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. 17, 1991
Filed:
Apr. 05, 1991
Applicant:
Inventors:
William B Gripe, Concord, CA (US);
Andrew Y Cheng, Alameda, CA (US);
Assignee:
Amot Controls, Inc., Richmond, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
137102 ; 13759618 ; 116277 ; 116272 ;
Abstract
A fluid pressure operated indicating relay including a casing defining an interior and a valve assembly movable within the interior. The valve assembly incorporates a mechanism to prevent 'bounce back' of the valve assembly after the relay has been tripped as a result of a drop of fluid pressure at the relay inlet port.