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. 04, 1991
Filed:
May. 16, 1990
Applicant:
Inventors:
Carl E Floren, Decatur, IL (US);
Mike Weller, House Springs, MO (US);
Timothy M Logman, Monticello, IL (US);
Assignee:
Mueller Co., Decatur, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25G / ;
U.S. Cl.
CPC ...
403306 ; 403-2 ; 403404 ;
Abstract
A corrosion resistant valve stem coupling for use in selected fire hydrants whose water valves are frequently opened and closed. The valve stem coupling is coated with a compressible, non-oxidizable, corrosion protection coating which does not oxidize and is not worn off in situations of repeated use. In one embodiment, the compressible coating is a nylon coating applied to the valve stem coupling with a fluid-bed, powder coating method.