F25B 2700/21174
Of the refrigerant at the inlet of the evaporator
Official title: of the refrigerant at the inlet of the evaporator
F25B2700/21174 (Of the refrigerant at the inlet of the evaporator) appears on 320 US grants and 374 published applications in this corpus.
Search patents in F25B- Granted patents
- 320
- Published applications
- 374
- Assignees
- 162
- Inventors
- 699
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 5 |
| 2002 | 13 | 9 |
| 2003 | 5 | 5 |
| 2004 | 7 | 10 |
| 2005 | 5 | 12 |
| 2006 | 9 | 18 |
| 2007 | 7 | 15 |
| 2008 | 9 | 10 |
| 2009 | 2 | 9 |
| 2010 | 7 | 12 |
| 2011 | 8 | 13 |
| 2012 | 5 | 6 |
| 2013 | 9 | 6 |
| 2014 | 4 | 21 |
| 2015 | 14 | 13 |
| 2016 | 9 | 13 |
| 2017 | 19 | 19 |
| 2018 | 10 | 21 |
| 2019 | 17 | 10 |
| 2020 | 14 | 13 |
| 2021 | 18 | 30 |
| 2022 | 14 | 31 |
| 2023 | 21 | 23 |
| 2024 | 33 | 35 |
| 2025 | 15 | 9 |
| 2026 | 14 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of varying defrost trigger for heat pump25 Aug 2026US 12,716,630 B2Carrier Corporation
- Refrigerant leak mitigation system25 Aug 2026US 12,716,632 B2Trane International Inc.
- Systems and methods for refrigerant leakage diagnosis11 Aug 2026US 12,704,304 B2Tyco Fire & Security GmbH
- Accessible cooling environment9 Jun 2026US 12,650,256 B2Kps Global LLC
- Vehicle temperature management system26 May 2026US 12,636,937 B2Shenzhen Yinwang Intelligent Technologies Co., Ltd.
- Systems and methods for controlling operation of a chiller20 Aug 2026US 2026/0243483 A1Tyco Fire & Security GmbH
- Co2 warm liquid defrost with heating section control2 Jul 2026US 2026/0185756 A1Heatcraft Refrigeration Products LLC
- Air conditioner for removing foreign substances from indoor heat exchanger and method of operating the same25 Jun 2026US 2026/0177302 A1LG Electronics Inc.
- Systems and Methods for Detecting Malfunctions in Refrigerant Based Systems based on Changes in Measured System Metrics11 Jun 2026US 2026/0160461 A1
- Shoe care apparatus and control method therefor7 May 2026US 2026/0126229 A1Samsung Electronics 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
- Air filter monitoring system159US 7,244,294 B22007
- Intelligent thermostat system for monitoring a refrigerant-cycle apparatus134US 7,331,187 B22008
- Cooling control system and expansion valve therefor118US 4,506,518 APacific Industrial Co., Ltd. · 1985
- Diagnostic system and method for a cooling system104US 6,679,072 B2Copeland Corporation · 2004