Patents by Inventor Ed Richards

Ed Richards 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: 8376366
    Abstract: The invention provides a sealing gland capable of use in high-pressure environments and methods for the use thereof. One aspect of the invention provides a sealing gland including: a first sealing surface having a first groove and a second groove, a first O-ring received in the first groove, a second O-ring received in the second groove, and a pressure port located on the first sealing surface between the first groove and the second groove. The pressure port is configured to apply a fluid pressure intermediate to a first pressure applied to the first O-ring and a second pressure applied to the second O-ring.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: February 19, 2013
    Assignee: Schlumberger Technology Corporation
    Inventor: Ed Richards
  • Publication number: 20100140876
    Abstract: The invention provides a sealing gland capable of use in high-pressure environments and methods for the use thereof. One aspect of the invention provides a sealing gland including: a first sealing surface having a first groove and a second groove, a first O-ring received in the first groove, a second O-ring received in the second groove, and a pressure port located on the first sealing surface between the first groove and the second groove. The pressure port is configured to apply a fluid pressure intermediate to a first pressure applied to the first O-ring and a second pressure applied to the second O-ring.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Ed Richards