F01N 2510/0684
Having more than one coating layer
Official title: having more than one coating layer, e.g. multi-layered coatings
F01N2510/0684 (Having more than one coating layer) appears on 314 US grants and 453 published applications in this corpus.
Search patents in F01N- Granted patents
- 314
- Published applications
- 453
- Assignees
- 88
- Inventors
- 793
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 3 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 4 |
| 2008 | 1 | 8 |
| 2009 | 0 | 7 |
| 2010 | 6 | 14 |
| 2011 | 3 | 15 |
| 2012 | 8 | 17 |
| 2013 | 12 | 15 |
| 2014 | 15 | 23 |
| 2015 | 20 | 21 |
| 2016 | 16 | 16 |
| 2017 | 21 | 23 |
| 2018 | 17 | 36 |
| 2019 | 24 | 38 |
| 2020 | 28 | 39 |
| 2021 | 28 | 36 |
| 2022 | 31 | 35 |
| 2023 | 27 | 31 |
| 2024 | 18 | 37 |
| 2025 | 26 | 15 |
| 2026 | 6 | 17 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing exhaust gas purification catalyst29 Sep 2026US 12,746,538 B2Cataler Corporation
- Composite, zoned oxidation catalyst for a compression ignition internal combustion engine25 Aug 2026US 12,714,990 B2Johnson Matthey Public Limited Company
- Particulate filter28 Jul 2026US 12,691,414 B2Cataler Corporation
- Performance enhancement of a platinum-containing catalyst via exhaust gas hydrogen enrichment16 Jun 2026US 12,654,160 B2BASF Mobile Emissions Catalysts LLC
- Exhaust gas purification catalyst device7 Apr 2026US 12,594,525 B2Cataler Corporation
- Exhaust Gas Purification Catalyst20 Aug 2026US 2026/0243188 A1Cataler Corporation
- A multifunctional catalyst system30 Jul 2026US 2026/0216650 A1Dinex A/S
- Exhaust gas purification catalyst30 Jul 2026US 2026/0216702 A1Mitsui Mining & Smelting Co., Ltd.
- Method for Manufacturing Exhaust Gas Purification Catalyst30 Jul 2026US 2026/0216717 A1Cataler Corporation
- Ammonia oxidation catalyst with zoned scr inlet and pgm outlet for gasoline applications23 Jul 2026US 2026/0208105 A1BASF SE
Most cited
By later US patents
- Integrated NOx and PM reduction devices for the treatment of emissions from internal combustion engines116US 7,062,904 B1Eaton Corporation · 2006
- Zeolite-containing oxidation catalyst and method of use67US 6,248,684 B1Englehard Corporation · 2001
- Layered catalyst composite66US 7,758,834 B2BASF SE · 2010
- Engine exhaust catalysts containing palladium-gold53US 8,258,070 B2WGCH Technology Limited · 2012
- Zeolite-containing oxidation catalyst and method of use43US 6,274,107 B1Engelhard Corporation · 2001