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:
Dec. 05, 2017
Filed:
Dec. 30, 2014
Applicant:
Energy Recovery, Inc., San Leandro, CA (US);
Inventors:
Prem Krish, Foster City, CA (US);
Farshad Ghasripoor, Berkeley, CA (US);
Jeremy Grant Martin, Oakland, CA (US);
Assignee:
Energy Recovery, Inc., San Leandro, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); F04F 13/00 (2009.01);
U.S. Cl.
CPC ...
E21B 43/26 (2013.01); F04F 13/00 (2013.01);
Abstract
A system including a frac system with a rotary isobaric pressure exchanger configured to exchange pressures between a first fluid and a second fluid, and a lubrication system configured to lubricate the rotary isobaric pressure exchanger.