F01N 2900/1626
Catalyst activation temperature
F01N2900/1626 (Catalyst activation temperature) appears on 135 US grants and 145 published applications in this corpus.
Search patents in F01N- Granted patents
- 135
- Published applications
- 145
- Assignees
- 61
- Inventors
- 348
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 5 |
| 2013 | 0 | 3 |
| 2014 | 4 | 1 |
| 2015 | 3 | 8 |
| 2016 | 8 | 7 |
| 2017 | 9 | 8 |
| 2018 | 6 | 10 |
| 2019 | 8 | 13 |
| 2020 | 13 | 21 |
| 2021 | 17 | 13 |
| 2022 | 17 | 14 |
| 2023 | 14 | 14 |
| 2024 | 18 | 12 |
| 2025 | 16 | 7 |
| 2026 | 1 | 7 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Robust control systems and methods of catalyst temperature stability with heater assistance28 Apr 2026US 12,612,870 B2Cummins Inc.
- Systems and methods for forecasting aftertreatment temperatures over a horizon2 Dec 2025US 12,486,815 B2Cummins Inc.
- Two-stroke engine assembly having a catalytic converter and method for controlling same7 Oct 2025US 12,435,677 B2Bombardier Recreational Products Inc.
- Systems and methods for cold operation NOx burden reduction23 Sep 2025US 12,421,910 B2Cummins Inc.
- Systems and methods for managing ammonia slip with a heater29 Jul 2025US 12,372,019 B2Cummins Inc.
- Robust control systems and methods of catalyst temperature stability with heater assistance13 Aug 2026US 2026/0235060 A1Cummins Inc.
- Engine exhaust gas purification apparatus11 Jun 2026US 2026/0160213 A1Mazda Motor Corporation
- Catalyst preheating system23 Apr 2026US 2026/0110258 A1Fca US LLC
- Engine power generation system control device2 Apr 2026US 2026/0092569 A1Hitachi, Ltd.
- Automatic battery connection switching5 Mar 2026US 2026/0061888 A1CPS Technology Holdings LLC
Most cited
By later US patents
- Method for cold start emissions diagnostic11US 10,352,223 B2GM Global Technology Operations LLC · 2019
- Diagnosing oxidation catalyst device with hydrocarbon storage11US 9,879,587 B2GM Global Technology Operations LLC · 2018
- Methods and systems for engine exhaust catalyst operations8US 11,519,313 B1Ford Global Technologies, LLC · 2022
- Aftertreatment system having two SCR catalysts8US 8,997,461 B2Cummins Emission Solutions Inc. · 2015
- Mult-mode controls for engines systems including SCR aftertreatment8US 9,909,517 B2Cummins Inc. · 2018