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:
Oct. 08, 2002
Filed:
Oct. 24, 2000
Applicant:
Inventor:
Heinrich Lotz, Wetzlar, DE;
Assignee:
Pfeiffer Vacuum GmbH, Asslar, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/700 ; F04B 3/504 ;
U.S. Cl.
CPC ...
F04B 1/700 ; F04B 3/504 ;
Abstract
A turbomolecular pump including a plurality of separate one-piece stator elements, with each stator element including a respective housing part of a cylindrical housing of the pump, a stator disc, and a spacer disc that determines spacing between adjacent stator discs, and a plurality of rotor discs arranged in the pump housing and alternating with the stator disc.
Lotz, Heinrich. (2002). Turbomolecular pump (U.S. Patent No. 6461123). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6461123
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile