Patents by Inventor Vlanton R. Evans

Vlanton R. Evans 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: 5167277
    Abstract: A fluid spill deflection system and device for use with a wellhead or attachment thereto comprising a flexible sheet-like member having a first aperture for fitting about the wellhead or attachment thereto, a drain, and fastening devices fixed to the member for supporting the member about the wellhead or attachment thereto.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: December 1, 1992
    Assignee: Atlantic Richfield Company
    Inventor: Vlanton R. Evans
  • Patent number: 4949784
    Abstract: An apparatus for producing fluid from a wellbore using a reciprocating pump which moves a sucker-rod string through the wellhead of the wellbore, a catch basin is carried by the wellhead in the vicinity where the sucker-rod string exits from the wellhead, the basin being located so that liquid leaking from the wellhead flows down the wellhead and into the basin, sump means spaced from the wellhead and a first conduit means in open communication between the basin and the sump means for draining fugitive liquid from the wellhead into the sump means, and second conduit means carrying first valve means and being in communication between the wellhead and the sump means so that a visual inspection of the liquid passing through the wellhead can be achieved by opening first valve means and viewing the nature and character of the liquid that flows from the wellhead into the sump means.
    Type: Grant
    Filed: December 15, 1989
    Date of Patent: August 21, 1990
    Assignee: Atlantic Richfield Company
    Inventor: Vlanton R. Evans