F01N 2240/40
A hydrolysis catalyst
Official title: a hydrolysis catalyst
F01N2240/40 (A hydrolysis catalyst) appears on 134 US grants and 174 published applications in this corpus.
Search patents in F01N- Granted patents
- 134
- Published applications
- 174
- Assignees
- 94
- Inventors
- 377
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 3 | 4 |
| 2004 | 1 | 5 |
| 2005 | 7 | 2 |
| 2006 | 2 | 3 |
| 2007 | 0 | 7 |
| 2008 | 4 | 16 |
| 2009 | 3 | 23 |
| 2010 | 4 | 9 |
| 2011 | 10 | 16 |
| 2012 | 12 | 3 |
| 2013 | 12 | 7 |
| 2014 | 9 | 6 |
| 2015 | 6 | 5 |
| 2016 | 7 | 6 |
| 2017 | 6 | 17 |
| 2018 | 3 | 5 |
| 2019 | 6 | 4 |
| 2020 | 3 | 12 |
| 2021 | 10 | 9 |
| 2022 | 6 | 4 |
| 2023 | 6 | 4 |
| 2024 | 3 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen oxidation catalysts for hydrogen-internal combustion engine systems13 Jan 2026US 12,523,169 B2BASF Mobile Emissions Catalysts LLC
- Device and method for exhaust gas post treatment and use thereof1 Jul 2025US 12,345,191 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Cold start catalyst light-off1 Apr 2025US 12,264,633 B1Fca US LLC
- Inline filter assembly with purge valving13 Aug 2024US 12,060,821 B2Cummins Emission Solutions Inc.
- Systems and methods for the on-board catalytic production of hydrogen from ammonia using a heat exchange catalyst unit and an electric catalyst unit operating in series14 May 2024US 11,981,562 B2First Ammonia Motors, Inc.
- Reductant delivery system, exhaust treatment system and vehicle comprising the exhaust treatment system26 Feb 2026US 2026/0055718 A1Scania CV AB
- Hydrogen oxidation catalysts for hydrogen-internal combustion engine systems5 Jun 2025US 2025/0179952 A1BASF SE
- Cold start catalyst light-off3 Apr 2025US 2025/0109718 A1Fca US LLC
- Systems and methods for the on-board catalytic production of hydrogen from ammonia using a heat exchange catalyst unit and an electric catalyst unit operating in series8 Feb 2024US 2024/0043268 A1First Ammonia Motors, Inc.
- Reductant dosing system with calibration value determined based on data from pressure sensor assembly and method of calibrating a reductant dosing system7 Dec 2023US 2023/0392533 A1Cummins Emission Solutions Inc.
Most cited
By later US patents
- Method and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas153US 5,628,186 ASiemens Aktiengesellschaft · 1997
- Process and device for the catalytic cleaning of the exhaust gas from a combustion plant84US 6,444,177 B1Siemens Aktiengesellschaft · 2002
- Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction74US 6,361,754 B1Clean Diesel Technologies, Inc. · 2002
- Impactor for selective catalytic reduction system73US 6,601,385 B2Fleetguard, Inc. · 2003
- Thermal management of exhaust systems57US 6,871,489 B2Arvin Technologies, Inc. · 2005