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:
Feb. 08, 2022
Filed:
Sep. 17, 2019
Applicant:
Waters Technologies Corporation, Milford, MA (US);
Inventors:
Jeffrey Musacchio, Sharon, MA (US);
Michael Eggertson, Natick, MA (US);
Joseph Michienzi, Plainville, MA (US);
Assignee:
WATERS TECHNOLOGIES CORPORATION, Milford, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/02 (2006.01); F15B 15/14 (2006.01); F15B 1/04 (2006.01); F15B 15/18 (2006.01); F16H 37/08 (2006.01); G01N 30/32 (2006.01);
U.S. Cl.
CPC ...
F15B 15/1409 (2013.01); F15B 1/04 (2013.01); F15B 15/18 (2013.01); F16H 37/0846 (2013.01); G01N 30/02 (2013.01); G01N 2030/027 (2013.01); G01N 2030/326 (2013.01);
Abstract
A liquid chromatography solvent pump includes at least one motor, a first piston, a second piston, and a continuously variable output drive system coupling the at least one motor to at least one of the first and second pistons. The first piston and the second piston are configured to deliver a flow of solvent in a liquid chromatography system.