F25B 2313/0312
Pressure sensors near the indoor heat exchanger
F25B2313/0312 (Pressure sensors near the indoor heat exchanger) appears on 50 US grants and 71 published applications in this corpus.
Search patents in F25B- Granted patents
- 50
- Published applications
- 71
- Assignees
- 22
- Inventors
- 159
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 5 |
| 2013 | 0 | 0 |
| 2014 | 0 | 5 |
| 2015 | 1 | 6 |
| 2016 | 2 | 4 |
| 2017 | 5 | 2 |
| 2018 | 4 | 4 |
| 2019 | 2 | 2 |
| 2020 | 5 | 9 |
| 2021 | 6 | 7 |
| 2022 | 5 | 5 |
| 2023 | 5 | 5 |
| 2024 | 4 | 5 |
| 2025 | 1 | 2 |
| 2026 | 3 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Refrigerant leak mitigation system25 Aug 2026US 12,716,632 B2Trane International Inc.
- Air conditioner24 Feb 2026US 12,560,348 B2Carrier Japan Corporation
- Air conditioner and method for calculating operating parameter of indoor unit24 Feb 2026US 12,560,365 B2Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Refrigeration apparatus21 Jan 2025US 12,203,685 B2Daikin Industries, Ltd.
- Refrigeration appliance fan31 Dec 2024US 12,181,201 B2Whirlpool Corporation
- Heat pump system reversing valve fault detection5 Mar 2026US 2026/0063345 A1Haier US Appliance Solutions, Inc.
- Refrigeration appliance fan13 Mar 2025US 2025/0085043 A1Whirlpool Corporation
- Refrigerant leak mitigation using isolation valves30 Jan 2025US 2025/0035356 A1Lennox Industries Inc.
- Air conditioner and method for calculating operating parameter of indoor unit2 May 2024US 2024/0142148 A1Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Methods and systems for controlling an air conditioner14 Mar 2024US 2024/0085048 A1Gd Midea Heating & Ventilating Equipment Co., Ltd.
Most cited
By later US patents
- Refrigeration leak detection11US 11,131,471 B1Emerson Climate Technologies, Inc. · 2021
- Air conditioner10US 7,878,010 B2Daikin Industries, Ltd. · 2011
- Air conditioner with dehumidifying and heating operation6US 6,966,197 B2Denso Corporation · 2005
- Systems and methods for electronic expansion valve control5US 10,612,826 B2Johnson Controls Technology Company · 2020
- Heat pump with hot water storage and refrigerant leak detection5US 11,162,725 B2Mitsubishi Electric Corporation · 2021