F25D 2500/02
Geometry problems
F25D2500/02 (Geometry problems) appears on 632 US grants and 686 published applications in this corpus.
Search patents in F25D- Granted patents
- 632
- Published applications
- 686
- Assignees
- 247
- Inventors
- 1,381
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 14 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 4 |
| 2002 | 19 | 18 |
| 2003 | 14 | 19 |
| 2004 | 19 | 31 |
| 2005 | 18 | 47 |
| 2006 | 25 | 41 |
| 2007 | 16 | 29 |
| 2008 | 21 | 31 |
| 2009 | 11 | 27 |
| 2010 | 24 | 20 |
| 2011 | 9 | 23 |
| 2012 | 16 | 12 |
| 2013 | 10 | 16 |
| 2014 | 20 | 10 |
| 2015 | 13 | 20 |
| 2016 | 8 | 15 |
| 2017 | 16 | 34 |
| 2018 | 24 | 54 |
| 2019 | 26 | 27 |
| 2020 | 31 | 46 |
| 2021 | 36 | 39 |
| 2022 | 36 | 22 |
| 2023 | 31 | 36 |
| 2024 | 29 | 24 |
| 2025 | 27 | 22 |
| 2026 | 5 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Insulated beverage cooler system202US 5,758,513 A1998
- Illumination body for refrigeration devices177US 6,578,979 B2Lisa Lux GmbH · 2003
- Thermoelectric cooler and warmer for food with table top tray173US 5,860,281 AIgloo Products Corp. · 1999
- Heat-insulating wall144US 6,485,122 B2BSH Bosch and Siemens Hausgerate GmbH · 2002
- Chilled beverage display container132US 5,596,880 ADecision Point Marketing, Inc. · 1997