Patents Represented by Attorney, Agent or Law Firm Flehr Hohbach Test Albritton & Herbet LLP
  • Patent number: 6196280
    Abstract: A combination of a nozzle and a fuel tank fitting for delivering liquefied natural gas (LNG) from a dispenser to a fuel tank. The fuel tank fitting comprises first and second valve assemblies coupled to the fuel tank in close proximity to each other. Each valve assembly has a flow passage extending therethrough in communication with the interior of the tank. The nozzle comprises a housing forming a handle portion and a nozzle portion for mating with the valve assemblies of the fuel tank fitting to form a liquid-tight seal therebetween. First and second flow passages extend through the nozzle and provide respectively a fuel supply line and a vent return line. First and second valve assemblies are disposed in the first and second flow passages in the nozzle. A releasable cooperative clamp is carried by the fuel tank fitting and the nozzle for securing the nozzle to the tank fitting when the nozzle has been mated to the fuel tank fitting.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: March 6, 2001
    Assignee: Liberty Fuels, Inc.
    Inventors: Raymond E. Tate, Jr., Harold M. Lee, Alan T. Ziegler