F25B 11/02
As expanders
Official title: as expanders (F25B9/06 takes precedence)
F25B11/02 (As expanders) appears on 200 US grants and 213 published applications in this corpus.
Search patents in F25B- Granted patents
- 200
- Published applications
- 213
- Assignees
- 145
- Inventors
- 420
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 3 |
| 2003 | 9 | 6 |
| 2004 | 2 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 2 | 3 |
| 2009 | 3 | 4 |
| 2010 | 0 | 6 |
| 2011 | 1 | 2 |
| 2012 | 1 | 7 |
| 2013 | 7 | 9 |
| 2014 | 5 | 5 |
| 2015 | 6 | 8 |
| 2016 | 3 | 14 |
| 2017 | 8 | 25 |
| 2018 | 15 | 11 |
| 2019 | 17 | 14 |
| 2020 | 16 | 14 |
| 2021 | 9 | 8 |
| 2022 | 9 | 13 |
| 2023 | 9 | 15 |
| 2024 | 12 | 18 |
| 2025 | 10 | 8 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Distillation using mechanical advantage and a single fluid15 Sep 2026US 12,735,332 B1
- Cold storage, a method of operating a cold storage, and a cooling system8 Sep 2026US 12,729,887 B2Lowenco A/S
- Energy storage device and method based on carbon dioxide gas-liquid phase change25 Aug 2026US 12,716,659 B2Exa Energy Technology (Shenzhen) Co. Ltd.
- Refrigeration system and method of use with a receiver tank and expander-assisted cooling11 Aug 2026US 12,704,300 B2Heatcraft Refrigeration Products LLC
- Method and equipment for refrigeration4 Aug 2026US 12,698,924 B2Fluid & Thermal Management, S.L.
- Method of operating a heat cycle system, heat cycle system and method of modifying a heat cycle system1 Oct 2026US 2026/0298113 A1Noditech AB
- High-speed gas foil bearing turboalternator and turbocompressor for reverse brayton cryocooler13 Aug 2026US 2026/0235330 A1Blue Origin Manufacturing, LLC
- Heat pump systems with pressure exchangers9 Jul 2026US 2026/0194265 A1Energy Recovery, Inc.
- Hybrid Air Conditioning System25 Jun 2026US 2026/0177301 A1
- Fluid handling systems including a compressor18 Jun 2026US 2026/0168484 A1Energy Recovery, Inc.
Most cited
By later US patents
- Method and apparatus for flue gas cleaning by separation and liquefaction of sulfur dioxide and carbon dioxide127US 5,133,190 A1992
- Transcritical turbine and method of operation107US 6,644,062 B1Energent Corporation · 2003
- Turbine/motor (generator) driven booster compressor74US 5,924,307 APraxair Technology, Inc. · 1999
- Method and system for a condensing boiler and flue gas cleaning by cooling and liquefaction72US 5,321,946 A1994
- Method and apparatus for converting thermal energy to mechanical energy63US 4,170,116 A1979