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. 18, 2024
Filed:
Sep. 04, 2020
Applicant:
Edwards Vacuum Llc, Sanborn, NY (US);
Inventors:
Evan Privet, Shakopee, MN (US);
Marcus Hans Robert Thierley, Shakopee, MN (US);
Assignee:
Edwards Vacuum LLC, Sanborn, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J 41/12 (2006.01); F04B 37/02 (2006.01); H01J 17/22 (2012.01); H01J 17/24 (2012.01);
U.S. Cl.
CPC ...
H01J 41/12 (2013.01); F04B 37/02 (2013.01); H01J 17/22 (2013.01); H01J 17/24 (2013.01);
Abstract
An ion pump controller configured to alternate between increasing and decreasing a potential difference between an anode and a cathode of an ion pump multiple times during the starting of pumping.