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. 01, 2002
Filed:
Jun. 01, 2001
Tai-Tung Huang, San Diego, CA (US);
Po-Hao Huang, San Diego, CA (US);
Other;
Abstract
Gas flow sensor generally comprises housing defining internal cavity , diaphragm assembly separating internal cavity into first chamber in communication with gas inlet and second chamber in communication with gas outlet and having orifices therethrough for passage of gas, valve mounted on diaphragm assembly for closing and opening orifices ; and a sensing unit sensing when diaphragm assembly has moved at least to a predetermined location. Incoming gas moves diaphragm assembly such that valve is pressed against wall of second chamber whereby valve is opened and gas passes through orifices and out gas outlet
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile