F25B 27/002
Machines, plants or systems, using particular sources of energy: using solar energy
Official title: {using solar energy}
F25B27/002 (Machines, plants or systems, using particular sources of energy: using solar energy) appears on 353 US grants and 334 published applications in this corpus.
Search patents in F25B- Granted patents
- 353
- Published applications
- 334
- Assignees
- 214
- Inventors
- 735
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 14 | 0 |
| 1980 | 11 | 0 |
| 1981 | 12 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 9 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 5 |
| 2003 | 5 | 5 |
| 2004 | 3 | 2 |
| 2005 | 4 | 5 |
| 2006 | 2 | 1 |
| 2007 | 2 | 6 |
| 2008 | 1 | 9 |
| 2009 | 3 | 12 |
| 2010 | 0 | 14 |
| 2011 | 5 | 16 |
| 2012 | 1 | 19 |
| 2013 | 5 | 13 |
| 2014 | 9 | 18 |
| 2015 | 12 | 32 |
| 2016 | 21 | 16 |
| 2017 | 24 | 22 |
| 2018 | 14 | 26 |
| 2019 | 16 | 11 |
| 2020 | 18 | 17 |
| 2021 | 12 | 17 |
| 2022 | 11 | 12 |
| 2023 | 13 | 17 |
| 2024 | 21 | 14 |
| 2025 | 16 | 18 |
| 2026 | 6 | 6 |
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
- Solar powered refrigerator device16 Jun 2026US 12,656,043 B2
- Portable heater and cooler12 May 2026US 12,624,867 B2
- Multi-energy coupled cooling/heating system for buildings in long-term cooling region and operation method21 Apr 2026US 12,607,389 B2North China Municipal Engineering Design & Research Institute Co., Ltd.
- Solar environmental control system, apparatus, and method relating thereto14 Apr 2026US 12,601,528 B2University of North Texas
- Hybrid solar and battery powered thermoelectric cooler25 Jun 2026US 2026/0177294 A1Luya Labs Inc.
- Hybrid Air Conditioning System25 Jun 2026US 2026/0177301 A1
- Solar driven thermoacoustic refrigerator21 May 2026US 2026/0139880 A1
- Multi-split central air conditioning system for simultaneous cooling and heating30 Apr 2026US 2026/0118009 A1Jingkelun Refrigeration Equipment Co., Ltd.
- Self-powered air conditioning systems23 Apr 2026US 2026/0110463 A1Viessmann Climate Solutions SE
Most cited
By later US patents
- Control apparatus and method for an air conditioner compressor115US 5,501,083 ASamsung Electronics Co., Ltd. · 1996
- Geothermal heating and cooling system with solar heating115US 7,234,314 B1Earth to Air Systems, LLC · 2007
- Insulating vacuum panel, method for manufacturing the insulated vacuum panel and insulated containers employing such panel110US 6,192,703 B1Vacupanel, Inc. · 2001
- Portable insulated container with refrigeration89US 6,751,963 B2The Coleman Company, Inc. · 2004
- Thermoelectric modules and a heating and cooling apparatus incorporating same86US 6,739,138 B2AS Innovations LLC · 2004