F25B 23/00
Machines, plants or systems, with a single mode of operation not covered
Official title: Machines, plants or systems, with a single mode of operation not covered by groups F25B1/00 - F25B21/00, e.g. using selective radiation effect
F25B23/00 (Machines, plants or systems, with a single mode of operation not covered) appears on 526 US grants and 616 published applications in this corpus.
Search patents in F25B- Granted patents
- 526
- Published applications
- 616
- Assignees
- 356
- Inventors
- 1,334
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 7 | 0 |
| 1980 | 2 | 0 |
| 1981 | 10 | 0 |
| 1982 | 11 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 2 |
| 2002 | 19 | 12 |
| 2003 | 8 | 9 |
| 2004 | 6 | 13 |
| 2005 | 7 | 25 |
| 2006 | 11 | 14 |
| 2007 | 7 | 6 |
| 2008 | 4 | 8 |
| 2009 | 5 | 15 |
| 2010 | 5 | 6 |
| 2011 | 9 | 9 |
| 2012 | 4 | 18 |
| 2013 | 4 | 22 |
| 2014 | 5 | 20 |
| 2015 | 10 | 29 |
| 2016 | 14 | 42 |
| 2017 | 31 | 24 |
| 2018 | 23 | 35 |
| 2019 | 37 | 33 |
| 2020 | 32 | 40 |
| 2021 | 22 | 35 |
| 2022 | 21 | 47 |
| 2023 | 34 | 33 |
| 2024 | 39 | 47 |
| 2025 | 36 | 37 |
| 2026 | 19 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Smart rack liquid cooling manifold system having integrated controller(s) providing server-level liquid telemetry monitoring, rack liquid flow control, and datacenter communicaton25 Aug 2026US 12,720,714 B2Strategic Thermal Labs, LLC
- Laser cooling atomic objects with phonon pumping28 Jul 2026US 12,693,051 B2Quantinuum LLC
- Elastocaloric heat pump and transportation vehicle with elastocaloric heat pump14 Jul 2026US 12,679,173 B2Volkswagen Aktiengesellschaft
- Self-adaptive thermal management systems and methods thereof23 Jun 2026US 12,663,226 B2Toyota Jidosha Kabushiki Kaisha
- Vehicle radiative cooling device20 Aug 2026US 2026/0241771 A1Nissan Motor Co., Ltd.
- Cooling material and device13 Aug 2026US 2026/0235373 A1Hubris Key Industries LLC
- Redundantly pumped two-phase heat transfer loop6 Aug 2026US 2026/0227107 A1Calyos SA
- Systems and methods for pumped refrigerant system charge management in a data center6 Aug 2026US 2026/0227108 A1Vertiv Corporation
- Regenerative Device Based on Solid-State Elastocaloric Refrigeration and Heating and Refrigeration and Heating Device23 Jul 2026US 2026/0210587 A1The Hong Kong University of Science and Technology
Most cited
By later US patents
- Environmental system for rugged disk drive148US 6,434,000 B1IV Phoenix Group Inc. · 2002
- Air conditioning system with variable condenser reheat for enhanced dehumidification125US 6,826,921 B1Lennox Industries Inc. · 2004
- Distributed fiber optic temperature sensors and systems119US 5,696,863 A1997
- Constant pressure type boiling cooling system100US 4,502,286 AHitachi, Ltd. · 1985
- Heat transfer apparatus93US 5,203,399 AKabushiki Kaisha Toshiba · 1993