Patents by Inventor Dave E. Rothers

Dave E. Rothers 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 apparatus for providing controlled force transference to a wellbore tool
    Patent number: 5343963
    Abstract: Method and apparatus for actuating one or more downhole well tools carried by a production or workstring conduit having an imperforate wall and for blocking fluid communication between an activating fluid body and a second fluid source within said well across dynamic seals between actuating members of the well tool, by producing selective signals through the conduit wall detectable by a member to produce an activating signal for actuating the downhole well tool by a downhole energy source.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: September 6, 1994
    Inventors: Brett W. Bouldin, Steven C. Owens, Dave E. Rothers, Kevin R. Jones