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Robert W. Spears

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  • Agua Dulce, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grip lock fire sprinkler connector
    • Patent number 11,105,448
    • Issue date Aug 31, 2021
    • Spears Manufacturing Co.
    • Wayne Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe coupling
    • Patent number 9,810,359
    • Issue date Nov 7, 2017
    • Spears Manufacturing Co.
    • Wayne Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Telescoping pipe coupling
    • Patent number 9,765,912
    • Issue date Sep 19, 2017
    • Spears Manufacturing Co.
    • Wayne Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Closure fitting for containment piping
    • Patent number 9,151,426
    • Issue date Oct 6, 2015
    • Spears Manufacturing Co.
    • Robert W. Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Aluminum cartridge casing for rifles
    • Patent number 8,381,655
    • Issue date Feb 26, 2013
    • Spears Manufacturing Co.
    • Douglas Swingley
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Strengthened pipe fitting and method
    • Patent number 5,582,439
    • Issue date Dec 10, 1996
    • Spears Manufacturing Company
    • Robert W. Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sprinkler head adapter
    • Patent number 5,109,929
    • Issue date May 5, 1992
    • Spears Manufacturing Corp.
    • Robert W. Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Trickle emitter for subterranean irrigation
    • Patent number 4,100,940
    • Issue date Jul 18, 1978
    • Robert Wayne Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    GRIP LOCK FIRE SPRINKLER CONNECTOR
    • Publication number 20210356059
    • Publication date Nov 18, 2021
    • Spears Manufacturing Co.
    • Wayne Spears
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    TELESCOPING PIPE COUPLING
    • Publication number 20160131289
    • Publication date May 12, 2016
    • Spears Manufacturing Co.
    • Wayne Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PIPE COUPLING
    • Publication number 20160097477
    • Publication date Apr 7, 2016
    • Spears Manufacturing Co.
    • Wayne Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Closure Fitting for Containment Piping
    • Publication number 20150059862
    • Publication date Mar 5, 2015
    • Spears Manufacturing Co.
    • Robert W. Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ALUMINUM CARTRIDGE CASING FOR RIFLES
    • Publication number 20120285345
    • Publication date Nov 15, 2012
    • Douglas Swingley
    • F42 - AMMUNITION BLASTING
  • Information Patent Application

    Check Valve With Oblong Hinge Openings
    • Publication number 20070272308
    • Publication date Nov 29, 2007
    • Wayne Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Check valve with pressure relief feature
    • Publication number 20050229978
    • Publication date Oct 20, 2005
    • Robert W. Spears
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...