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:
Feb. 13, 2007
Filed:
Jun. 01, 2005
Applicants:
Stephen Harlow Davies, Shifnal, GB;
Mark Anthony Guy, Codsall, GB;
Michael Paul Somerfield, Stoke-on-Trent, GB;
David Roy Tucker, Craven Arms, GB;
Inventors:
Stephen Harlow Davies, Shifnal, GB;
Mark Anthony Guy, Codsall, GB;
Michael Paul Somerfield, Stoke-on-Trent, GB;
David Roy Tucker, Craven Arms, GB;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
F01B 3/00 (2006.01); F15B 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A linear hydraulic actuator comprises a hollow main piston axially moveable in an elongate cylinder under the influence of hydraulic pressure, the main piston defining a bore within which a seal member is provided, the seal member forming a sliding seal with the bore of the main piston.