F25B 25/005
Machines, plants or systems, using a combination of modes of operation covered
Official title: {using primary and secondary systems}
F25B25/005 (Machines, plants or systems, using a combination of modes of operation covered) appears on 1,254 US grants and 1,659 published applications in this corpus.
Search patents in F25B- Granted patents
- 1,254
- Published applications
- 1,659
- Assignees
- 596
- Inventors
- 2,828
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 17 | 0 |
| 2002 | 17 | 10 |
| 2003 | 13 | 17 |
| 2004 | 15 | 24 |
| 2005 | 10 | 21 |
| 2006 | 15 | 27 |
| 2007 | 22 | 15 |
| 2008 | 12 | 16 |
| 2009 | 6 | 21 |
| 2010 | 5 | 22 |
| 2011 | 9 | 27 |
| 2012 | 9 | 75 |
| 2013 | 16 | 57 |
| 2014 | 24 | 71 |
| 2015 | 34 | 81 |
| 2016 | 55 | 82 |
| 2017 | 91 | 84 |
| 2018 | 75 | 129 |
| 2019 | 86 | 88 |
| 2020 | 100 | 110 |
| 2021 | 85 | 141 |
| 2022 | 111 | 116 |
| 2023 | 107 | 120 |
| 2024 | 104 | 123 |
| 2025 | 96 | 100 |
| 2026 | 56 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vapor compression and absorption refrigeration cycle (VCARC)6 Oct 2026US 12,753,955 B2Effusio, LLC
- Coolant refresh device for coolant distribution unit8 Sep 2026US 12,729,888 B2Cisco Technology, Inc.
- Heat exchange system and heat load control system1 Sep 2026US 12,723,780 B2
- System and methods utilizing fluid coolers and chillers to perform in-series heat rejection and trim cooling25 Aug 2026US 12,716,598 B2Inertech IP LLC
- Cold storage systems25 Aug 2026US 12,716,639 B2Trane Technologies Life Sciences LLC
- Cooling system and method with integrated waste heat utilization for enhanced energy efficiency and sustainability1 Oct 2026US 2026/0298511 A1
- Chiller assembly suitable for a heating, ventilating, or air conditioning (hvac) system27 Aug 2026US 2026/0251359 A1Tyco Fire & Security GmbH
- Liquid circulation apparatus, substrate processing apparatus, and method of manufacturing product27 Aug 2026US 2026/0251365 A1Canon Kabushiki Kaisha
- System and method for maintaining a pressure of a flash tank by discharging a phase change material (PCM) tank27 Aug 2026US 2026/0251367 A1Lennox Industries Inc.
- Cooling system for semiconductor manufacturing process, and semiconductor manufacturing system27 Aug 2026US 2026/0255910 A1Ebara Corporation
Most cited
By later US patents
- Refrigeration system and method of operating the same137US 6,973,794 B2Hussmann Corporation · 2005
- Heat pump air conditioning system132US 4,420,947 AMitsubishi Denki Kabushiki Kaisha · 1983
- Control system for regulating large capacity rotating machinery131US 4,151,725 ABorg-Warner Corporation · 1979
- Two stage cooling system employing thermoelectric modules125US 6,705,089 B2International Business Machines Corporation · 2004
- Multistage rapid product refrigeration apparatus and method105US 6,148,634 A3M Innovative Properties Company · 2000