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:
Jun. 27, 1978
Filed:
Sep. 27, 1976
Applicant:
Inventors:
Juan Ricardo Serur, Brookline, MA (US);
Herbert Heinz Loeffler, Arlington, MA (US);
Assignee:
International Biomedical Laboratories, Inc., Boston, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16k / ;
U.S. Cl.
CPC ...
137391 ; 1282 / ; 137423 ; 137433 ; 137453 ; 138 45 ; 222 68 ; 251121 ; 251206 ;
Abstract
A rate of flow regulator comprising upper and lower fluid chambers, the upper chamber having a double acting float valve to maintain a predetermined level of fluid therein, vent means venting each chamber to atmosphere, and metering means for regulating fluid flow to the lower chamber, the height of said upper chamber being adjustable relative to said metering means to change the fluid flow rate.