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David Frederick Hammerbacher

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  • Saginaw, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rattle noise reducing electric power steering column assembly and m...
    • Patent number 11,511,786
    • Issue date Nov 29, 2022
    • Steering Solutions IP Holding Corporation
    • David F. Hammerbacher
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Sliding vane pump
    • Patent number 6,497,557
    • Issue date Dec 24, 2002
    • Delphi Technologies, Inc.
    • David R. Aden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic system for motor vehicle
    • Patent number 5,802,848
    • Issue date Sep 8, 1998
    • General Motors Corporation
    • Kevin Mark McClendon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Tuner hose assembly for power steering system
    • Patent number 5,495,711
    • Issue date Mar 5, 1996
    • General Motors Corporation
    • Jesse Kalkman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    RATTLE NOISE REDUCING ELECTRIC POWER STEERING COLUMN ASSEMBLY AND M...
    • Publication number 20210061339
    • Publication date Mar 4, 2021
    • STEERING SOLUTIONS IP HOLDING CORPORATION
    • David F. Hammerbacher
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Sliding vane pump
    • Publication number 20020081210
    • Publication date Jun 27, 2002
    • David R. Aden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...