F01N 2900/0414
Using a state observer
Official title: using a state observer
F01N2900/0414 (Using a state observer) appears on 40 US grants and 46 published applications in this corpus.
Search patents in F01N- Granted patents
- 40
- Published applications
- 46
- Assignees
- 25
- Inventors
- 117
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 5 |
| 2016 | 3 | 7 |
| 2017 | 8 | 7 |
| 2018 | 8 | 1 |
| 2019 | 1 | 4 |
| 2020 | 3 | 4 |
| 2021 | 3 | 4 |
| 2022 | 3 | 0 |
| 2023 | 0 | 3 |
| 2024 | 4 | 5 |
| 2025 | 3 | 3 |
| 2026 | 2 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Aftertreatment heater management for efficient thermal management21 Apr 2026US 12,607,139 B2Cummins Inc.
- Computer-implemented method for detecting a fault in a selective catalytic reducer assembly10 Mar 2026US 12,571,336 B2Volvo Truck Corporation
- Exhaust gas purification control device7 Oct 2025US 12,435,652 B2Denso Corporation
- Vehicle emissions management1 Jul 2025US 12,345,185 B2Cummins Inc.
- Systems and methods for controlling exhaust gas emissions of a multiple SCR aftertreatment system17 Jun 2025US 12,331,673 B2Cummins Inc.
- Systems and methods for controlling exhaust gas emissions of a multiple scr aftertreatment system28 Aug 2025US 2025/0270949 A1Cummins Inc.
- Turbine Dosing System with Bypass Delivery24 Jul 2025US 2025/0237163 A1Cummins Emission Solutions Inc.
- Aftertreatment heater management for efficient thermal management20 Mar 2025US 2025/0092807 A1Cummins Inc.
- Computer-implemented method for detecting a fault in a selective catalytic reducer assembly28 Nov 2024US 2024/0392716 A1Volvo Truck Corporation
- Vehicle emissions management1 Aug 2024US 2024/0254909 A1Cummins Inc.
Most cited
By later US patents
- System, method, and apparatus for managing aftertreatment temperature21US 9,670,855 B2Cummins Inc. · 2017
- Exhaust aftertreatment system diagnostic and conditioning16US 10,508,582 B2Cummins IP, Inc. · 2019
- Exhaust aftertreatment system diagnostic and conditioning14US 9,708,960 B2Cummins IP, Inc. · 2017
- Method and device for dynamic monitoring of gas sensors13US 10,060,894 B2Robert Bosch GmbH · 2018
- Method for correcting an estimate of NH3 stored within a selective catalyst reduction system12US 8,281,578 B2Ford Global Technologies, LLC · 2012