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Bradley D. Helzer

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  • Ontario, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-flushing sprinkler mechanism
    • Patent number 7,644,870
    • Issue date Jan 12, 2010
    • Rain Bird Corporation
    • Mona-Lisa Alexander
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Slip gear for geared sprinkler motor
    • Patent number 7,261,247
    • Issue date Aug 28, 2007
    • Rain Bird Corporation
    • Jonathan Yeh
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Patents Applicationslast 30 patents

  • Information Patent Application

    INTERNAL PARTICULATE PROTECTIVE OBSTRUCTION FOR SPRINKLERS
    • Publication number 20090026287
    • Publication date Jan 29, 2009
    • Bradley D. Helzer
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Self-flushing sprinkler mechanism
    • Publication number 20080054092
    • Publication date Mar 6, 2008
    • RAIN BIRD CORPORATION
    • Mona-Lisa Alexander
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Slip gear for geared sprinkler motor
    • Publication number 20060108446
    • Publication date May 25, 2006
    • Rain Bird Corporation
    • Jonathan Yeh
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...