F25B 41/385
Dispositions with two or more expansion means arranged in parallel on a
Official title: Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
F25B41/385 (Dispositions with two or more expansion means arranged in parallel on a) appears on 341 US grants and 385 published applications in this corpus.
Search patents in F25B- Granted patents
- 341
- Published applications
- 385
- Assignees
- 170
- Inventors
- 972
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 8 |
| 2003 | 9 | 8 |
| 2004 | 5 | 5 |
| 2005 | 6 | 2 |
| 2006 | 1 | 12 |
| 2007 | 4 | 12 |
| 2008 | 3 | 10 |
| 2009 | 5 | 6 |
| 2010 | 6 | 8 |
| 2011 | 5 | 9 |
| 2012 | 4 | 7 |
| 2013 | 2 | 27 |
| 2014 | 3 | 13 |
| 2015 | 18 | 24 |
| 2016 | 9 | 19 |
| 2017 | 19 | 37 |
| 2018 | 24 | 30 |
| 2019 | 30 | 32 |
| 2020 | 20 | 32 |
| 2021 | 33 | 27 |
| 2022 | 29 | 16 |
| 2023 | 14 | 13 |
| 2024 | 10 | 10 |
| 2025 | 15 | 13 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Dual mass cooling precision system9 Dec 2025US 12,492,846 B2STULZ Air Technology Systems, Inc.
- Vacuum insulated structure with a series evaporator18 Nov 2025US 12,474,091 B2Whirlpool Corporation
- Refrigeration circuit device, and method for operating a refrigeration circuit device of this type7 Oct 2025US 12,439,560 B2Viessmann Climate Solutions SE
- Evaporator structure, ice maker, and method for heat exchange16 Jul 2026US 2026/0202106 A1Ningbo Hicon Intelligent Technology Co., Ltd.
- Systems and methods for heat exchange28 May 2026US 2026/0150244 A1Zuta-Core Ltd.
- Temperature Control Device26 Mar 2026US 2026/0088387 A1Hydac Technology GmbH
- Mixed mode cooling system15 Jan 2026US 2026/0016198 A1Vertiv Corporation
- Method of flow control for low ambient heat pump using wet injection circuit13 Nov 2025US 2025/0347454 A1Trane International Inc.
Most cited
By later US patents
- Energy efficient air conditioning system utilizing a variable speed compressor and integrally-related expansion valves98US 5,177,972 ALiebert Corporation · 1993
- Control algorithm for dual temperature evaporator system95US 5,375,428 AWhirlpool Corporation · 1994
- Heat pump having an accumulator with refrigerant level sensor80US 5,136,855 AOntario Hydro · 1992
- Refrigerant circulating system76US 5,737,931 AMitsubishi Denki Kabushiki Kaisha · 1998
- Multi-temperature evaporator refrigeration system with variable speed compressor54US 5,377,498 AWhirlpool Corporation · 1995