F01N 2510/0682
Having a discontinuous, uneven or partially overlapping coating of catalytic material
Official title: having a discontinuous, uneven or partially overlapping coating of catalytic material, e.g. higher amount of material upstream than downstream or vice versa
F01N2510/0682 (Having a discontinuous, uneven or partially overlapping coating of catalytic material) appears on 376 US grants and 495 published applications in this corpus.
Search patents in F01N- Granted patents
- 376
- Published applications
- 495
- Assignees
- 107
- Inventors
- 841
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 7 |
| 2006 | 4 | 2 |
| 2007 | 1 | 12 |
| 2008 | 0 | 18 |
| 2009 | 5 | 26 |
| 2010 | 13 | 31 |
| 2011 | 11 | 32 |
| 2012 | 20 | 18 |
| 2013 | 19 | 13 |
| 2014 | 23 | 31 |
| 2015 | 18 | 29 |
| 2016 | 30 | 22 |
| 2017 | 31 | 26 |
| 2018 | 21 | 27 |
| 2019 | 26 | 32 |
| 2020 | 23 | 37 |
| 2021 | 30 | 26 |
| 2022 | 29 | 31 |
| 2023 | 19 | 22 |
| 2024 | 13 | 29 |
| 2025 | 26 | 12 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite, zoned oxidation catalyst for a compression ignition internal combustion engine25 Aug 2026US 12,714,990 B2Johnson Matthey Public Limited Company
- Performance enhancement of a platinum-containing catalyst via exhaust gas hydrogen enrichment16 Jun 2026US 12,654,160 B2BASF Mobile Emissions Catalysts LLC
- Emission treatment catalysts, systems and methods26 May 2026US 12,636,613 B2BASF Mobile Emissions Catalysts LLC
- Exhaust gas purification catalyst device7 Apr 2026US 12,594,525 B2Cataler Corporation
- Aftertreatment system17 Mar 2026US 12,577,899 B2Cummins Inc.
- Exhaust Gas Purification Catalyst20 Aug 2026US 2026/0243188 A1Cataler Corporation
- Exhaust Gas Purification Catalyst23 Jul 2026US 2026/0208107 A1Cataler Corporation
- Catalyst for Exhaust Gas Purification9 Apr 2026US 2026/0097363 A1Cataler Corporation
- Catalyst body and exhaust gas aftertreatment system12 Feb 2026US 2026/0042061 A1Cummins Inc.
- Catalytic wall flow filter2 Oct 2025US 2025/0303402 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- Catalytic wall-flow filter103US 6,753,294 B1Johnson Matthey Public Limited Company · 2004
- Ceramic honeycomb filter for purifying exhaust gases93US 4,857,089 ANGK Insulators, Ltd. · 1989
- Engine exhaust catalysts containing palladium-gold79US 7,709,414 B2Nanostellar, Inc. · 2010
- Diesel oxidation catalyst composite with layer structure for carbon monoxide and hydrocarbon conversion79US 8,211,392 B2BASF SE · 2012
- Engine exhaust catalysts containing palladium-gold70US 7,534,738 B2Nanostellar, Inc. · 2009