F25B 1/00
Compression machines, plants or systems with non-reversible cycle
Official title: Compression machines, plants or systems with non-reversible cycle (F25B3/00, F25B5/00, F25B6/00, F25B7/00, F25B9/00 take precedence)
F25B1/00 (Compression machines, plants or systems with non-reversible cycle) appears on 2,970 US grants and 3,387 published applications in this corpus.
Search patents in F25B- Granted patents
- 2,970
- Published applications
- 3,387
- Assignees
- 824
- Inventors
- 5,251
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 21 | 0 |
| 1978 | 15 | 0 |
| 1979 | 13 | 0 |
| 1980 | 35 | 0 |
| 1981 | 25 | 0 |
| 1982 | 29 | 0 |
| 1983 | 14 | 0 |
| 1984 | 16 | 0 |
| 1985 | 24 | 0 |
| 1986 | 17 | 0 |
| 1987 | 10 | 0 |
| 1988 | 15 | 0 |
| 1989 | 10 | 0 |
| 1990 | 19 | 0 |
| 1991 | 24 | 0 |
| 1992 | 31 | 0 |
| 1993 | 26 | 0 |
| 1994 | 20 | 0 |
| 1995 | 15 | 0 |
| 1996 | 17 | 0 |
| 1997 | 14 | 0 |
| 1998 | 23 | 0 |
| 1999 | 29 | 0 |
| 2000 | 28 | 0 |
| 2001 | 34 | 9 |
| 2002 | 50 | 32 |
| 2003 | 45 | 45 |
| 2004 | 42 | 62 |
| 2005 | 43 | 104 |
| 2006 | 42 | 79 |
| 2007 | 52 | 49 |
| 2008 | 42 | 89 |
| 2009 | 20 | 65 |
| 2010 | 57 | 103 |
| 2011 | 45 | 110 |
| 2012 | 41 | 82 |
| 2013 | 57 | 129 |
| 2014 | 70 | 140 |
| 2015 | 87 | 204 |
| 2016 | 84 | 126 |
| 2017 | 155 | 211 |
| 2018 | 155 | 234 |
| 2019 | 213 | 234 |
| 2020 | 181 | 261 |
| 2021 | 197 | 230 |
| 2022 | 228 | 184 |
| 2023 | 150 | 153 |
| 2024 | 171 | 177 |
| 2025 | 135 | 161 |
| 2026 | 75 | 114 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25B 1/10Compression machines, plants or systems with non-reversible cycle: with multi-stage compression1,144
- F25B 1/04Compression machines, plants or systems with non-reversible cycle: with compressor of rotary896
- F25B 1/005Compression machines, plants or systems with non-reversible cycle: of the single unit171
- F25B 1/06Compression machines, plants or systems with non-reversible cycle: with compressor of jet169
- F25B 1/02Compression machines, plants or systems with non-reversible cycle: with compressor of reciprocating-piston161
Recent patents
- Cooling circuit for a system for supplying and cooling a gas6 Oct 2026US 12,753,961 B2Gaztransport Et Technigaz
- Dilution refrigeration device and method22 Sep 2026US 12,742,573 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Vehicle thermal management system8 Sep 2026US 12,728,693 B2Kabushiki Kaisha Toyota Jidoshokki
- Cold storage, a method of operating a cold storage, and a cooling system8 Sep 2026US 12,729,887 B2Lowenco A/S
- Using carbon dioxide from a direct air capture system as a low global warming car and industrial refrigerant25 Aug 2026US 12,716,620 B2AirMyne, Inc.
- Systems and methods for controlling capacity of a compressor8 Oct 2026US 2026/0309355 A1Tyco Fire & Security GmbH
- Compact hvac&r system24 Sep 2026US 2026/0287214 A1
- Brewing and cooling a beverage17 Sep 2026US 2026/0272211 A1ColdSnap, Corp.
- Heat Pump Systems and Methods17 Sep 2026US 2026/0276247 A1AtmosZero, Inc.
- Variable geometry regulation system of a compressor for a heating, ventilation, air conditioning, and/or refrigeration system10 Sep 2026US 2026/0266512 A1Tyco Fire & Security GmbH
Most cited
By later US patents
- Energy management system for refrigeration systems209US 4,325,223 A1982
- 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
- Variable speed drive chiller system167US 6,434,960 B1Carrier Corporation · 2002
- Capacity modulated scroll machine156US 5,741,120 ACopeland Corporation · 1998