The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 2007
Filed:
Apr. 27, 2004
Applicants:
David A. Schmidt, Houston, TX (US);
Robert F. Schmidt, Cypress, TX (US);
John W. Mccaskill, Jersey Village, TX (US);
Inventors:
David A. Schmidt, Houston, TX (US);
Robert F. Schmidt, Cypress, TX (US);
John W. McCaskill, Jersey Village, TX (US);
Assignee:
Power Well Services, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an apparatus for use in field servicing a choke valve system. The apparatus is used for lifting, manipulating, and handling the heavy components of hydraulic choke valves. The apparatus includes an elongated track, a choke valve support structure, a trolley that selectably reciprocates along a length of the trolley, and an attachment mechanism for attaching a choke actuator to the trolley.