F25B 1/04
Compression machines, plants or systems with non-reversible cycle: with compressor of rotary
Official title: with compressor of rotary type ({F25B1/005,} F25B1/10 take precedence)
F25B1/04 (Compression machines, plants or systems with non-reversible cycle: with compressor of rotary) appears on 896 US grants and 941 published applications in this corpus.
Search patents in F25B- Granted patents
- 896
- Published applications
- 941
- Assignees
- 256
- Inventors
- 1,745
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 10 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 15 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 16 | 0 |
| 2000 | 17 | 0 |
| 2001 | 18 | 5 |
| 2002 | 23 | 13 |
| 2003 | 20 | 15 |
| 2004 | 16 | 23 |
| 2005 | 9 | 45 |
| 2006 | 16 | 24 |
| 2007 | 24 | 23 |
| 2008 | 18 | 33 |
| 2009 | 4 | 27 |
| 2010 | 23 | 31 |
| 2011 | 22 | 37 |
| 2012 | 14 | 24 |
| 2013 | 19 | 21 |
| 2014 | 25 | 30 |
| 2015 | 21 | 37 |
| 2016 | 17 | 42 |
| 2017 | 32 | 56 |
| 2018 | 33 | 66 |
| 2019 | 52 | 56 |
| 2020 | 55 | 84 |
| 2021 | 47 | 66 |
| 2022 | 57 | 47 |
| 2023 | 44 | 43 |
| 2024 | 57 | 30 |
| 2025 | 34 | 34 |
| 2026 | 14 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Energy storage device and method based on carbon dioxide gas-liquid phase change25 Aug 2026US 12,716,659 B2Exa Energy Technology (Shenzhen) Co. Ltd.
- Static gas thrust bearing18 Aug 2026US 12,710,050 B2Garrett Transportation I Inc.
- Turbo compressor and turbo chiller comprising same11 Aug 2026US 12,704,133 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Lubricant management in an HVACR system28 Jul 2026US 12,693,052 B2Trane International Inc.
- Lubricant management in an HVACR system28 Jul 2026US 12,693,053 B2Trane International Inc.
- Compact hvac&r system24 Sep 2026US 2026/0287214 A1
- 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
- High capacity dual circuit chiller assembly3 Sep 2026US 2026/0258980 A1
- Turbomachine27 Aug 2026US 2026/0251078 A1Kawasaki Jukogyo Kabushiki Kaisha
- Rotary heat exchanger27 Aug 2026US 2026/0251358 A1Nativus, Inc.
Most cited
By later US patents
- Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor194US 6,047,557 ACopeland Corporation · 2000
- Variable speed drive chiller system167US 6,434,960 B1Carrier Corporation · 2002
- Capacity modulated scroll machine156US 5,741,120 ACopeland Corporation · 1998
- Compressor149US 5,857,348 AMultistack International Limited · 1999
- Compressor diagnostic and recording system148US 6,406,265 B1Scroll Technologies · 2002