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:
Nov. 01, 2011
Filed:
Jun. 14, 2010
Applicants:
David Trent, Cypress, TX (US);
Michael Jacob Gross, Houston, TX (US);
Charles Clarence Trent, San Antonio, TX (US);
Inventors:
David Trent, Cypress, TX (US);
Michael Jacob Gross, Houston, TX (US);
Charles Clarence Trent, San Antonio, TX (US);
Assignee:
Drilling Technological Innovations, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01B 31/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A tensioner assembly with a hydraulic fluid and gas is described herein. The tensioner assembly can accurately and reliably detect the position of a cylinder rod in each cylinder of the assembly by using a laser. The data obtained from the laser can be reliable and dependable regardless of any powders, oil, particulate, or scratched lenses of the camera.