A61L 9/015
Disinfection, sterilisation or deodorisation of air: using gaseous or vaporous substances
Official title: using gaseous or vaporous substances, e.g. ozone (A61L9/20 takes precedence {; evaporation in general B01B1/005})
A61L9/015 (Disinfection, sterilisation or deodorisation of air: using gaseous or vaporous substances) appears on 3,895 US grants and 4,696 published applications in this corpus.
Search patents in A61L- Granted patents
- 3,895
- Published applications
- 4,696
- Assignees
- 1,780
- Inventors
- 7,654
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 17 | 0 |
| 1978 | 21 | 0 |
| 1979 | 25 | 0 |
| 1980 | 24 | 0 |
| 1981 | 43 | 0 |
| 1982 | 28 | 0 |
| 1983 | 33 | 0 |
| 1984 | 21 | 0 |
| 1985 | 39 | 0 |
| 1986 | 38 | 0 |
| 1987 | 33 | 0 |
| 1988 | 45 | 0 |
| 1989 | 48 | 0 |
| 1990 | 56 | 0 |
| 1991 | 52 | 0 |
| 1992 | 41 | 0 |
| 1993 | 42 | 0 |
| 1994 | 32 | 0 |
| 1995 | 41 | 0 |
| 1996 | 47 | 0 |
| 1997 | 35 | 0 |
| 1998 | 68 | 0 |
| 1999 | 79 | 0 |
| 2000 | 91 | 0 |
| 2001 | 64 | 21 |
| 2002 | 92 | 112 |
| 2003 | 99 | 161 |
| 2004 | 90 | 204 |
| 2005 | 76 | 206 |
| 2006 | 84 | 196 |
| 2007 | 74 | 167 |
| 2008 | 55 | 189 |
| 2009 | 72 | 146 |
| 2010 | 87 | 166 |
| 2011 | 80 | 142 |
| 2012 | 86 | 145 |
| 2013 | 95 | 114 |
| 2014 | 143 | 216 |
| 2015 | 103 | 167 |
| 2016 | 139 | 188 |
| 2017 | 131 | 222 |
| 2018 | 127 | 224 |
| 2019 | 177 | 223 |
| 2020 | 158 | 247 |
| 2021 | 163 | 250 |
| 2022 | 153 | 225 |
| 2023 | 121 | 270 |
| 2024 | 160 | 215 |
| 2025 | 148 | 173 |
| 2026 | 103 | 107 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Techniques for olfactory training using scent dispensing devices6 Oct 2026US 12,752,029 B2iRoma Scents A.B. Ltd.
- Device for diffusing volatile substances and method for its manufacturing6 Oct 2026US 12,752,030 B2Zobele Holding SPA
- Volatile composition dispenser with cartridge for multiple volatile compositions6 Oct 2026US 12,752,031 B2The Procter & Gamble Company
- Freshening compositions comprising controlled release modulators29 Sep 2026US 12,746,302 B2Arylessence, Inc.
- Appliance air freshener29 Sep 2026US 12,747,904 B2Electrolux Home Products, Inc.
- Lighting element with insect repelling element8 Oct 2026US 2026/0305598 A1PIC Corporation
- Devices and methods for controlled release of volatile active ingredients8 Oct 2026US 2026/0305602 A1
- Volatile composition dispenser and methods of using same8 Oct 2026US 2026/0306690 A1The Procter & Gamble Company
- Dispenser for a volatile liquid composition8 Oct 2026US 2026/0306691 A1The Procter & Gamble Company
- Device for diffusing volatile substances and method for manufacturing said device8 Oct 2026US 2026/0306692 A1Zobele Holding SPA
Most cited
By later US patents
- Foam substrate and micropackaged active ingredient particle composite dispensing materials1,078US 4,828,542 ATwin Rivers Engineering · 1989
- Polysiloxane hydrogels775US 4,136,250 ACiba-Geigy Corporation · 1979
- Flavor generation device563US 6,125,853 AJapan Tobacco Inc. · 2000
- Deodorizing and sanitizing employing a wicking device328US 7,285,255 B2Ecolab Inc. · 2007
- Orientied microporous film214US 4,867,881 AMinnesota Minning and Manufacturing Company · 1989