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:
May. 25, 1976
Filed:
Apr. 28, 1975
Applicant:
Inventors:
William B Hansel, Media, PA (US);
Walter D Wagner, Chaddsford, PA (US);
Assignee:
Sun Oil Company of Pennsylvania, Philadelphia, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137202 ; 137433 ;
Abstract
A float valve for use in the vapor return lines of a vapor recovery system for liquid hydrocarbon storage facilities is disclosed. This valve is designed to prevent vapors from flowing against the float and to quickly close when the liquid level reaches the float.
Hansel, William. (1976). Quick response float valve for use in vapor return lines (U.S. Patent No. 3958591). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3958591
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile