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:
Oct. 17, 1978
Filed:
Dec. 02, 1976
Applicant:
Inventor:
Alfred E Zygiel, deceased, late of Dallas, TX (US);
Assignee:
The Cornelius Company, Golden Valley, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D / ; G01F / ;
U.S. Cl.
CPC ...
222133 ; 222207 ; 222334 ;
Abstract
A liquid dispensing pump is disclosed and is powerable by pressurized fluid intermittently applied to the pump, the pump has a pumping chamber, a pressurizing chamber, a movable member for transferring pressure to the pumping chamber, a fluid conduit to the pressurizing chamber for applying pressure to the pump, a valve in the conduit for preventing reverse flow of fluid and an open drain in fluid communication with the pressurizing chamber; any fluid used to power the pump is exhausted out of the drain both during and after pumping.