F25B 2700/21175
Of the refrigerant at the outlet of the evaporator
Official title: of the refrigerant at the outlet of the evaporator
F25B2700/21175 (Of the refrigerant at the outlet of the evaporator) appears on 495 US grants and 596 published applications in this corpus.
Search patents in F25B- Granted patents
- 495
- Published applications
- 596
- Assignees
- 230
- Inventors
- 1,113
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 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 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 7 |
| 2002 | 13 | 13 |
| 2003 | 13 | 10 |
| 2004 | 10 | 16 |
| 2005 | 12 | 18 |
| 2006 | 9 | 22 |
| 2007 | 12 | 22 |
| 2008 | 14 | 15 |
| 2009 | 3 | 12 |
| 2010 | 12 | 18 |
| 2011 | 11 | 17 |
| 2012 | 9 | 10 |
| 2013 | 9 | 10 |
| 2014 | 6 | 20 |
| 2015 | 16 | 24 |
| 2016 | 14 | 23 |
| 2017 | 26 | 34 |
| 2018 | 25 | 36 |
| 2019 | 35 | 25 |
| 2020 | 25 | 32 |
| 2021 | 23 | 51 |
| 2022 | 36 | 42 |
| 2023 | 38 | 42 |
| 2024 | 44 | 38 |
| 2025 | 27 | 24 |
| 2026 | 16 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for detection and correction of reverse flow in an ejector refrigeration circuit6 Oct 2026US 12,753,952 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
- Cooling mechanism4 Aug 2026US 12,698,931 B2Disco Corporation
- Expansion valve control system21 Jul 2026US 12,687,330 B2Johnson Controls Industries SAS
- Systems and methods for controlling capacity of a compressor8 Oct 2026US 2026/0309355 A1Tyco Fire & Security GmbH
- Two-stage compression centrifugal unit and middle air supplementing control method therefor, and heating and ventilation device20 Aug 2026US 2026/0243470 A1Chongqing Midea General Refrigeration Equipment Co., Ltd.
- Systems and methods for controlling operation of a chiller20 Aug 2026US 2026/0243483 A1Tyco Fire & Security GmbH
- Cooling device, exposure device, and industrial equipment20 Aug 2026US 2026/0243486 A1Canon Semiconductor Equipment Inc.
- Co2 warm liquid defrost with heating section control2 Jul 2026US 2026/0185756 A1Heatcraft Refrigeration Products LLC
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
- Air filter monitoring system159US 7,244,294 B22007
- Intelligent thermostat system for monitoring a refrigerant-cycle apparatus134US 7,331,187 B22008
- Control system for regulating large capacity rotating machinery131US 4,151,725 ABorg-Warner Corporation · 1979