Patents by Inventor Robert W. M. Reeve

Robert W. M. Reeve 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).

  • Progressive lock integral joint centralizer
    Patent number: 6453998
    Abstract: The present invention relates to a centralizer for use downhole in a well. The centralizer body has one or more contact arms attached to a movable collar. The body is run into the well to a selected depth within the well and the collar is moved to move the contact arms radially outwardly from the body. The collar can be moved sequentially with hydraulic fluid pressure to control the contact arm movement. The contact arm movement can also be locked to retain the centralizer radial force within the well.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: September 24, 2002
    Inventor: Robert W. M. Reeve