A61L 9/02
Using substances evaporated in the air by heating or combustion
Official title: using substances evaporated in the air by heating or combustion
A61L9/02 (Using substances evaporated in the air by heating or combustion) appears on 1,242 US grants and 1,628 published applications in this corpus.
Search patents in A61L- Granted patents
- 1,242
- Published applications
- 1,628
- Assignees
- 546
- Inventors
- 2,362
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 29 | 0 |
| 2000 | 28 | 0 |
| 2001 | 22 | 9 |
| 2002 | 34 | 46 |
| 2003 | 39 | 52 |
| 2004 | 31 | 83 |
| 2005 | 34 | 89 |
| 2006 | 38 | 74 |
| 2007 | 36 | 58 |
| 2008 | 24 | 63 |
| 2009 | 31 | 48 |
| 2010 | 31 | 66 |
| 2011 | 28 | 49 |
| 2012 | 33 | 46 |
| 2013 | 35 | 34 |
| 2014 | 68 | 90 |
| 2015 | 36 | 63 |
| 2016 | 43 | 77 |
| 2017 | 49 | 71 |
| 2018 | 45 | 80 |
| 2019 | 60 | 64 |
| 2020 | 57 | 84 |
| 2021 | 48 | 83 |
| 2022 | 59 | 65 |
| 2023 | 45 | 80 |
| 2024 | 53 | 55 |
| 2025 | 53 | 65 |
| 2026 | 24 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Freshening compositions comprising controlled release modulators29 Sep 2026US 12,746,302 B2Arylessence, Inc.
- Enhanced dispenser control22 Sep 2026US 12,741,047 B2Pura Scents, Inc.
- Fragrance presentation device, fragrance presentation system, and management device25 Aug 2026US 12,714,764 B2Sony Group Corporation
- Candle and method of making thereof18 Aug 2026US 12,709,717 B2S. C. Johnson & Son, Inc.
- Lighting element with insect repelling element21 Jul 2026US 12,685,303 B2PIC Corporation
- 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 and method for diffusing volatile substances17 Sep 2026US 2026/0273123 A1Zobele Holding SPA
Most cited
By later US patents
- Flavor generation device563US 6,125,853 AJapan Tobacco Inc. · 2000
- Oil lamp with fragrance emanator201US 5,840,246 AReckitt & Colman Inc. · 1998
- Devices for presenting airborne materials to the nose197US 6,325,475 B1MicroFab Technologies, Inc. · 2001
- Night light air freshener170US 6,478,440 B1S. C. Johnson & Son, Inc. · 2002
- Color changing light devices with active ingredient and sound emission for mood enhancement169US 7,476,002 B2S. C. Johnson & Son, Inc. · 2009