A61L 2209/11
Apparatus for controlling air treatment
A61L2209/11 (Apparatus for controlling air treatment) appears on 1,353 US grants and 2,342 published applications in this corpus.
Search patents in A61L- Granted patents
- 1,353
- Published applications
- 2,342
- Assignees
- 982
- Inventors
- 3,750
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 4 |
| 2010 | 7 | 37 |
| 2011 | 10 | 31 |
| 2012 | 14 | 36 |
| 2013 | 20 | 33 |
| 2014 | 26 | 62 |
| 2015 | 29 | 42 |
| 2016 | 52 | 60 |
| 2017 | 43 | 112 |
| 2018 | 59 | 130 |
| 2019 | 88 | 121 |
| 2020 | 104 | 176 |
| 2021 | 119 | 232 |
| 2022 | 133 | 419 |
| 2023 | 143 | 333 |
| 2024 | 178 | 247 |
| 2025 | 205 | 165 |
| 2026 | 120 | 93 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-component variable control fragrance dispensing system apparatus6 Oct 2026US 12,752,032 B2Creative Elements NY LLC
- System and method of disinfection6 Oct 2026US 12,752,033 B2UV Partners, Inc.
- Apparatus and method for disinfecting fluids29 Sep 2026US 12,747,169 B2Hiigenz LLC
- Enhanced dispenser control22 Sep 2026US 12,741,047 B2Pura Scents, Inc.
- Odor removal device22 Sep 2026US 12,741,050 B2Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
- Volatile composition dispenser and methods of using same8 Oct 2026US 2026/0306690 A1The Procter & Gamble Company
- Scent control device and methods for treating an environment1 Oct 2026US 2026/0295106 A1
- Modular ozone-based disinfection system with selectively controlled ozone-to-hydroxyl-radical treatment ratio17 Sep 2026US 2026/0273122 A1BioSure North America LLC
- System for blending a fragrance17 Sep 2026US 2026/0273485 A1SoftBank Group Corp.
- Deodorization apparatus and method17 Sep 2026US 2026/0273799 A1Piovan S.P.A.
Most cited
By later US patents
- Surgical evacuation system with a communication circuit for communication between a filter and a smoke evacuation device165US 10,898,622 B2Ethicon, Inc. · 2021
- Apparatus and method for controllably dispensing drops of liquid130US 5,449,117 ATechnical Concepts, LLC · 1995
- Systems, methods and articles for enhancing wellness associated with habitable environments102US 9,715,242 B2Delos Living LLC · 2017
- Single-emitter lighting device that outputs a minimum amount of power to produce integrated radiance values sufficient for deactivating pathogens84US 9,700,641 B2Kenall Manufacturing Company · 2017
- System and method of controlling operation of a liquid diffusion appliance76US 7,930,068 B2Prolitec Inc. · 2011