Patents by Inventor Tom Salversen

Tom Salversen 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).

  • Wellbore primary barrier and related systems
    Patent number: 6209636
    Abstract: A new wellbore apparatus has been invented which, in certain aspects, has anchor apparatus for anchoring the wellbore apparatus in a bore, the anchor apparatus actuated by fluid under pressure supplied thereto, and sealing apparatus selectively inflatable to close off the bore to fluid flow therethrough, and temperature compensating apparatus for maintaining a desired fluid pressure in the sealing apparatus to prevent it from bursting or deflating.
    Type: Grant
    Filed: March 7, 1999
    Date of Patent: April 3, 2001
    Assignee: Weatherford/Lamb, Inc.
    Inventors: John D. Roberts, Jan Drechsler, Tom Salversen, Tom Unsgaard, Eirik Enerstvedt, William A. Blizzard, Jr., Dale E. Langford, Thurman B. Carter