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:
Nov. 29, 2005
Filed:
Sep. 29, 1999
Applicant:
Franciscus Roffelsen, Helmond, NL;
Inventor:
Franciscus Roffelsen, Helmond, NL;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K015/14 ;
U.S. Cl.
CPC ...
Abstract
A non-return valve having a circumferential face and a channel with a mouth at one end of the channel and located in a groove having circumferential edges which are adjustable and fixable relative to each other and a valve comprising a O-ring manufactured of an elastic material for releasing the mouth at a predetermined pressure in the channel.
Roffelsen, Franciscus. (2005). Non-return valve (U.S. Patent No. 6968863). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6968863
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile