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:
Dec. 24, 1996
Filed:
Aug. 17, 1995
Applicant:
Inventor:
John Rasmussen, Youngstown, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L / ; F01B / ;
U.S. Cl.
CPC ...
73744 ; 91-1 ;
Abstract
A differential pressure control switch system for use in determining the relative position of a piston in a pneumatic cylinder in relation to a pre-set threshold pressure sensing by the differential in the supply side and exhaust side of a double acting pneumatic cylinder and a four-way directional control valve associated therewith.