F25B 2341/0012
Ejectors with the cooled primary flow at high pressure
F25B2341/0012 (Ejectors with the cooled primary flow at high pressure) appears on 250 US grants and 277 published applications in this corpus.
Search patents in F25B- Granted patents
- 250
- Published applications
- 277
- Assignees
- 77
- Inventors
- 382
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 6 | 4 |
| 2003 | 6 | 17 |
| 2004 | 16 | 30 |
| 2005 | 20 | 12 |
| 2006 | 5 | 7 |
| 2007 | 7 | 12 |
| 2008 | 8 | 6 |
| 2009 | 2 | 7 |
| 2010 | 10 | 4 |
| 2011 | 4 | 6 |
| 2012 | 4 | 8 |
| 2013 | 2 | 9 |
| 2014 | 3 | 8 |
| 2015 | 4 | 12 |
| 2016 | 13 | 21 |
| 2017 | 10 | 19 |
| 2018 | 12 | 20 |
| 2019 | 18 | 16 |
| 2020 | 18 | 11 |
| 2021 | 13 | 8 |
| 2022 | 13 | 13 |
| 2023 | 12 | 6 |
| 2024 | 9 | 8 |
| 2025 | 6 | 9 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ejector and refrigeration system having the same22 Sep 2026US 12,742,576 B2Carrier Corporation
- Refrigeration system and method28 Apr 2026US 12,613,057 B2Mbgsholdings Pty Ltd
- Heat pump systems with pressure exchangers31 Mar 2026US 12,590,738 B2Energy Recovery, Inc.
- Direct expansion evaporator with vapor ejector capacity boost9 Dec 2025US 12,492,850 B2Evapco, Inc.
- Air conditioner14 Oct 2025US 12,442,549 B2Daikin Industries, Ltd.
- Heat pump systems with pressure exchangers9 Jul 2026US 2026/0194265 A1Energy Recovery, Inc.
- Direct expansion evaporator with vapor ejector capacity boost11 Jun 2026US 2026/0160460 A1
- Ejector refrigeration system2 Oct 2025US 2025/0305738 A1Carrier Corporation
- Energy efficient heat pump with ejector system14 Aug 2025US 2025/0257917 A1Tyco Fire & Security GmbH
- Ejector19 Jun 2025US 2025/0198674 A1Carrier Corporation
Most cited
By later US patents
- Ejector cycle system with critical refrigerant pressure52US 6,477,857 B2Denso Corporation · 2002
- Air-conditioning system having recirculating and flow-control means51US 4,187,695 AVirginia Chemicals Inc. · 1980
- Method of reducing flow metastability in an ejector nozzle43US 5,343,711 AVirginia Tech Intellectual Properties, Inc. · 1994
- Regenerative refrigeration system with mixed refrigerants43US 6,293,108 B1Vortex Aircon, Inc. · 2001
- Ejector cycle system with critical refrigerant pressure38US 6,574,987 B2Denso Corporation · 2003