William C. Hamill

Person

  • Halswell, NZ

Patents Grantslast 30 patents

  • Information Patent Grant

    Curved vortex tube

    • Patent number 9,599,372
    • Issue date Mar 21, 2017
    • RPB Safety, LLC
    • Mathew E. Bancroft
    • A42 - HEADWEAR

Patents Applicationslast 30 patents

  • Information Patent Application

    CURVED VORTEX TUBE

    • Publication number 20140123978
    • Publication date May 8, 2014
    • Mathew E. Bancroft
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...