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. 06, 2026
Filed:
Mar. 23, 2023
Applicant:
Johnson Controls Tyco Ip Holdings Llp, Milwaukee, WI (US);
Inventors:
David Andrew Bradshaw, Timonium, MD (US);
Andrew Michael Welch, Mount Wolf, PA (US);
Curtis C. Crane, York, PA (US);
Calvin Andrew Nelson, York, PA (US);
Assignee:
Tyco Fire & Security GMBH, Neuhausen am Rheinfall, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 39/04 (2006.01); F25B 43/04 (2006.01); F25B 49/02 (2006.01);
U.S. Cl.
CPC ...
F25B 39/04 (2013.01); F25B 43/043 (2013.01); F25B 49/02 (2013.01); F25B 2339/047 (2013.01); F25B 2400/13 (2013.01); F25B 2600/0253 (2013.01); F25B 2600/2513 (2013.01); F25B 2700/195 (2013.01); F25B 2700/21163 (2013.01);
Abstract
Embodiments of the present disclosure include systems and methods for selectively activating and deactivating the purge unit in response to one or more conditions to, for example, enable refrigerant-to-air ratios within the purge unit within certain industry standards.