A24F 40/85
Maintenance
Official title: Maintenance, e.g. cleaning
A24F40/85 (Maintenance) appears on 124 US grants and 256 published applications in this corpus.
Search patents in A24F- Granted patents
- 124
- Published applications
- 256
- Assignees
- 56
- Inventors
- 388
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 4 |
| 2016 | 1 | 5 |
| 2017 | 2 | 4 |
| 2018 | 2 | 7 |
| 2019 | 2 | 4 |
| 2020 | 2 | 21 |
| 2021 | 10 | 33 |
| 2022 | 14 | 47 |
| 2023 | 11 | 26 |
| 2024 | 29 | 31 |
| 2025 | 30 | 32 |
| 2026 | 11 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air pressure measurement to detect an obstruction in an airflow path6 Oct 2026US 12,751,496 B2Philip Morris Products S. A.
- Aerosol generating device and method for providing adaptive feedback through puff recognition18 Aug 2026US 12,708,143 B2Kt&G Corporation
- Cleaning tool with a torque limiter23 Jun 2026US 12,660,862 B2Philip Morris Products S. A.
- Apparatus for heating aerosolizable material9 Jun 2026US 12,648,593 B2Nicoventures Trading Limited
- Article including identification information for use in an electrically heated smoking system12 May 2026US 12,623,260 B2Philip Morris USA Inc.
- Aerosol generating device8 Oct 2026US 2026/0305689 A1Beijing WONZ Technology Co. Ltd
- Centrifugal system for oil cartridge and methods thereof8 Oct 2026US 2026/0305725 A1Cart Again LLC
- A Cleaning Tool for Cleaning an Aerosol Generating Device and an Aerosol Generating System Comprising a Cleaning Tool8 Oct 2026US 2026/0305726 A1JT International SA
- Housing Portion, Aerosol Generation Device, and Method10 Sep 2026US 2026/0262714 A1JT International SA
- Aerosol-Generating Device with Anti-Residue Surface3 Sep 2026US 2026/0256216 A1JT International SA
Most cited
By later US patents
- Method and apparatus for using, cleaning, and maintaining electrical heat sources and lighters useful in smoking systems and other apparatuses852US 5,878,752 APhilip Morris Incorporated · 1999
- Inductive cleaning system for removing condensates from electronic smoking systems241US 6,803,550 B2Philip Morris USA Inc. · 2004
- Inductive heating magnetic structure for removing condensates from electrical smoking device227US 7,185,659 B2Philip Morris USA Inc. · 2007
- Brush cleaning unit for the heater fixture of a smoking device213US 6,418,938 B1Philip Morris Incorporated · 2002
- Article including identification information for use in an electrically heated smoking system210US 8,689,804 B2Philip Morris USA Inc. · 2014