F25B 2700/21171
Of the fluid cooled by the evaporator
Official title: of the fluid cooled by the evaporator
F25B2700/21171 (Of the fluid cooled by the evaporator) appears on 578 US grants and 656 published applications in this corpus.
Search patents in F25B- Granted patents
- 578
- Published applications
- 656
- Assignees
- 254
- Inventors
- 1,278
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 4 |
| 2002 | 4 | 7 |
| 2003 | 14 | 12 |
| 2004 | 24 | 28 |
| 2005 | 16 | 21 |
| 2006 | 18 | 37 |
| 2007 | 17 | 21 |
| 2008 | 13 | 19 |
| 2009 | 6 | 8 |
| 2010 | 10 | 21 |
| 2011 | 8 | 17 |
| 2012 | 11 | 29 |
| 2013 | 8 | 19 |
| 2014 | 10 | 27 |
| 2015 | 24 | 35 |
| 2016 | 15 | 23 |
| 2017 | 33 | 33 |
| 2018 | 32 | 41 |
| 2019 | 46 | 32 |
| 2020 | 35 | 28 |
| 2021 | 28 | 53 |
| 2022 | 41 | 34 |
| 2023 | 32 | 35 |
| 2024 | 35 | 34 |
| 2025 | 20 | 22 |
| 2026 | 16 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Refrigeration and heat pump systems with pressure exchangers1 Sep 2026US 12,723,782 B2Energy Recovery, Inc.
- Method of varying defrost trigger for heat pump25 Aug 2026US 12,716,630 B2Carrier Corporation
- Cold storage systems25 Aug 2026US 12,716,639 B2Trane Technologies Life Sciences LLC
- 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
- Batch oil return system and method6 Aug 2026US 2026/0227103 A1John Bean Technologies Corporation
- System and Method for Evacuating a Refrigerant Leak in an HVAC System30 Jul 2026US 2026/0218958 A1Lennox Industries Inc.
- Compressor staging control architecture for hot gas reheat systems23 Jul 2026US 2026/0210575 A1Trane International Inc.
- Heat pump systems with pressure exchangers9 Jul 2026US 2026/0194265 A1Energy Recovery, Inc.
- Fluid handling systems including a compressor18 Jun 2026US 2026/0168484 A1Energy Recovery, Inc.
Most cited
By later US patents
- Variable speed drive chiller system167US 6,434,960 B1Carrier Corporation · 2002
- Air filter monitoring system159US 7,244,294 B22007
- Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment156US 6,658,373 B2Field Diagnostic Services, Inc. · 2003
- Partition for varying the supply of cooling fluid134US 6,862,179 B2Hewlett-Packard Development Company, L. P. · 2005
- Intelligent thermostat system for monitoring a refrigerant-cycle apparatus134US 7,331,187 B22008