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Robert C. Franklin

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  • Los Gatos, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water sensor with activation mechanism
    • Patent number 8,464,744
    • Issue date Jun 18, 2013
    • Robert C. Franklin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clog resistant pilot valve
    • Patent number 7,703,740
    • Issue date Apr 27, 2010
    • Robert C. Franklin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shutoff valve system with leak detector
    • Patent number 7,082,959
    • Issue date Aug 1, 2006
    • Robert C. Franklin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Shutoff valve system with leak detector
    • Patent number 6,792,967
    • Issue date Sep 21, 2004
    • Robert C. Franklin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Automatic shutoff valve
    • Patent number 5,240,022
    • Issue date Aug 31, 1993
    • Robert C. Franklin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Low friction ball valve
    • Patent number 5,193,780
    • Issue date Mar 16, 1993
    • Robert C. Franklin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Digital inclinometer
    • Patent number 4,942,668
    • Issue date Jul 24, 1990
    • Zircon International, Inc.
    • Robert C. Franklin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electronic level
    • Patent number 4,827,624
    • Issue date May 9, 1989
    • Zircon International, Inc.
    • Robert C. Franklin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Motor speed control system
    • Patent number 4,564,795
    • Issue date Jan 14, 1986
    • Beckman Instruments, Inc.
    • Christopher W. Parkes
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electronic wall stud sensor
    • Patent number 4,464,622
    • Issue date Aug 7, 1984
    • Robert C. Franklin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Parabolic function generator
    • Patent number 4,464,727
    • Issue date Aug 7, 1984
    • Beckman Instruments, Inc.
    • Christopher W. Parkes
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Switching regulator with transient reduction circuit
    • Patent number 4,412,279
    • Issue date Oct 25, 1983
    • Beckman Instruments, Inc.
    • Robert C. Franklin
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Air driven centrifuge having a tachometer
    • Patent number 4,322,029
    • Issue date Mar 30, 1982
    • Beckman Instruments, Inc.
    • Lee Gropper
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Ultracentrifuge overspeed disk detection system
    • Patent number 4,205,261
    • Issue date May 27, 1980
    • Beckman Instruments, Inc.
    • Robert C. Franklin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electronic wall stud sensor
    • Patent number 4,099,118
    • Issue date Jul 4, 1978
    • Robert C. Franklin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Power control for variable speed induction motors
    • Patent number 4,042,862
    • Issue date Aug 16, 1977
    • Robert C. Franklin
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Combination dimmer and timer switch mechanism
    • Patent number 3,979,601
    • Issue date Sep 7, 1976
    • Robert C. Franklin
    • G04 - HOROLOGY