F25B 2341/001
Ejectors not being used as compression device
F25B2341/001 (Ejectors not being used as compression device) appears on 460 US grants and 469 published applications in this corpus.
Search patents in F25B- Granted patents
- 460
- Published applications
- 469
- Assignees
- 151
- Inventors
- 710
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 3 |
| 2002 | 10 | 7 |
| 2003 | 10 | 21 |
| 2004 | 20 | 35 |
| 2005 | 20 | 21 |
| 2006 | 11 | 14 |
| 2007 | 10 | 20 |
| 2008 | 11 | 12 |
| 2009 | 5 | 23 |
| 2010 | 17 | 12 |
| 2011 | 9 | 14 |
| 2012 | 12 | 16 |
| 2013 | 8 | 19 |
| 2014 | 8 | 13 |
| 2015 | 7 | 19 |
| 2016 | 21 | 33 |
| 2017 | 18 | 32 |
| 2018 | 20 | 26 |
| 2019 | 32 | 22 |
| 2020 | 28 | 21 |
| 2021 | 17 | 12 |
| 2022 | 22 | 22 |
| 2023 | 30 | 15 |
| 2024 | 15 | 18 |
| 2025 | 14 | 13 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25B 2341/0012Ejectors with the cooled primary flow at high pressureIndexing code250
- F25B 2341/0011Ejectors with the cooled primary flow at reduced or low pressureIndexing code162
- F25B 2341/0013Ejector control arrangementsIndexing code77
- F25B 2341/0015Using two or more ejectorsIndexing code67
- F25B 2341/0014Ejectors with a high pressure hot primary flow from a compressor dischargeIndexing code60
- F25B 2341/0016Ejectors for creating an oil recirculationIndexing code36
Recent patents
- System and method for detection and correction of reverse flow in an ejector refrigeration circuit6 Oct 2026US 12,753,952 B2Carrier Corporation
- Ejector and refrigeration system having the same22 Sep 2026US 12,742,576 B2Carrier Corporation
- Lubrication system for a compressor18 Aug 2026US 12,710,203 B2Johnson Controls Industries SAS
- Stirling refrigeration system11 Aug 2026US 12,704,297 B2Carrier Corporation
- Refrigeration system and the control method thereof11 Aug 2026US 12,704,301 B2Carrier Corporation
- 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 having an actuation mechanism with a pilot valve and an equalization passage between two cylinder chambers29 Jan 2026US 2026/0029166 A1
- Systems and Methods for Regenerative Ejector-Based Cooling Cycles29 Jan 2026US 2026/0029179 A1Bechtel Energy Technologies & Solutions, Inc.
- Vapor refrigeration system and method for using same22 Jan 2026US 2026/0022867 A1Elkhorn Products Inc.
Most cited
By later US patents
- Compressor unit and separator therefor245US 5,158,585 AHitachi, Ltd. · 1992
- Pressure exchanging ejector and refrigeration apparatus and method84US 5,647,221 AThe George Washington University · 1997
- Refrigerant cycle device77US 7,823,401 B2Denso Corporation · 2010
- Rotatable heat transfer apparatus71US 6,158,237 AThe University of Nottingham · 2000
- Method and apparatus for high heat flux heat transfer60US 6,571,569 B1Rini Technologies, Inc. · 2003