Patents by Inventor George D. Lemons

George D. Lemons has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5131692
    Abstract: A pipe connector device for selectively interconnecting a pair of pipe elements in an end-to-end relationship and for sealing a junction between the elements to prevent leaks. A first and a second pipe element each includes a cavity adjacent to a center bore in the pipe element. The first pipe element has a substantially smooth inner surface which defines an outer boundary of a first cavity. An annular seal mounted in the cavities seal the junction between the pipe elements. A threaded outer portion of the seal has a plurality of radially outer points which press against the inner surface of the first cavity to retain the annular seal in the first cavity when the pipe elements are separated.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: July 21, 1992
    Assignee: FMC Corporation
    Inventor: George D. Lemons
  • Patent number: 4927192
    Abstract: A pipe connector load element interconnects a pipe element and a connector retention member. The load element is mounted in an annular groove on the outer circumference of the pipe element and in a groove adjacent to an internal bore in the retention member to secure the retention member to the pipe element. The load element includes a plurality of elongated components each having a slot extending lengthwise, and a flexible ribbon for threading through the slots. A pair of retention members are interconnected to connect a pair of pipe elements in an end-to-end arrangement.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: May 22, 1990
    Assignee: FMC Corporation
    Inventors: Tep Ungchusri, George D. Lemons