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F25B 2309/023

With two stage expansion

Official title: with two stage expansion

F25B2309/023 (With two stage expansion) appears on 18 US grants and 7 published applications in this corpus.

Search patents in F25B

Granted patents: 18
Published applications: 7
Assignees: 13
Inventors: 23
Latest grant: 20 Feb 2024

Filings by year

F25B 2309/023: granted patents and published applications per publication year
Year	Granted patents	Published applications
1988	1	0
1989	0	0
1990	0	0
1991	0	0
1992	2	0
1993	0	0
1994	0	0
1995	1	0
1996	0	0
1997	0	0
1998	2	0
1999	2	0
2000	2	0
2001	0	0
2002	0	0
2003	1	0
2004	0	0
2005	0	0
2006	0	0
2007	1	1
2008	0	0
2009	0	0
2010	0	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	0
2016	0	0
2017	0	1
2018	0	2
2019	3	1
2020	2	0
2021	0	2
2022	0	0
2023	0	0
2024	1	0

By publication year. Applications have been published since 2001.

Recent patents

Cold storage material and cold storage type cryogenic refrigerator using same20 Feb 2024US 11,906,228 B2Csic Pride (Nanjing) Cryogenic Technology Co., Ltd.
Heat-pump system with combined vapor expansion-compression stages and single-effect vapor absorption unit7 Apr 2020US 10,612,821 B1Kalindha Rashmi LLC
Systems and methods for multi-stage refrigeration14 Jan 2020US 10,533,793 B2Bechtel Hydrocarbon Technology Solutions, Inc.
Systems and methods for multi-stage refrigeration24 Dec 2019US 10,514,201 B2Bechtel Hydrocarbon Technology Solutions, Inc.
Systems and methods for multi-stage refrigeration24 Dec 2019US 10,514,202 B2Bechtel Hydrocarbon Technology Solutions, Inc.

Most cited

By later US patents