F25D 11/025
Using primary and secondary refrigeration systems
Official title: {using primary and secondary refrigeration systems}
F25D11/025 (Using primary and secondary refrigeration systems) appears on 105 US grants and 122 published applications in this corpus.
Search patents in F25D- Granted patents
- 105
- Published applications
- 122
- Assignees
- 46
- Inventors
- 218
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 7 |
| 2009 | 0 | 5 |
| 2010 | 0 | 6 |
| 2011 | 3 | 4 |
| 2012 | 5 | 9 |
| 2013 | 2 | 7 |
| 2014 | 3 | 2 |
| 2015 | 3 | 6 |
| 2016 | 5 | 3 |
| 2017 | 10 | 7 |
| 2018 | 7 | 17 |
| 2019 | 10 | 3 |
| 2020 | 9 | 9 |
| 2021 | 4 | 6 |
| 2022 | 11 | 15 |
| 2023 | 4 | 3 |
| 2024 | 8 | 1 |
| 2025 | 9 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Measuring system for foodstuffs24 Feb 2026US 12,560,367 B2Lanvi Patent B.V.
- Portable-smart refrigerator methods and systems7 Oct 2025US 12,435,913 B2
- Portable container23 Sep 2025US 12,422,179 B1Ember LifeSciences, Inc.
- Refrigerator with a thermoelectrically powered rapid freeze comparment23 Sep 2025US 12,422,180 B2LG Electronics Inc.
- Portable refrigerator and main refrigerator having the same16 Sep 2025US 12,416,444 B2LG Electronics Inc.
- Refrigerator2 Jul 2026US 2026/0185749 A1Samsung Electronics Co., Ltd.
- Refrigerators with hybrid thermoelectric and compressor-based refrigeration systems5 Mar 2026US 2026/0063351 A1Samsung Electronics Co., Ltd.
- Refrigerator and method for controlling refrigerator11 Sep 2025US 2025/0283639 A1Samsung Electronics Co., Ltd.
- Refrigerator and method for controlling refrigerator11 Sep 2025US 2025/0283657 A1Samsung Electronics Co., Ltd.
- Thermoelectric module and refrigerator comprising same11 Sep 2025US 2025/0287844 A1LG Electronics Inc.
Most cited
By later US patents
- Turbo-chill chamber using secondary coolant33US 9,448,006 B2Whirlpool Corporation · 2016
- Household refrigerator with improved circuit26US 5,191,776 AGeneral Electric Company · 1993
- Refrigeration unit comprising compartments at different temperatures21US 4,383,421 AThomson-Brandt · 1983
- Combined refrigerant compressor and secondary liquid coolant pump21US 7,980,093 B2Whirlpool Corporation · 2011
- Heat transfer device19US 3,933,198 AHitachi, Ltd. · 1976