F25B 2500/02

Increasing the heating capacity of a reversible cycle during cold outdoor conditions

F25B2500/02 (Increasing the heating capacity of a reversible cycle during cold outdoor conditions) appears on 43 US grants and 46 published applications in this corpus.

Search patents in F25B

Granted patents: 43
Published applications: 46
Assignees: 22
Inventors: 131
Latest grant: 26 Dec 2023

Filings by year

F25B 2500/02: granted patents and published applications per publication year
Year	Granted patents	Published applications
1979	2	0
1980	0	0
1981	0	0
1982	0	0
1983	0	0
1984	0	0
1985	0	0
1986	0	0
1987	0	0
1988	1	0
1989	0	0
1990	0	0
1991	2	0
1992	3	0
1993	0	0
1994	0	0
1995	0	0
1996	0	0
1997	1	0
1998	0	0
1999	0	0
2000	0	0
2001	0	0
2002	0	1
2003	2	1
2004	0	1
2005	1	0
2006	0	17
2007	8	0
2008	1	2
2009	1	0
2010	0	1
2011	0	1
2012	1	1
2013	0	2
2014	0	0
2015	1	2
2016	2	0
2017	2	2
2018	0	2
2019	5	4
2020	2	3
2021	3	6
2022	3	0
2023	2	0

By publication year. Applications have been published since 2001.

Recent patents

Heat pump arrangement having a controllable heat exchanger and method for producing a heat pump arrangement26 Dec 2023US 11,852,388 B2Efficient Energy GmbH
Method for controlling power-on or power-off of air conditioner12 Dec 2023US 11,841,150 B2Gree Electric Appliances, Inc. of Zhuhai
Air conditioner13 Sep 2022US 11,441,793 B2LG Electronics Inc.
Heating, ventilation, air-conditioning, and refrigeration system with variable speed compressor9 Aug 2022US 11,408,651 B2Lennox Industries Inc.
Heating, ventilation, air-conditioning, and refrigeration system with variable speed compressor9 Aug 2022US 11,408,652 B2Lennox Industries Inc.

Most cited

By later US patents