F25B 2400/077
Compressor control units
Official title: Compressor control units, e.g. terminal boxes, mounted on the compressor casing wall containing for example starter, protection switches or connector contacts
F25B2400/077 (Compressor control units) appears on 100 US grants and 84 published applications in this corpus.
Search patents in F25B- Granted patents
- 100
- Published applications
- 84
- Assignees
- 67
- Inventors
- 234
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 6 |
| 2004 | 6 | 4 |
| 2005 | 4 | 4 |
| 2006 | 1 | 3 |
| 2007 | 5 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 3 | 11 |
| 2016 | 4 | 6 |
| 2017 | 8 | 4 |
| 2018 | 4 | 3 |
| 2019 | 7 | 6 |
| 2020 | 6 | 9 |
| 2021 | 6 | 6 |
| 2022 | 3 | 2 |
| 2023 | 6 | 3 |
| 2024 | 2 | 3 |
| 2025 | 5 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Mitigating compressor liquid migration and/or floodback using suction temperature sensor and/or liquid level sensor23 Sep 2025US 12,422,177 B2Copeland Comfort Control LP
- Inverter-integrated electric compressor19 Aug 2025US 12,395,047 B2Sanden Corporation
- Refrigeration system with emergency cooling using dedicated compressor1 Jul 2025US 12,345,455 B2Heatcraft Refrigeration Products LLC
- Refrigeration system with emergency cooling using dedicated compressor1 Jul 2025US 12,345,456 B2Heatcraft Refrigeration Products LLC
- Magnetic bearing compressor protection28 Jan 2025US 12,209,777 B2Carrier Corporation
- Outdoor unit of air conditioner30 Oct 2025US 2025/0334283 A1LG Electronics Inc.
- Fluid circulation device, installation and method using such a device12 Jun 2025US 2025/0189184 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Magnetic bearing compressor protection27 Mar 2025US 2025/0102195 A1Carrier Corporation
- Housing arrangement for refrigerant compressor9 Jan 2025US 2025/0012489 A1Danfoss A/S
- Refrigeration system with emergency cooling using dedicated compressor8 Aug 2024US 2024/0263856 A1Heatcraft Refrigeration Products LLC
Most cited
By later US patents
- Supply and protection unit for a hermetic compressor68US 4,467,385 AAspera, Inc. · 1984
- Protected refrigerator compressor motor systems and motor protectors therefor60US 4,701,824 ATexas Instruments Incorporated · 1987
- Hermetic refrigeration compressor with improved control and connection means58US 6,375,439 B1Zanussi Elettromeccanica S.p.A. · 2002
- Protected refrigerator compressor motor systems and motor protectors therefor57US 4,706,152 ATexas Instruments Incorporated · 1987
- Protected refrigerator compressor motor systems and motor protectors56US 4,713,717 ATexas Instruments Incorporated · 1987