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:
Mar. 06, 2001
Filed:
May. 21, 1999
Applicant:
Inventors:
Steven M. Knowles, Silver Lake, IN (US);
Terrence D. Kalley, Troy, MI (US);
Assignee:
Bright Solutions, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 4/500 ;
U.S. Cl.
CPC ...
F25B 4/500 ;
Abstract
Devices and methods for multiple-dose injection of a liquid, e.g., a leak detection dye or a compressor lubricant, into a closed system, e.g., a refrigeration system, are disclosed. Fluid flow through the closed system is used to flush the liquid into the system.