F25B 41/35
By rotary motors
Official title: by rotary motors, e.g. by stepping motors
F25B41/35 (By rotary motors) appears on 312 US grants and 324 published applications in this corpus.
Search patents in F25B- Granted patents
- 312
- Published applications
- 324
- Assignees
- 126
- Inventors
- 668
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 12 | 5 |
| 2003 | 8 | 7 |
| 2004 | 7 | 6 |
| 2005 | 3 | 3 |
| 2006 | 2 | 6 |
| 2007 | 6 | 6 |
| 2008 | 4 | 4 |
| 2009 | 0 | 9 |
| 2010 | 5 | 11 |
| 2011 | 4 | 9 |
| 2012 | 6 | 10 |
| 2013 | 6 | 9 |
| 2014 | 5 | 14 |
| 2015 | 7 | 10 |
| 2016 | 13 | 17 |
| 2017 | 11 | 6 |
| 2018 | 11 | 18 |
| 2019 | 14 | 12 |
| 2020 | 13 | 26 |
| 2021 | 15 | 18 |
| 2022 | 19 | 39 |
| 2023 | 21 | 18 |
| 2024 | 31 | 24 |
| 2025 | 10 | 14 |
| 2026 | 14 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve head structure and flow regulating valve with valve head structure29 Sep 2026US 12,747,794 B2Zhejiang Dunan Artificial Environment Co., Ltd.
- Thermal conditioning circuit22 Sep 2026US 12,741,506 B2Valeo Systemes Thermiques
- Electromotive expansion valve and refrigeration circuit25 Aug 2026US 12,716,626 B2Mahle International GmbH
- Electric expansion valve and refrigeration cycle device25 Aug 2026US 12,716,627 B2Denso Corporation
- Electronic expansion valve28 Jul 2026US 12,692,944 B2Zhejiang Dunan Artificial Environment Co., Ltd.
- Electronic expansion valve24 Sep 2026US 2026/0287227 A1Zhejiang Dunan Artificial Environment Co., Ltd.
- Valve device for operation with a refrigerant3 Sep 2026US 2026/0258990 A1Hanon Systems
- Motor-operated valve and refrigeration cycle device20 Aug 2026US 2026/0243366 A1Fujikoki Corporation
- 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.
Most cited
By later US patents
- Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor194US 6,047,557 ACopeland Corporation · 2000
- Economizer control with variable capacity193US 5,095,712 ACarrier Corporation · 1992
- Heat pump motor optimization and sensor fault detection164US 5,630,325 ACopeland Corporation · 1997
- Heat pump motor optimization and sensor fault detection156US 5,440,895 ACopeland Corporation · 1995
- Capacity modulated scroll machine156US 5,741,120 ACopeland Corporation · 1998