F24F 8/20
Treatment: by sterilisation
Official title: by sterilisation
F24F8/20 (Treatment: by sterilisation) appears on 932 US grants and 1,535 published applications in this corpus.
Search patents in F24F- Granted patents
- 932
- Published applications
- 1,535
- Assignees
- 670
- Inventors
- 2,713
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 13 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 1 |
| 2002 | 8 | 15 |
| 2003 | 22 | 40 |
| 2004 | 20 | 58 |
| 2005 | 21 | 65 |
| 2006 | 15 | 68 |
| 2007 | 25 | 30 |
| 2008 | 29 | 36 |
| 2009 | 19 | 28 |
| 2010 | 21 | 27 |
| 2011 | 13 | 27 |
| 2012 | 17 | 38 |
| 2013 | 14 | 21 |
| 2014 | 19 | 19 |
| 2015 | 16 | 30 |
| 2016 | 25 | 26 |
| 2017 | 21 | 34 |
| 2018 | 21 | 34 |
| 2019 | 28 | 28 |
| 2020 | 31 | 54 |
| 2021 | 39 | 134 |
| 2022 | 48 | 250 |
| 2023 | 84 | 173 |
| 2024 | 107 | 152 |
| 2025 | 111 | 91 |
| 2026 | 79 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Portable breathing air filtering device and method6 Oct 2026US 12,752,231 B2King Abdullah University of Science and Technology
- UV disinfectant light system15 Sep 2026US 12,736,239 B2DSM&T Company, Inc.
- Air pollution prevention system for bathroom space15 Sep 2026US 12,736,246 B2Microjet Technology Co., Ltd.
- Air purifier15 Sep 2026US 12,736,443 B2Samsung Electronics Co., Ltd.
- Indoor air cleaning system8 Sep 2026US 12,729,868 B2Microjet Technology Co., Ltd.
- System and method for air decontamination24 Sep 2026US 2026/0284251 A1
- Air purifying and deodorizing device incorporating fragrance diffusion17 Sep 2026US 2026/0276226 A1
- Computer Display Device with Air Cleaning17 Sep 2026US 2026/0277268 A1
- Pipe Mounting Device3 Sep 2026US 2026/0258961 A1Crawford Global Limited
- Method and coanda-effect apparatus for enhanced upper-air uv-c air sanitation27 Aug 2026US 2026/0251340 A1
Most cited
By later US patents
- Air purification system185US 5,997,619 ANQ Environmental, Inc. · 1999
- Automatic intermittent vapor dispenser126US 4,166,087 ACline-Buckner, Inc. · 1979
- Photocatalytic air disinfection123US 5,933,702 AUniversal Air Technology · 1999
- Air treatment system120US 5,616,172 ANature's Quarters, Inc. · 1997
- Cleaning arrangement including filters and ultraviolet radiation118US 5,891,399 AKlean As · 1999