Patents by Inventor Charles E. Felker

Charles E. Felker 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).

  • Pipe and tubing connectors
    Patent number: 4119335
    Abstract: A pipe coupling is provided having a sleeve with frusto-conical ends, elastomer gaskets fitting in said frusto-conical ends, a follower at each end of the sleeve having a frusto-conical opening, a plurality of generally triangular jaws fitting in said opening, a split, generally cylindrical, ring between the jaws and pipe end engaging both and tightening means acting on each follower.
    Type: Grant
    Filed: July 11, 1977
    Date of Patent: October 10, 1978
    Assignee: Coupling Systems, Inc.
    Inventors: Paul F. Rieffle, Charles E. Felker
  • Pipe and tubing connecting sleeve
    Patent number: 4070046
    Abstract: A pipe coupling is provided having a sleeve with frusto conical ends, elastomer gaskets fitting in said frusto conical ends, a follower at each end of the sleeve having a frusto conical opening, a plurality of generally triangular jaws fitting in said opening and tightening means acting on each follower.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: January 24, 1978
    Assignee: Coupling Systems, Inc.
    Inventors: Charles E. Felker, Paul F. Rieffle