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. 04, 1998
Filed:
May. 01, 1996
Applicant:
Inventors:
Gary Mack Pittman, Pearland, TX (US);
Kenneth Alan Senior, Wilmington, DE (US);
John Neal Strunk, Houston, TX (US);
Krishnan Ramalingam Thondukolam, Newark, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251214 ; 277532 ; 277536 ; 277540 ; 277937 ; 277938 ; 277945 ;
Abstract
Valves having a stem packing of alternating layers of perfluoroelastomer and high temperature polymer provide outstanding sealing performance against corrosive fluids and high temperatures.
Pittman, Gary. (1998). Valve with perfluoroelastomer packing (U.S. Patent No. 5788216). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5788216
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile