F25B 2700/191
Near an expansion valve
Official title: near an expansion valve
F25B2700/191 (Near an expansion valve) appears on 66 US grants and 83 published applications in this corpus.
Search patents in F25B- Granted patents
- 66
- Published applications
- 83
- Assignees
- 48
- Inventors
- 187
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 3 |
| 2012 | 2 | 3 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 6 |
| 2018 | 3 | 6 |
| 2019 | 3 | 4 |
| 2020 | 3 | 3 |
| 2021 | 8 | 9 |
| 2022 | 5 | 11 |
| 2023 | 9 | 9 |
| 2024 | 17 | 8 |
| 2025 | 3 | 3 |
| 2026 | 3 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method of varying defrost trigger for heat pump25 Aug 2026US 12,716,630 B2Carrier Corporation
- Refrigerant circuit expansion valve control10 Mar 2026US 12,571,568 B2Trane International Inc.
- System and method for controlling head pressure in a refrigeration system13 Jan 2026US 12,523,405 B2Lennox Industries Inc.
- Refrigeration apparatus with oil return control mechanism for compressors18 Nov 2025US 12,474,094 B2Panasonic Intellectual Property Management Co., Ltd.
- Refrigeration-type chiller4 Nov 2025US 12,460,851 B2SMC Corporation
- Refrigerant system including filtering apparatus and operating method thereof16 Jul 2026US 2026/0202108 A1SK Enmove Co., Ltd.
- System and Method for Controlling Head Pressure in a Refrigeration System16 Jul 2026US 2026/0202111 A1Lennox Industries Inc.
- System and Method for Controlling Head Pressure in a Refrigeration System16 Oct 2025US 2025/0321036 A1Lennox Industries Inc.
- System and method to modulate refrigerant pressure24 Jul 2025US 2025/0237421 A1United Coolair Corporation
- Near-isothermal compression, and systems and methods with near-isothermal compression22 May 2025US 2025/0164161 A1University of Maryland, College Park
Most cited
By later US patents
- Thermal management systems20US 11,112,155 B1Booz Allen Hamilton Inc. · 2021
- Thermal management systems19US 11,168,925 B1Booz Allen Hamilton Inc. · 2021
- Refrigeration leak detection11US 11,131,471 B1Emerson Climate Technologies, Inc. · 2021
- Expansion valve8US 6,612,503 B2Tgk Co., Ltd. · 2003
- Air conditioner and installing method of the air conditioner6US 10,132,541 B2Panasonic Intellectual Property Management Co., Ltd. · 2018