F01N 3/2832
Granular
Official title: {granular, e.g. pellets}
F01N3/2832 (Granular) appears on 41 US grants and 35 published applications in this corpus.
Search patents in F01N- Granted patents
- 41
- Published applications
- 35
- Assignees
- 40
- Inventors
- 144
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 0 | 0 |
| 2011 | 2 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 5 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 4 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methane combustion catalyst, method for producing the same and method for purifying combustion exhaust gas20 Jan 2026US 12,528,075 B2Tanaka Kikinzoku Kogyo K.K.
- Exhaust gas purification catalyst composition and exhaust gas purification catalyst16 Jan 2024US 11,872,540 B2Mitsui Mining & Smelting Co., Ltd.
- Fluid chamber thermal management system and/or method16 Jan 2024US 11,873,748 B2Echeneidae Inc.
- Honeycomb structure26 Jul 2022US 11,396,009 B2NGK Insulators, Ltd.
- NOx trap catalyst support material composition12 Jul 2022US 11,383,223 B2Sasol Germany GmbH
- Honeycomb structure20 Aug 2026US 2026/0241375 A1NGK Insulators, Ltd.
- Methane combustion catalyst, method for producing the same and method for purifying combustion exhaust gas8 Jun 2023US 2023/0173464 A1Tanaka Kikinzoku Kogyo K.K.
- Fluid chamber thermal management system and/or method13 Apr 2023US 2023/0110734 A1Echeneidae Inc.
- Exhaust gas purification catalyst composition and exhaust gas purification catalyst22 Dec 2022US 2022/0401923 A1Mitsui Mining & Smelting Co., Ltd.
- NOx Trap Catalyst Support Material Composition6 Feb 2020US 2020/0038841 A1Sasol Germany GmbH
Most cited
By later US patents
- Method for purifying exhaust gases53US 6,153,159 AVolkswagen Aktiengesellschaft · 2000
- Composite catalyst bed and method for making the same49US 4,027,476 ARocket Research Company · 1977
- High-temperature resistant molded catalysts and process for their production48US 4,870,045 ADynamit Nobel Aktiengesellschaft · 1989
- Two-stage catalysis of engine exhaust36US 4,188,364 ACaterpillar Tractor Co. · 1980
- Monolithic catalyst support member23US 3,948,810 AUniversal Oil Products Company · 1976