F25B 2700/1932
Oil pressures
F25B2700/1932 (Oil pressures) appears on 17 US grants and 19 published applications in this corpus.
Search patents in F25B- Granted patents
- 17
- Published applications
- 19
- Assignees
- 16
- Inventors
- 63
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 4 |
| 2020 | 6 | 2 |
| 2021 | 2 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Control system for a vapor compression system20 Aug 2024US 12,066,231 B2Johnson Controls Industries SAS
- Turbo refrigerator and startup control method therefor19 Jul 2022US 11,391,495 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Refrigeration machine control device, turbo refrigeration machine, refrigeration machine control method, and program31 May 2022US 11,346,589 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Method for optimizing pressure equalization in refrigeration equipment12 Apr 2022US 11,300,339 B2Carrier Corporation
- Air compressor28 Sep 2021US 11,131,301 B2Max Co., Ltd.
- Refrigeration cycle device26 Dec 2024US 2024/0424864 A1Denso Corporation
- Refrigerant Circuit and Refrigerant Compressor30 May 2024US 2024/0175616 A1Bitzer Kuhlmaschinenbau GmbH
- Control system for a vapor compression system23 Jun 2022US 2022/0196310 A1Johnson Controls Industries SAS
- Turbo refrigerator and startup control method therefor24 Jun 2021US 2021/0190394 A1Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Refrigeration machine control device, turbo refrigeration machine, refrigeration machine control method, and program15 Apr 2021US 2021/0108843 A1Mitsubishi Heavy Industries Thermal Systems, Ltd.
Most cited
By later US patents
- Solid state compressor control system114US 4,227,862 AFrick Company · 1980
- Solid state compressor control system80US 4,336,001 AFrick Company · 1982
- Method and apparatus for controlling the removal of heat from the condenser in a refrigeration system13US 6,530,236 B2York International Corporation · 2003
- Air compressor2US 10,598,174 B2Max Co., Ltd. · 2020
- Cryogenic refrigerator and method of controlling cryogenic refrigerator1US 10,174,974 B2Sumitomo Heavy Industries, Ltd. · 2019