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:
Sep. 19, 2006
Filed:
Oct. 26, 2004
Applicants:
William J. Quest, Dallas, TX (US);
Kerry W. Whitaker, Plano, TX (US);
Inventors:
William J. Quest, Dallas, TX (US);
Kerry W. Whitaker, Plano, TX (US);
Assignee:
E.F. Products, Inc., Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F25B 45/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A combination pressure measurement/refrigerant charging apparatus may include a shutoff valve that includes a piercing pin and a pressure gauge. The piercing pin may be used to pierce a refrigerant can. The pressure gauge may be used as a handle for operating the shutoff valve. A first end of a hose may be coupled to the shutoff. A quick coupling device may be coupled to a second end of the hose. The quick coupling device may be used to couple the apparatus to a refrigerant system.