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:
Jan. 23, 2024
Filed:
Jan. 05, 2023
Applicant:
Fieldpiece Instruments, Inc., Orange, CA (US);
Inventor:
Henry J Kuo, Orange, CA (US);
Assignee:
Fieldpiece Instruments, Inc., Orange, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 43/00 (2006.01);
U.S. Cl.
CPC ...
F16K 43/003 (2013.01); F25B 2345/006 (2013.01);
Abstract
A dual-valve, valve core installation/removal tee enable the removal and or replacement of a Schrader® valve insert without evacuating the refrigeration system. The use of a dual-valve valve core installation/removal tee also permits the valve core to be removed and maintenance of the HVAC system to be performed without the flow restriction of the valve core and core depressor.