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Karl O. Niedermeyer

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  • Bensenville, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable differential adjustor
    • Patent number 7,084,363
    • Issue date Aug 1, 2006
    • Trusty Warns, Inc.
    • Karl Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Grid drain system
    • Patent number 6,712,553
    • Issue date Mar 30, 2004
    • Karl O. Niedermeyer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Service alarm monitor
    • Patent number 6,160,486
    • Issue date Dec 12, 2000
    • Karl O. Niedermeyer
    • G08 - SIGNALLING
  • Information Patent Grant

    Through flow sump pump
    • Patent number 4,461,614
    • Issue date Jul 24, 1984
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Protection device and sump pump
    • Patent number 4,309,157
    • Issue date Jan 5, 1982
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Through flow sump pump
    • Patent number 4,230,440
    • Issue date Oct 28, 1980
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Visible signal for alarm, such as a smoke detector
    • Patent number 4,228,428
    • Issue date Oct 14, 1980
    • Karl O. Niedermeyer
    • G08 - SIGNALLING
  • Information Patent Grant

    Monitor apparatus for sump pumps
    • Patent number 4,228,427
    • Issue date Oct 14, 1980
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sump pump with air column therein when pump is not operating
    • Patent number 4,215,975
    • Issue date Aug 5, 1980
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Through flow sump pump
    • Patent number 4,201,519
    • Issue date May 6, 1980
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Through flow sump pump
    • Patent number 4,177,021
    • Issue date Dec 4, 1979
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Enclosed sump pump
    • Patent number 4,087,204
    • Issue date May 2, 1978
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Float switch signalling two different liquid levels
    • Patent number 4,086,457
    • Issue date Apr 25, 1978
    • Karl O. Niedermeyer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Enclosed sump pump
    • Patent number 3,999,890
    • Issue date Dec 28, 1976
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screen for intake of emergency sump pump
    • Patent number 3,972,647
    • Issue date Aug 3, 1976
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Safety supervisor for sump pumps and other hazards
    • Patent number 3,941,507
    • Issue date Mar 2, 1976
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Basement flood control system
    • Publication number 20050281679
    • Publication date Dec 22, 2005
    • Karl Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...