F01N 3/2828
Ceramic multi-channel monoliths
Official title: {Ceramic multi-channel monoliths, e.g. honeycombs}
F01N3/2828 (Ceramic multi-channel monoliths) appears on 940 US grants and 1,045 published applications in this corpus.
Search patents in F01N- Granted patents
- 940
- Published applications
- 1,045
- Assignees
- 231
- Inventors
- 1,721
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 7 |
| 2002 | 9 | 18 |
| 2003 | 15 | 28 |
| 2004 | 15 | 37 |
| 2005 | 13 | 46 |
| 2006 | 21 | 37 |
| 2007 | 16 | 34 |
| 2008 | 22 | 34 |
| 2009 | 26 | 56 |
| 2010 | 31 | 28 |
| 2011 | 35 | 27 |
| 2012 | 28 | 23 |
| 2013 | 26 | 19 |
| 2014 | 23 | 55 |
| 2015 | 35 | 55 |
| 2016 | 41 | 38 |
| 2017 | 40 | 69 |
| 2018 | 34 | 63 |
| 2019 | 61 | 72 |
| 2020 | 61 | 49 |
| 2021 | 51 | 49 |
| 2022 | 48 | 65 |
| 2023 | 36 | 68 |
| 2024 | 38 | 37 |
| 2025 | 38 | 15 |
| 2026 | 24 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust gas purification device and method for manufacturing exhaust gas purification device29 Sep 2026US 12,746,533 B2Cataler Corporation
- Method for manufacturing exhaust gas purification catalyst29 Sep 2026US 12,746,538 B2Cataler Corporation
- Honeycomb structure8 Sep 2026US 12,728,377 B2NGK Insulators, Ltd.
- Catalytic material for treating an exhaust gas produced by a natural gas engine1 Sep 2026US 12,722,145 B2Johnson Matthey Public Limited Company
- Composite, zoned oxidation catalyst for a compression ignition internal combustion engine25 Aug 2026US 12,714,990 B2Johnson Matthey Public Limited Company
- Honeycomb structure20 Aug 2026US 2026/0241375 A1NGK Insulators, Ltd.
- 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
Most cited
By later US patents
- Method and apparatus for treating an engine exhaust gas stream154US 6,171,556 B2Engelhard Corporation · 2001
- Catalyzed SCR filter and emission treatment system132US 7,229,597 B2BASFD Catalysts LLC · 2007
- Method for producing ceramic honeycomb filters127US 4,293,357 ANGK Insulators, Ltd. · 1981
- Monolithic catalyst member and support therefor105US 4,335,023 AEngelhard Corporation · 1982
- Ceramic honeycomb filter for purifying exhaust gases93US 4,857,089 ANGK Insulators, Ltd. · 1989