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. 31, 1991
Filed:
Oct. 01, 1990
Applicant:
Inventors:
William N Anastos, Belmont, MA (US);
Stephen B Boyd, Arlington, MA (US);
Assignee:
Rule Industries, Inc., Gloucester, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417 44 ; 417 12 ; 417 36 ; 361 90 ; 318474 ; 318484 ;
Abstract
Disclosed herein is an apparatus and method for controlling electrically powered liquid-moving pumps, particularly bilge and sump pumps. The apparatus is characterized by the fact that no portion thereof need be located in the hostile environment of the bilge or sump served by the pump controlled thereby.