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:
Mar. 31, 1987
Filed:
Jul. 19, 1984
Applicant:
Inventors:
H Alfred Eberhardt, Paoli, PA (US);
Kenneth F Hoffman, Schwenksville, PA (US);
Assignee:
Hale Fire Pump Company, Conshohocken, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01B / ;
U.S. Cl.
CPC ...
415 39 ; 415 11 ; 415 26 ; 415145 ;
Abstract
A relief valve system for a pump in which control means are responsive to the occurrence of an excessive pressure on the inlet or discharge side of the pump to relieve this condition by dumping excess pressure to atmosphere.
Eberhardt, H. (1987). Relief valve system (U.S. Patent No. 4653978). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4653978
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile