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:
Jul. 21, 1981
Filed:
Mar. 16, 1979
Applicant:
Inventor:
Semyon I Fishgal, Toronto, M6P 2L4, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210388 ; 2042 / ; 210443 ; 210510 ; 210785 ;
Abstract
A hydraulic system including a working-liquid pressure line and drain line communicated accordingly with an inlet and outlet of a housing into which a porous piezoelectric ceramic filtering element, such as barium titanate, is placed, connected to a generator of electric oscillations and separates said inlet and outlet.