    • Issue date Sep 4, 2001
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Distribution manifold for air seeder
    • Patent number 6,213,690
    • Issue date Apr 10, 2001
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Axial retainer shaft for meter roller
    • Patent number 5,996,515
    • Issue date Dec 7, 1999
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Plenum damper and baffle plate arrangement for pneumatic distributi...
    • Patent number 5,979,343
    • Issue date Nov 9, 1999
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Distribution manifold for air seeder
    • Patent number 5,980,163
    • Issue date Nov 9, 1999
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Tank pressurization system for air seeder
    • Patent number 5,947,040
    • Issue date Sep 7, 1999
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Reconfigurable meter roller and blank section
    • Patent number 5,924,370
    • Issue date Jul 20, 1999
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Product disconnect for metering device
    • Patent number 5,878,679
    • Issue date Mar 9, 1999
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Wear insert for metering system
    • Patent number 5,855,303
    • Issue date Jan 5, 1999
    • Deere & Company
    • David Walter Gregor
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Removable meter cartridge for metering system
    • Patent number 5,845,818
    • Issue date Dec 8, 1998
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Brush for air seeder metering system
    • Patent number 5,826,523
    • Issue date Oct 27, 1998
    • Deere & Company
    • David Walter Gregor
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents