Patents Assigned to Gasbreaker Inc.
  • Excess flow valves
    Patent number: 8776826
    Abstract: An excess flow valve (EFV) for installation in a service line of natural gas distribution system serving an existing structure. The EFV has a cylindrical housing having a first length and a second length and a through hole therethrough for passage of gas. The EFV 11 engaged in the through hole of the first length and the second length has an expandable wall which can be expanded and fixed in said service line.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: July 15, 2014
    Assignee: Gasbreaker Inc.
    Inventors: Seth W. Mackay-Smith, C. Dean McGowan