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:
Aug. 31, 2010
Filed:
Aug. 09, 2006
Greg Paulin, Alpine, UT (US);
James G. Shaw, Draper, UT (US);
James C. Harmon, Salt Lake City, UT (US);
James Northrup, Draper, UT (US);
Greg Paulin, Alpine, UT (US);
James G. Shaw, Draper, UT (US);
James C. Harmon, Salt Lake City, UT (US);
James Northrup, Draper, UT (US);
EnviroTech Pumpsystems, Inc., Salt Lake City, UT (US);
Abstract
A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump.