F01N 3/2086
Activating the catalyst by light, photo-catalysts
Official title: {Activating the catalyst by light, photo-catalysts}
F01N3/2086 (Activating the catalyst by light, photo-catalysts) appears on 35 US grants and 34 published applications in this corpus.
Search patents in F01N- Granted patents
- 35
- Published applications
- 34
- Assignees
- 30
- Inventors
- 101
- Latest grant
- 16 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 5 |
| 2006 | 2 | 3 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 2 | 3 |
| 2020 | 1 | 3 |
| 2021 | 5 | 3 |
| 2022 | 2 | 4 |
| 2023 | 2 | 0 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Device increasing engine efficiency and reducing exhaust and noise16 Jul 2024US 12,037,931 B2
- Control of engine enthalpy for catalytic converter light-off30 Jan 2024US 11,885,253 B1GM Global Technology Operations LLC
- Device for reducing pollutants in a gaseous mixture27 Jun 2023US 11,684,690 B2Consorzio Coltech
- Muffler including an internal photocatalyst and a light source20 Jun 2023US 11,680,506 B2Pure-Light Technologies, Inc.
- Process and arrangement for reducing carbon dioxide in combustion exhaust gases1 Nov 2022US 11,484,835 B2Green Fossil Technologies AB
- A device increasing engine efficiency and reducing exhaust and noise18 Apr 2024US 2024/0125261 A1
- Photocatalytic capsule to be used in the improvement of fuel properties6 Oct 2022US 2022/0316381 A1Ondokuz Mayis Universitesi
- Method and apparatus for alkane oxidation4 Aug 2022US 2022/0241725 A1
- Process and arrangement for reducing carbon dioxide in combustion exhaust gases24 Feb 2022US 2022/0054979 A1Green Fossil Technologies AB
- Muffler including an internal photocatalyst and a light source10 Feb 2022US 2022/0042440 A1Pure-Light Technologies, Inc.
Most cited
By later US patents
- Method for purifying exhaust gases53US 6,153,159 AVolkswagen Aktiengesellschaft · 2000
- Glass material for carrying a photocatalyst, filter device using the same and light irradiating method45US 6,468,428 B1Hoya Corporation · 2002
- Three-dimensional, photocatalytic filter apparatus41US 6,238,631 B1Tao Inc. · 2001
- Method and apparatus for using hydroxyl to reduce pollutants in the exhaust gases from the combustion of a fuel28US 6,048,500 ALitex, Inc. · 2000
- Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines26US 5,480,524 A1996