F25B 49/025
Motor control arrangements
Official title: {Motor control arrangements}
F25B49/025 (Motor control arrangements) appears on 798 US grants and 772 published applications in this corpus.
Search patents in F25B- Granted patents
- 798
- Published applications
- 772
- Assignees
- 260
- Inventors
- 1,775
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 18 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 13 | 0 |
| 2001 | 20 | 5 |
| 2002 | 21 | 18 |
| 2003 | 30 | 30 |
| 2004 | 20 | 16 |
| 2005 | 8 | 24 |
| 2006 | 5 | 18 |
| 2007 | 15 | 26 |
| 2008 | 10 | 31 |
| 2009 | 10 | 22 |
| 2010 | 16 | 30 |
| 2011 | 19 | 23 |
| 2012 | 17 | 16 |
| 2013 | 16 | 23 |
| 2014 | 14 | 24 |
| 2015 | 16 | 41 |
| 2016 | 17 | 33 |
| 2017 | 43 | 49 |
| 2018 | 37 | 41 |
| 2019 | 54 | 40 |
| 2020 | 55 | 64 |
| 2021 | 42 | 50 |
| 2022 | 47 | 39 |
| 2023 | 32 | 35 |
| 2024 | 41 | 31 |
| 2025 | 22 | 22 |
| 2026 | 18 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Single-phase field-oriented control for a linear compressor6 Oct 2026US 12,753,752 B1Haier US Appliance Solutions, Inc.
- Motor drive system and control method for chiller unit29 Sep 2026US 12,747,899 B2Carrier Corporation
- Preventing nuisance trips of ground-fault circuit interruptors electrically coupled to climate control systems29 Sep 2026US 12,749,641 B2Trane International Inc.
- Electric compressor7 Jul 2026US 12,674,463 B2Sanden Corporation
- Multi-capacity compressor with variable speed drive and method of use7 Jul 2026US 12,674,604 B2Regal Beloit America, Inc.
- Dishwasher and method for controlling the same27 Aug 2026US 2026/0248347 A1LG Electronics Inc.
- Heat Pump, HVAC System and Compressor Device20 Aug 2026US 2026/0243484 A1Viessmann Holding International GmbH
- Motor driving device, motor driving method, and refrigeration cycle apparatus13 Aug 2026US 2026/0238144 A1Mitsubishi Electric Corporation
- Heat pump with internal heat generation of multi-phase compressor6 Aug 2026US 2026/0225427 A1Ford Global Technologies, LLC
- Methods and systems for controlling a compressor cooling system9 Jul 2026US 2026/0194269 A1Copeland Corporation
Most cited
By later US patents
- Compressor diagnostic system172US 6,615,594 B2Copeland Corporation · 2003
- Variable speed drive chiller system167US 6,434,960 B1Carrier Corporation · 2002
- Compressor149US 5,857,348 AMultistack International Limited · 1999
- Method and system for diagnosing a cooling system144US 6,758,051 B2Copeland Corporation · 2004
- Compressor diagnostic system137US 6,758,050 B2Copeland Corporation · 2004