A61L 2209/132
Piezo or ultrasonic elements for dispensing
A61L2209/132 (Piezo or ultrasonic elements for dispensing) appears on 213 US grants and 349 published applications in this corpus.
Search patents in A61L- Granted patents
- 213
- Published applications
- 349
- Assignees
- 148
- Inventors
- 542
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 6 |
| 2011 | 6 | 9 |
| 2012 | 6 | 3 |
| 2013 | 5 | 11 |
| 2014 | 2 | 9 |
| 2015 | 5 | 18 |
| 2016 | 11 | 21 |
| 2017 | 9 | 31 |
| 2018 | 19 | 29 |
| 2019 | 26 | 29 |
| 2020 | 28 | 33 |
| 2021 | 24 | 30 |
| 2022 | 13 | 27 |
| 2023 | 16 | 32 |
| 2024 | 15 | 17 |
| 2025 | 19 | 14 |
| 2026 | 5 | 17 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Air fragrance diffuser system for automobile18 Aug 2026US 12,709,136 B2
- Atomization bottle and liquid atomization device including the atomization bottle14 Apr 2026US 12,599,924 B2Novacorp Inc.
- System and method for generating olfactory stimuli24 Feb 2026US 12,558,617 B2OVR Tech, LLC
- Aroma diffuser10 Feb 2026US 12,544,478 B1Shenzhen Suntek Electronic Co., Ltd.
- Recycling aromatherapy device3 Feb 2026US 12,539,346 B2Lifelines, LLC
- Devices and methods for controlled release of volatile active ingredients8 Oct 2026US 2026/0305602 A1
- Disinfecting apparatus1 Oct 2026US 2026/0295108 A1Specialist Health Solutions Limited
- Method for producing negative ion device for preventing and treating airborne transmission virus infections13 Aug 2026US 2026/0232862 A1
- Systems and techniques for generating scent23 Jul 2026US 2026/0208037 A1OVR Tech, LLC
- Volatile composition dispenser25 Jun 2026US 2026/0174921 A1The Procter & Gamble Company
Most cited
By later US patents
- Multipurpose cartridge-based liquid dispensing air freshener system69US 8,170,405 B22012
- Methods and apparatus for localized delivery of scented aerosols60US 6,357,726 B1MicroScent, LLC · 2002
- Volatile material dispenser and method of emitting a volatile material58US 9,278,365 B2S. C. Johnson & Son, Inc. · 2016
- Atomizer53US 9,415,412 B2Sumitomo Chemical Company, Limited · 2016
- Aromatic nebulizing diffuser46US 8,196,903 B22012