F01N 2610/1493
Purging the reducing agent out of the conduits or nozzle
F01N2610/1493 (Purging the reducing agent out of the conduits or nozzle) appears on 181 US grants and 212 published applications in this corpus.
Search patents in F01N- Granted patents
- 181
- Published applications
- 212
- Assignees
- 89
- Inventors
- 488
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 6 |
| 2008 | 0 | 11 |
| 2009 | 4 | 12 |
| 2010 | 7 | 13 |
| 2011 | 10 | 10 |
| 2012 | 8 | 6 |
| 2013 | 11 | 24 |
| 2014 | 12 | 18 |
| 2015 | 21 | 22 |
| 2016 | 17 | 20 |
| 2017 | 25 | 16 |
| 2018 | 7 | 10 |
| 2019 | 15 | 11 |
| 2020 | 13 | 7 |
| 2021 | 11 | 8 |
| 2022 | 5 | 2 |
| 2023 | 1 | 3 |
| 2024 | 5 | 5 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reducing agent supply device, method for controlling reducing agent supply device, and control device14 Jul 2026US 12,680,487 B2Komatsu Ltd.
- Thermal management system15 Jul 2025US 12,359,637 B2J. C. Bamford Excavators Limited
- Method for identifying defective injection of urea into a vehicle exhaust line31 Dec 2024US 12,180,869 B2Vitesco Technologies Gbmh
- Method for emptying an SCR supply system1 Oct 2024US 12,104,518 B2Robert Bosch GmbH
- Inline filter assembly with purge valving13 Aug 2024US 12,060,821 B2Cummins Emission Solutions Inc.
- Method for flushing a pressure line of a delivery device16 Jul 2026US 2026/0201823 A1Schaeffler Technologies AG & Co. KG
- Reducing agent supply device, method for controlling reducing agent supply device, and control device13 Nov 2025US 2025/0347241 A1Komatsu Ltd.
- Ignited reducing compositions and methods for catalytically decomposing exhaust gas mixtures9 Oct 2025US 2025/0314185 A1Altered Labs LLC
- Emissions control system19 Sep 2024US 2024/0309788 A1Generac Power Systems, Inc.
- Method for identifying defective injection of urea into a vehicle exhaust line11 Jul 2024US 2024/0229698 A1Vitesco Technologies GmbH
Most cited
By later US patents
- Method and device for introducing liquid into an exhaust-gas purification system124US 5,884,475 ASiemens Aktiengesellschaft · 1999
- Particulate trap system for an internal combustion engine62US 4,987,738 AGeneral Motors Corporation · 1991
- Cleaning exhaust gases from combustion installations52US 5,601,792 A1997
- Cleaning exhaust gases from combustion installations46US 5,431,893 A1995
- Engine control apparatus and engine operating method28US 7,685,810 B2Nissan Diesel Motor Co., Ltd. · 2010