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. 24, 2000
Filed:
Mar. 19, 1999
Applicant:
Inventors:
William C Brown, Bryan, OH (US);
Walter D Murray, Pioneer, OH (US);
Gary P Murray, Montpelier, OH (US);
Mark D Pfleeger, Bryan, OH (US);
Assignee:
SPX Corporation, Muskegon, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62149 ; 62 77 ; 62292 ;
Abstract
A refrigerant servicing system includes a main supply tank of refrigerant and an auxiliary tank which is coupled to the main tank by a valve which is selectively controlled by a circuit also coupled to weight and pressure sensors to assure the main tank has a level of refrigerant adequate for providing a continuous supply of refrigerant during servicing.