A61L 2209/16
Connections to a hvac unit
Official title: Connections to a HVAC unit
A61L2209/16 (Connections to a hvac unit) appears on 494 US grants and 872 published applications in this corpus.
Search patents in A61L- Granted patents
- 494
- Published applications
- 872
- Assignees
- 379
- Inventors
- 1,528
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 14 |
| 2011 | 3 | 15 |
| 2012 | 3 | 12 |
| 2013 | 10 | 10 |
| 2014 | 12 | 20 |
| 2015 | 10 | 30 |
| 2016 | 24 | 32 |
| 2017 | 16 | 35 |
| 2018 | 21 | 51 |
| 2019 | 33 | 36 |
| 2020 | 36 | 51 |
| 2021 | 39 | 95 |
| 2022 | 43 | 156 |
| 2023 | 69 | 142 |
| 2024 | 60 | 85 |
| 2025 | 70 | 52 |
| 2026 | 45 | 31 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Portable breathing air filtering device and method6 Oct 2026US 12,752,231 B2King Abdullah University of Science and Technology
- Photocatalytic and photo(electro)catalytic approaches for viral decontamination22 Sep 2026US 12,741,049 B2Nevada Research & Innovation Corporation
- Ion generator and system with mobile HVAC1 Sep 2026US 12,722,161 B2Dometic Sweden AB
- Air flow treatment system and method for ventilation systems18 Aug 2026US 12,708,686 B2Jerome Canady Research Institute for Advanced Biological and Technological Sciences
- Air/surface cleaning apparatus particularly configured for under-seat installation and operation within an occupied passenger bus18 Aug 2026US 12,708,693 B2Radical Clean Solutions Ltd.
- Scent control device and methods for treating an environment1 Oct 2026US 2026/0295106 A1
- Method and coanda-effect apparatus for enhanced upper-air uv-c air sanitation27 Aug 2026US 2026/0251340 A1
- Methods, systems, and apparatus for sterilization, disinfection, and purification20 Aug 2026US 2026/0241053 A1
- Ion generator device13 Aug 2026US 2026/0232863 A1
- Water and air disinfection integrated in a niti based system6 Aug 2026US 2026/0224765 A1Exergyn Ltd.
Most cited
By later US patents
- Systems and methods of air treatment using bipolar ionization43US 8,564,924 B1Global Plasma Solutions, Inc. · 2013
- Air filtration device39US 8,252,099 B2LifeAire Systems, LLC · 2012
- Method and system for conditioning air in an enclosed environment with distributed air circulation systems38US 9,316,410 B2Enverid Systems, Inc. · 2016
- Methods of purifying air37US 9,522,210 B2LifeAire Systems, LLC · 2016
- Method and system of a networked scent diffusion device36US 10,814,028 B2Scentbridge Holdings, LLC · 2020