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:
Sep. 04, 2007
Filed:
Sep. 29, 2004
Applicants:
Edwin G. Sawdon, St. Clair, MI (US);
Steven J. Sprotberry, Marysville, MI (US);
Inventors:
Edwin G. Sawdon, St. Clair, MI (US);
Steven J. Sprotberry, Marysville, MI (US);
Assignee:
BTM Corporation, Marysville, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T 17/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pressure intensifier for generating a relatively large force includes a plurality of pistons driven in advancing and retracting directions. The pressure intensifier includes a rod selectively drivable into a cavity to amplify the force acting on one of the pistons. A valve limits fluid flow to control the rate of movement of one of the pistons.