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:
Feb. 02, 2010
Filed:
Feb. 09, 2007
Applicant:
Kenneth M. Madden, Candia, NH (US);
Inventor:
Kenneth M. Madden, Candia, NH (US);
Assignee:
Parker & Harper Companies, Inc., Raymond, NH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An improved power actuated valve, particularly a ball valve, which can be manually opened or closed quickly, in the event of failure of power operation, by manual turning force applied directly to the control stem of the valve without the necessity to overcome any drag or negative torque imposed by the power operating mechanism and speed reducing transmission.
Madden, Kenneth. (2010). Power actuated valve (U.S. Patent No. 7654504). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7654504
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile