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:
Jan. 26, 1993
Filed:
Aug. 15, 1991
Applicant:
Inventors:
Jerry B Bishop, Wichita, KS (US);
Francis A Schwind, Fort Worth, TX (US);
David B Sawyer, Fort Worth, TX (US);
Assignee:
Sigma Tek, Inc., Augusta, KS (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ;
U.S. Cl.
CPC ...
418152 ; 418178 ; 418179 ;
Abstract
A rotary sliding vane pump having vanes fabricated from a carbon/carbon based material that provides improved performance by inhibiting vane wear, chipping or fracture. The advantages provided by carbon/carbon based materials may be further enhanced by impregnating each carbon/carbon sliding vane with a teflon based coating.
Quick Actions:
Bishop, Jerry. (1993). Rotary vane pump with carbon/carbon vanes (U.S. Patent No. 5181844). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5181844
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile