F01N 2900/1622
Catalyst reducing agent absorption capacity or consumption amount
F01N2900/1622 (Catalyst reducing agent absorption capacity or consumption amount) appears on 331 US grants and 375 published applications in this corpus.
Search patents in F01N- Granted patents
- 331
- Published applications
- 375
- Assignees
- 90
- Inventors
- 636
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 8 |
| 2006 | 6 | 3 |
| 2007 | 1 | 6 |
| 2008 | 1 | 6 |
| 2009 | 5 | 19 |
| 2010 | 5 | 29 |
| 2011 | 9 | 31 |
| 2012 | 23 | 20 |
| 2013 | 30 | 19 |
| 2014 | 20 | 12 |
| 2015 | 19 | 28 |
| 2016 | 22 | 22 |
| 2017 | 30 | 30 |
| 2018 | 26 | 21 |
| 2019 | 25 | 32 |
| 2020 | 18 | 17 |
| 2021 | 18 | 10 |
| 2022 | 17 | 18 |
| 2023 | 15 | 17 |
| 2024 | 16 | 11 |
| 2025 | 9 | 7 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods to assess state-of-health of an exhaust gas constituent capture device28 Jul 2026US 12,692,811 B2Cummins Inc.
- Purification system24 Mar 2026US 12,584,432 B2Isuzu Motors Limited
- Method for exhaust gas after-treatment of an internal combustion engine having at least one SCR catalyst27 Jan 2026US 12,535,024 B2Robert Bosch GmbH
- Systems and methods for diagnosing NOx sensor based on ammonia slip6 Jan 2026US 12,516,620 B2Cummins Inc.
- Systems and methods for cold operation NOx burden reduction23 Sep 2025US 12,421,910 B2Cummins Inc.
- Systems and methods for managing ammonia slip in an aftertreatment system5 Mar 2026US 2026/0063060 A1Cummins Inc.
- Systems including a hydrogen internal combustion engine and aftertreatment system2 Oct 2025US 2025/0305431 A1Cummins Emission Solutions Inc.
- Systems and methods for measuring exhaust gas species and catalyst nox storage for catalyst-related controls and diagnostics25 Sep 2025US 2025/0297564 A1Cummins Inc.
- Purification system21 Aug 2025US 2025/0264046 A1Isuzu Motors Limited
- Method for Exhaust Gas After-Treatment of an Internal Combustion Engine Having at Least One SCR Catalyst26 Jun 2025US 2025/0207521 A1Robert Bosch GmbH
Most cited
By later US patents
- Control system for mobile NOx SCR applications125US 6,415,602 B1Engelhard Corporation · 2002
- Method for determining catalyst cool down temperature106US 6,742,330 B2Engelhard Corporation · 2004
- Exhaust gas aftertreatment systems71US 7,093,427 B2Ford Global Technologies, LLC · 2006
- Exhaust gas aftertreatment device for internal combustion engines70US 5,369,956 AMercedes-Benz AG · 1994
- Control system for mobile NOx SCR applications64US 6,662,553 B2Engelhard Corporation · 2003