F25B 6/04
Arranged in series
Official title: arranged in series
F25B6/04 (Arranged in series) appears on 497 US grants and 632 published applications in this corpus.
Search patents in F25B- Granted patents
- 497
- Published applications
- 632
- Assignees
- 232
- Inventors
- 1,149
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 9 |
| 2003 | 11 | 8 |
| 2004 | 4 | 11 |
| 2005 | 4 | 9 |
| 2006 | 13 | 10 |
| 2007 | 6 | 7 |
| 2008 | 6 | 8 |
| 2009 | 4 | 3 |
| 2010 | 1 | 3 |
| 2011 | 2 | 12 |
| 2012 | 2 | 7 |
| 2013 | 3 | 16 |
| 2014 | 3 | 31 |
| 2015 | 12 | 35 |
| 2016 | 12 | 40 |
| 2017 | 29 | 41 |
| 2018 | 41 | 49 |
| 2019 | 41 | 58 |
| 2020 | 50 | 35 |
| 2021 | 29 | 41 |
| 2022 | 42 | 57 |
| 2023 | 30 | 41 |
| 2024 | 46 | 45 |
| 2025 | 42 | 35 |
| 2026 | 18 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Simultaneous heating and chilling heat pump system11 Aug 2026US 12,704,298 B2Ace Machine Design Inc.
- Electric vehicle heat exchanger deicing system16 Jun 2026US 12,656,034 B2Fca US LLC
- Heat pump apparatus9 Jun 2026US 12,650,251 B2Daikin Industries, Ltd.
- Axial three-way modulating valve26 May 2026US 12,638,089 B2Mueller Refrigeration, LLC
- Transport refrigeration system with a thermal management system12 May 2026US 12,623,512 B2Carrier Corporation
- Heat pump with pumped refrigerant remote condenser13 Aug 2026US 2026/0235332 A1VERTIV INTERNATIONAL GmbH
- Bearing system for hvac&r system6 Aug 2026US 2026/0227102 A1Tyco Fire & Security GmbH
- Liquefied gas supercooling system using mixed refrigerant30 Jul 2026US 2026/0218858 A1Hd Korea Shipbuilding & Offshore Engineering Co., Ltd.
- Transcritical Heat Pump System30 Jul 2026US 2026/0218957 A1Nik Systems Engineering Services Ltd
- Heat pump systems with pressure exchangers9 Jul 2026US 2026/0194265 A1Energy Recovery, Inc.
Most cited
By later US patents
- Refrigeration system and method of operating the same137US 6,973,794 B2Hussmann Corporation · 2005
- Fuzzy logic based controller for cooling and refrigerating systems108US 5,440,891 A1995
- Distributed intelligence control for commercial refrigeration95US 6,332,327 B1Hussmann Corporation · 2001
- Method and apparatus for measuring and improving efficiency in refrigeration systems95US 6,505,475 B1Hudson Technologies, Inc. · 2003
- Method for controlling a motor vehicle air conditioning system91US 5,099,654 ASueddeutsche Kuehlerfabrik Julius Fr. Behr GmbH & Co. KG · 1992