F25B 2341/0011
Ejectors with the cooled primary flow at reduced or low pressure
F25B2341/0011 (Ejectors with the cooled primary flow at reduced or low pressure) appears on 162 US grants and 163 published applications in this corpus.
Search patents in F25B- Granted patents
- 162
- Published applications
- 163
- Assignees
- 67
- Inventors
- 269
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 5 | 4 |
| 2003 | 4 | 1 |
| 2004 | 4 | 6 |
| 2005 | 3 | 6 |
| 2006 | 3 | 7 |
| 2007 | 2 | 13 |
| 2008 | 5 | 5 |
| 2009 | 2 | 14 |
| 2010 | 10 | 8 |
| 2011 | 4 | 4 |
| 2012 | 4 | 6 |
| 2013 | 6 | 8 |
| 2014 | 3 | 5 |
| 2015 | 5 | 7 |
| 2016 | 7 | 6 |
| 2017 | 7 | 10 |
| 2018 | 8 | 6 |
| 2019 | 10 | 6 |
| 2020 | 9 | 9 |
| 2021 | 3 | 1 |
| 2022 | 5 | 5 |
| 2023 | 14 | 9 |
| 2024 | 5 | 8 |
| 2025 | 8 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refrigeration system and the control method thereof11 Aug 2026US 12,704,301 B2Carrier Corporation
- Direct expansion evaporator with vapor ejector capacity boost9 Dec 2025US 12,492,850 B2Evapco, Inc.
- Systems and methods for regenerative ejector-based cooling cycles11 Nov 2025US 12,467,669 B2Bechtel Energy Technologies & Solutions, Inc.
- Refrigeration machine29 Jul 2025US 12,372,279 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Systems and methods for heat pump systems8 Jul 2025US 12,352,485 B2Daikin Comfort Technologies Manufacturing, L.P.
- Direct expansion evaporator with vapor ejector capacity boost11 Jun 2026US 2026/0160460 A1
- Systems and Methods for Regenerative Ejector-Based Cooling Cycles29 Jan 2026US 2026/0029179 A1Bechtel Energy Technologies & Solutions, Inc.
- Oil separator and return for ejector-based direct expansion (dx) evaporator1 Jan 2026US 2026/0002703 A1Evapco, Inc.
- Ejector refrigeration system2 Oct 2025US 2025/0305738 A1Carrier Corporation
- Systems and methods for heat pump systems2 Oct 2025US 2025/0305741 A1Daikin Comfort Technologies Manufacturing, L.P.
Most cited
By later US patents
- Refrigerant cycle device77US 7,823,401 B2Denso Corporation · 2010
- Rotatable heat transfer apparatus71US 6,158,237 AThe University of Nottingham · 2000
- 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
- Plate heat exchanger with a two-phase flow distributor46US 6,688,137 B1Carrier Corporation · 2004