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. 07, 2011
Filed:
Jul. 31, 2007
Ralph L. Dulay, Chandler, AZ (US);
Maureen Sugai, Phoenix, AZ (US);
Amer Aizaz, Phoenix, AZ (US);
Michael Kolic, Phoenix, AZ (US);
David B. Tornquist, Chandler, AZ (US);
Ralph L. Dulay, Chandler, AZ (US);
Maureen Sugai, Phoenix, AZ (US);
Amer Aizaz, Phoenix, AZ (US);
Michael Kolic, Phoenix, AZ (US);
David B. Tornquist, Chandler, AZ (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
Methods and apparatus are provided for retaining a hinge shaft of a check valve with a bushing. The check valve includes a valve body defining a flow passage therethrough; a hinge shaft; a bushing coupled to the valve body and welded to the hinge shaft; and a closure element pivotally mounted on the hinge shaft for opening and closing the flow passage.