B60H 2003/0675
Photocatalytic filters
Official title: {Photocatalytic filters}
B60H2003/0675 (Photocatalytic filters) appears on 49 US grants and 76 published applications in this corpus.
Search patents in B60H- Granted patents
- 49
- Published applications
- 76
- Assignees
- 53
- Inventors
- 208
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 8 |
| 2006 | 1 | 4 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 6 |
| 2018 | 3 | 2 |
| 2019 | 2 | 5 |
| 2020 | 2 | 4 |
| 2021 | 2 | 11 |
| 2022 | 3 | 9 |
| 2023 | 8 | 8 |
| 2024 | 4 | 8 |
| 2025 | 5 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air cleaning device28 Apr 2026US 12,611,481 B2Alps Alpine Co., Ltd.
- Vehicle air conditioner having photocatalyst module14 Apr 2026US 12,600,203 B2Hanon Systems
- Vehicle air conditioner having photocatalyst module24 Feb 2026US 12,558,944 B2Hanon Systems
- Method of preventing air pollution in vehicle21 Oct 2025US 12,447,803 B2Microjet Technology Co., Ltd.
- System for decontamination of a vehicle interior23 Sep 2025US 12,419,986 B1Precision Combustion, Inc.
- System for purifying air in a closed storage/transport space5 Jun 2025US 2025/0177920 A1LumiPROline Finland Oy
- Cabin air filter system for a vehicle and method for cleaning air supplied to a vehicle cabin30 Jan 2025US 2025/0032968 A1Mann+Hummel GmbH
- Building ventilation system14 Nov 2024US 2024/0377098 A1
- Hands-free cabin purification system for a vehicle3 Oct 2024US 2024/0326564 A1Fca US LLC
- Photocatalyst device4 Jul 2024US 2024/0216567 A1
Most cited
By later US patents
- Titanium dioxide photo-catalyzer130US 5,919,422 AToyoda Gosei Co., Ltd. · 1999
- Air-purifying filter and air-purifier for automobile69US 5,948,355 AAisin Aw Co., Ltd. · 1999
- Back-side illuminated organic pollutant removal system36US 5,865,959 AUnited Technologies Corporation · 1999
- Air purifier30US 8,440,143 B2Nordea Bank AB (publ) · 2013
- Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines26US 5,480,524 A1996