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. 11, 1984
Filed:
Aug. 02, 1982
Applicant:
Inventor:
Michael V Wiernicki, Trumansburg, NY (US);
Assignee:
Facet Enterprises, Incorporated, Tulsa, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417417 ; 417566 ; 417550 ; 318130 ;
Abstract
A low cost electromagnetic fluid pump having molded structural plastic housing components, a biased reciprocating hollow piston, and a pair of plastic flapper valves providing for a unidirectional fluid flow is disclosed. An integrated circuit timer periodically energizes a solenoid coil producing an oscillating magnetic field reciprocating the piston.