F25B 2313/0231
With simultaneous cooling and heating
Official title: with simultaneous cooling and heating
F25B2313/0231 (With simultaneous cooling and heating) appears on 321 US grants and 401 published applications in this corpus.
Search patents in F25B- Granted patents
- 321
- Published applications
- 401
- Assignees
- 55
- Inventors
- 506
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 5 |
| 2004 | 5 | 14 |
| 2005 | 9 | 6 |
| 2006 | 6 | 13 |
| 2007 | 6 | 3 |
| 2008 | 2 | 5 |
| 2009 | 4 | 7 |
| 2010 | 4 | 8 |
| 2011 | 3 | 21 |
| 2012 | 2 | 38 |
| 2013 | 2 | 33 |
| 2014 | 16 | 27 |
| 2015 | 18 | 40 |
| 2016 | 31 | 13 |
| 2017 | 46 | 15 |
| 2018 | 28 | 12 |
| 2019 | 16 | 15 |
| 2020 | 12 | 20 |
| 2021 | 12 | 29 |
| 2022 | 22 | 24 |
| 2023 | 13 | 15 |
| 2024 | 23 | 16 |
| 2025 | 13 | 10 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Air conditioning system24 Feb 2026US 12,560,349 B2Daikin Industries, Ltd.
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- Multi-type air-conditioning device8 Oct 2026US 2026/0309383 A1
- Outdoor unit for air conditioning and air conditioner20 Aug 2026US 2026/0243449 A1Carrier Japan Corporation
- Heat pump apparatus20 Aug 2026US 2026/0243473 A1Mitsubishi Electric Corporation
- Air-conditioning apparatus and evacuation method in air-conditioning apparatus20 Aug 2026US 2026/0243474 A1Mitsubishi Electric Corporation
- Air conditioning system30 Jul 2026US 2026/0218935 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Air-conditioning apparatus81US 9,322,562 B2Mitsubishi Electric Corporation · 2016
- Air-conditioning apparatus47US 4,878,357 ASanyo Electric Co., Ltd. · 1989
- Air-conditioning system39US 5,388,422 AMitsubishi Denki Kabushiki Kaisha · 1995
- Air conditioning system37US 5,142,879 AMitsubishi Denki Kabushiki Kaisha · 1992
- Multi-airconditioner31US 5,279,131 AHitachi, Ltd. · 1994