Patents by Inventor Edward H. Herr

Edward H. Herr 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).

  • Latch mechanism guide
    Patent number: 6719052
    Abstract: An apparatus and method for guiding a fish into engagement with a latch mechanism on a fishing tool, by hydraulically expanding the ends of a set of fingers into contact with a bore hole. The ends of the fingers surround the fish and guide the fish and the latch mechanism together, as the tool is lowered, until the latch mechanism latches onto the fish.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: April 13, 2004
    Assignee: Baker Hughes Incorporated
    Inventors: Stephen K. Harmon, Marc D. Kuck, Roy E. Swanson, Francine A. Bradford, Edward H. Herr
  • LATCH MECHANISM GUIDE
    Publication number: 20040060701
    Abstract: An apparatus and method for guiding a fish into engagement with a latch mechanism on a fishing tool, by hydraulically expanding the ends of a set of fingers into contact with a bore hole. The ends of the fingers surround the fish and guide the fish and the latch mechanism together, as the tool is lowered, until the latch mechanism latches onto the fish.
    Type: Application
    Filed: September 26, 2002
    Publication date: April 1, 2004
    Inventors: Stephen K. Harmon, Marc D. Kuck, Roy E. Swanson, Francine A. Bradford, Edward H. Herr