Patents by Inventor Robert Eugene DeHoff

Robert Eugene DeHoff 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).

  • Pipeline tap and connecting device
    Patent number: 4067353
    Abstract: An invention relating to a device adapted to connect a branch line to a main pipeline without interrupting flow of fluid through the mainline. The device includes a pair of tubular, cutter-containing portions and a branch line connection. The device further includes the means to pressure test the branch line prior to the actual cutting or tapping into the mainline.
    Type: Grant
    Filed: September 28, 1976
    Date of Patent: January 10, 1978
    Assignee: AMP Incorporated
    Inventor: Robert Eugene DeHoff
  • Repair coupling
    Patent number: 3986731
    Abstract: The present invention relates to a coupling useful for repairing broken or otherwise damaged tubing. More particularly the invention includes a coupling body member which accepts the cut ends of the tubing being repaired, a pair of washer-seals one for each tubing end and a pair of locking rams which drive the washer seals into the coupling body member and into an expanded fit thereby providing a secure fitting. The rams are threadably received into the coupling body member and locked thereon against unintentional reverse rotation.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: October 19, 1976
    Assignee: AMP Incorporated
    Inventor: Robert Eugene DeHoff