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Donald E. Martin

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  • Waukesha, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Conveyor roller and bearing assembly with external support
    • Patent number 4,681,215
    • Issue date Jul 21, 1987
    • Rexnord Inc.
    • Donald E. Martin
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Conveyor roller and bearing assembly
    • Patent number 4,664,243
    • Issue date May 12, 1987
    • Rexnord Inc.
    • Donald E. Martin
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Polymeric grease gun
    • Patent number 4,601,412
    • Issue date Jul 22, 1986
    • Rexnord Inc.
    • Donald E. Martin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Conveyor roller and bearing assembly
    • Patent number 4,577,747
    • Issue date Mar 25, 1986
    • Rexnord Inc.
    • Donald E. Martin
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Conveyor chain having carrier rollers
    • Patent number 4,418,817
    • Issue date Dec 6, 1983
    • Rexnord Inc.
    • Donald E. Martin
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Synthetic flanged carrier roller
    • Patent number 4,049,308
    • Issue date Sep 20, 1977
    • Rexnord Inc.
    • Donald E. Martin
    • B60 - VEHICLES IN GENERAL