F25B 9/08
Compression machines, plants or systems, in which the refrigerant is air or
Official title: using ejectors (F25B9/10 takes precedence)
F25B9/08 (Compression machines, plants or systems, in which the refrigerant is air or) appears on 58 US grants and 74 published applications in this corpus.
Search patents in F25B- Granted patents
- 58
- Published applications
- 74
- Assignees
- 35
- Inventors
- 158
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 4 |
| 2016 | 2 | 4 |
| 2017 | 3 | 7 |
| 2018 | 4 | 11 |
| 2019 | 8 | 3 |
| 2020 | 8 | 11 |
| 2021 | 6 | 6 |
| 2022 | 8 | 5 |
| 2023 | 7 | 6 |
| 2024 | 5 | 7 |
| 2025 | 3 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for detection and correction of reverse flow in an ejector refrigeration circuit6 Oct 2026US 12,753,952 B2Carrier Corporation
- Using carbon dioxide from a direct air capture system as a low global warming car and industrial refrigerant25 Aug 2026US 12,716,620 B2AirMyne, Inc.
- Air conditioner3 Jun 2025US 12,320,556 B2Daikin Industries, Ltd.
- Refrigerator for refrigerating vehicle using ejector and method of controlling the same27 May 2025US 12,313,317 B2Jeju National University Industry-Academic Cooperation Foundation
- Oil separator and return for ejector-based direct expansion (DX) evaporator1 Apr 2025US 12,264,853 B2Evapco, Inc.
- Ejector having an actuation mechanism with a pilot valve and an equalization passage between two cylinder chambers29 Jan 2026US 2026/0029166 A1
- Oil separator and return for ejector-based direct expansion (dx) evaporator1 Jan 2026US 2026/0002703 A1Evapco, Inc.
- System and method for map-interpolation based control of ejectors in an ejector refrigeration circuit24 Apr 2025US 2025/0129978 A1Carrier Corporation
- System and method for detection and correction of reverse flow in an ejector refrigeration circui13 Mar 2025US 2025/0085033 A1Carrier Corporation
- Using Carbon Dioxide From A Direct Air Capture System As A Low Global Warming Car And Industrial Refrigerant3 Oct 2024US 2024/0328681 A1AirMyne, Inc.
Most cited
By later US patents
- Aircraft air conditioning system with an electrically driven ambient air compressor and method for operating such an aircraft air conditioning system15US 10,202,197 B2Airbus Operations GmbH · 2019
- Thermal management systems8US 11,561,033 B1Booz Allen Hamilton Inc. · 2023
- Solar energy system6US 10,094,577 B2Endless Solar Corporation Ltd · 2018
- Thermal management systems5US 11,629,892 B1Booz Allen Hamilton Inc. · 2023
- System for cooling an object with coolant cycle5US 3,932,158 ALinde Aktiengesellschaft · 1976