F25D 2317/041
By purification
Official title: by purification
F25D2317/041 (By purification) appears on 428 US grants and 545 published applications in this corpus.
Search patents in F25D- Granted patents
- 428
- Published applications
- 545
- Assignees
- 220
- Inventors
- 1,199
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 2 |
| 2002 | 11 | 5 |
| 2003 | 7 | 14 |
| 2004 | 2 | 8 |
| 2005 | 8 | 14 |
| 2006 | 4 | 13 |
| 2007 | 3 | 18 |
| 2008 | 5 | 15 |
| 2009 | 2 | 10 |
| 2010 | 11 | 26 |
| 2011 | 6 | 19 |
| 2012 | 9 | 21 |
| 2013 | 8 | 16 |
| 2014 | 10 | 27 |
| 2015 | 14 | 23 |
| 2016 | 12 | 19 |
| 2017 | 20 | 31 |
| 2018 | 16 | 27 |
| 2019 | 25 | 34 |
| 2020 | 24 | 44 |
| 2021 | 27 | 22 |
| 2022 | 27 | 40 |
| 2023 | 20 | 35 |
| 2024 | 26 | 29 |
| 2025 | 28 | 18 |
| 2026 | 16 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of controlling the environment in a grow room6 Oct 2026US 12,751,465 B2JDS Consulting
- Appliance air freshener29 Sep 2026US 12,747,904 B2Electrolux Home Products, Inc.
- Refrigerator29 Sep 2026US 12,747,910 B2Samsung Electronics Co., Ltd.
- Ozone-based disinfection system for refrigerated storage and ice-making applications26 May 2026US 12,636,395 B2BioSure North America LLC
- Device for mist generation in a refrigerating and/or freezing appliance26 May 2026US 12,638,226 B2Liebherr-Hausgeraete Ochsenhausen GmbH
- Plant-preserving refrigerator10 Sep 2026US 2026/0266530 A1Minea Electrical Appliance Co., Ltd
- Modular mobile treatment and precooling apparatus, methods, and systems6 Aug 2026US 2026/0223871 A1RLMB Group, LLC
- Refrigerator6 Aug 2026US 2026/0227117 A1LG Electronics Inc.
- Air composition adjustment apparatus, refrigeration apparatus, and storage23 Jul 2026US 2026/0210618 A1Daikin Industries, Ltd.
- Apparatus for sterilization and deodorization, and refrigerator comprising same16 Jul 2026US 2026/0202117 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Thermoelectric cooling system83US 6,401,462 B12002
- Ice dispenser with an air-cooled bin78US 6,093,312 AEntre Pure, Inc. · 2000
- System for germicidal disinfecting of food inside of refrigerators using ultraviolet radiation74US 5,901,564 A1999
- Sterilizing/deodorizing apparatus for use in a refrigerator66US 5,230,220 ASamsung Electronics Co., Ltd. · 1993
- Temperature and humidity control system64US 4,711,294 A1987