F01N 2900/1821
Injector parameters
F01N2900/1821 (Injector parameters) appears on 126 US grants and 141 published applications in this corpus.
Search patents in F01N- Granted patents
- 126
- Published applications
- 141
- Assignees
- 53
- Inventors
- 279
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 6 |
| 2014 | 4 | 6 |
| 2015 | 8 | 8 |
| 2016 | 4 | 4 |
| 2017 | 8 | 8 |
| 2018 | 8 | 23 |
| 2019 | 21 | 17 |
| 2020 | 16 | 14 |
| 2021 | 10 | 17 |
| 2022 | 11 | 6 |
| 2023 | 14 | 13 |
| 2024 | 11 | 5 |
| 2025 | 5 | 7 |
| 2026 | 5 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Nitrogen oxides reduction agent injection arrangement19 May 2026US 12,631,135 B2Volvo Truck Corporation
- Exhaust gas treatment system and method10 Feb 2026US 12,544,716 B2SodaFlexx Distribution LLP
- Method for controlling the operation of a hydrogen combustion engine system3 Feb 2026US 12,540,568 B2Volvo Truck Corporation
- Model predictive control for aftertreatment regeneration3 Feb 2026US 12,540,570 B2Caterpillar Inc.
- Motor vehicle provided with an after-treatment apparatus and a device for heating the after-treatment apparatus6 Jan 2026US 12,516,617 B2Ferrari S.P. A.
- Method for flushing a pressure line of a delivery device16 Jul 2026US 2026/0201823 A1Schaeffler Technologies AG & Co. KG
- Exhaust gas treatment system and method26 Mar 2026US 2026/0084105 A1SodaFlexx Distribution LLP
- Method for determining a flow rate of fluid in a vehicle engine system12 Feb 2026US 2026/0043369 A1Vitesco Technologies GmbH
- A method for controlling the operation of a hydrogen combustion engine system4 Dec 2025US 2025/0369380 A1Volvo Truck Corporation
- Systems, devices, and methods for regenerating a particulate filter17 Jul 2025US 2025/0230761 A1Jtsmcdp, LLC
Most cited
By later US patents
- Diagnostic and mitigation strategy for reductant injector obstruction in exhaust system13US 10,378,415 B2Caterpillar Inc. · 2019
- Apparatus, system, and method for aftertreatment control and diagnostics12US 9,194,273 B2Cummins Inc. · 2015
- Selective catalytic reduction dosing control11US 10,443,471 B2GM Global Technology Operations LLC · 2019
- Diesel particulate filter system11US 8,973,430 B2Isuzu Motors Limited · 2015
- Asynchronous reductant insertion in aftertreatment systems9US 9,765,674 B2Cummins Emission Solutions Inc. · 2017