F22B 3/045
The drop in pressure being achieved by compressors
Official title: {the drop in pressure being achieved by compressors, e.g. with steam jet pumps}
F22B3/045 (The drop in pressure being achieved by compressors) appears on 25 US grants and 9 published applications in this corpus.
Search patents in F22B- Granted patents
- 25
- Published applications
- 9
- Assignees
- 18
- Inventors
- 46
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Method for Providing Process Steam and Industrial Plant for Utilizing Process Steam14 Nov 2024US 2024/0377106 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Vapor source system based on vapor-liquid ejector supercharging combined with flash vaporization technology19 Jan 2023US 2023/0018348 A1Dalian Ocean University
- Method of hybrid power generation in an environment with a gas pressure below the earth's atmospheric pressure15 Sep 2022US 2022/0290581 A1Mareekh Design Pty Ltd.
- Geothermal energy device17 Feb 2022US 2022/0049846 A1
- Refrigeration cycle ejector power generator18 Jun 2020US 2020/0191108 A1
Most cited
By later US patents
- Flow control at flash tank of open cycle vapor compression heat pumps69US 4,466,253 AGeneral Electric Company · 1984
- Heat pump46US 4,454,720 AMechanical Technology Incorporated · 1984
- Solar steam generator32US 3,962,873 AThermo Electron Corporation · 1976
- Open cycle heat pump system and process for transferring heat27US 4,323,109 AGeneral Electric Company · 1982
- Feedback energy conversion system25US 4,313,305 A1982