F25B 2341/00
Details of ejectors not being used as compression device
Official title: Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
F25B2341/00 (Details of ejectors not being used as compression device) appears on 911 US grants and 868 published applications in this corpus.
Search patents in F25B- Granted patents
- 911
- Published applications
- 868
- Assignees
- 295
- Inventors
- 1,527
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 18 | 0 |
| 2000 | 28 | 0 |
| 2001 | 34 | 12 |
| 2002 | 39 | 33 |
| 2003 | 37 | 35 |
| 2004 | 29 | 57 |
| 2005 | 33 | 34 |
| 2006 | 18 | 31 |
| 2007 | 19 | 40 |
| 2008 | 16 | 24 |
| 2009 | 11 | 26 |
| 2010 | 23 | 28 |
| 2011 | 14 | 21 |
| 2012 | 18 | 20 |
| 2013 | 11 | 31 |
| 2014 | 13 | 21 |
| 2015 | 17 | 36 |
| 2016 | 28 | 56 |
| 2017 | 34 | 46 |
| 2018 | 37 | 56 |
| 2019 | 51 | 44 |
| 2020 | 47 | 49 |
| 2021 | 38 | 36 |
| 2022 | 43 | 40 |
| 2023 | 49 | 32 |
| 2024 | 30 | 23 |
| 2025 | 23 | 22 |
| 2026 | 18 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Electric expansion valve and refrigeration cycle device25 Aug 2026US 12,716,627 B2Denso 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
- Drive Nozzle Attachment And Ejector Assembly For Refrigerants8 Oct 2026US 2026/0309381 A1ECO Holding 1 GmbH
- Electronic expansion valve13 Aug 2026US 2026/0235209 A1Zhejiang Dunan Artificial Environment Co., Ltd.
- Electronic expansion valve6 Aug 2026US 2026/0226995 A1Zhejiang Dunan Artificial Environment Co., Ltd.
- Electronic expansion valve6 Aug 2026US 2026/0227106 A1Zhejiang Dunan Artificial Environment Co., Ltd.
- Evaporator structure, ice maker, and method for heat exchange16 Jul 2026US 2026/0202106 A1Ningbo Hicon Intelligent Technology Co., Ltd.
Most cited
By later US patents
- Compressor unit and separator therefor245US 5,158,585 AHitachi, Ltd. · 1992
- Apparatus for and method of automatically adjusting the superheat setting of a thermostatic expansion valve93US 4,467,613 AEmerson Electric Co. · 1984
- Control device for refrigeration cycle89US 4,499,739 AMitsubishi Denki Kabushiki Kaisha · 1985
- Pressure exchanging ejector and refrigeration apparatus and method84US 5,647,221 AThe George Washington University · 1997
- Apparatus and method for controlling the temperature of an electronic device under test84US 6,668,570 B2Kryotech, Inc. · 2003