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:
Apr. 02, 1985
Filed:
Sep. 28, 1982
Applicant:
Inventors:
Erich Bachmann, Asslar, DE;
Ludwig Fabel, Wetzlar, DE;
Roland Fischer, Wetzlar, DE;
Werner Peter, Wetzlar, DE;
Bernd Scheiter, Vollnkirchen, DE;
Werner Wenzel, Schoffengrund, DE;
Assignee:
Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH, Asslar, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C / ;
U.S. Cl.
CPC ...
418 13 ; 418212 ;
Abstract
An arrangement for transmitting torque between the two rotors of a two stage rotary vane pump, consists of a coupling element, which forms between engagements on opposing faces of the two rotors, a connection which permits two degrees of freedom between the two rotors in the plane perpendicular to the rotor axis.
Quick Actions:
Bachmann, Erich. (1985). Two stage rotary vane pump (U.S. Patent No. 4508494). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4508494
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile