Patents by Inventor Payce D. Reynolds

Payce D. Reynolds 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).

  • Method and accessories for pipe replacement
    Patent number: 6792820
    Abstract: A method of replacing an existing underground pipe, especially a sanitary sewer line, uses a boring machine that advances a drill string of hollow rods through the existing pipe.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: September 21, 2004
    Assignee: Earth Tool Company, L.L.C.
    Inventors: Steven W. Wentworth, Payce D. Reynolds
  • Method and accessories for pipe replacement
    Publication number: 20020162406
    Abstract: A method of replacing an existing underground pipe, especially a sanitary sewer line, uses a boring machine that advances a drill string of hollow rods through the existing pipe.
    Type: Application
    Filed: March 29, 2002
    Publication date: November 7, 2002
    Inventors: Steven W. Wentworth, Payce D. Reynolds
  • Pneumatic ground piercing tool with detachable head
    Patent number: 5465797
    Abstract: A pneumatic ground piercing tool has a head which can be removed and replaced with a replacement head of the same or different design. The detachable head is mounted on the an axial rod behind a threaded surface of the rod, and a nut is threadedly secured on the front threaded portion of the rod, whereby the head is clamped between a front end of the tool housing and the nut. The nut can be unscrewed from the rod to permit replacement of the head. A clamp-loading locking mechanism is used to secure the head to the nut to prevent the nut and head from loosening during operation.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: November 14, 1995
    Assignee: Earth Tool Corporation
    Inventors: Steven W. Wentworth, Jon A. Haas, Robert F. Crane, Payce D. Reynolds