F02D 41/0275
The exhaust gas treating apparatus being a nox trap or adsorbent
Official title: {the exhaust gas treating apparatus being a NOx trap or adsorbent}
F02D41/0275 (The exhaust gas treating apparatus being a nox trap or adsorbent) appears on 992 US grants and 893 published applications in this corpus.
Search patents in F02D- Granted patents
- 992
- Published applications
- 893
- Assignees
- 160
- Inventors
- 1,495
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 11 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 21 | 0 |
| 1999 | 18 | 0 |
| 2000 | 34 | 0 |
| 2001 | 56 | 21 |
| 2002 | 68 | 62 |
| 2003 | 51 | 70 |
| 2004 | 74 | 67 |
| 2005 | 51 | 64 |
| 2006 | 57 | 63 |
| 2007 | 48 | 51 |
| 2008 | 30 | 62 |
| 2009 | 38 | 54 |
| 2010 | 37 | 43 |
| 2011 | 44 | 32 |
| 2012 | 47 | 34 |
| 2013 | 21 | 27 |
| 2014 | 44 | 27 |
| 2015 | 25 | 34 |
| 2016 | 35 | 43 |
| 2017 | 32 | 32 |
| 2018 | 29 | 32 |
| 2019 | 36 | 25 |
| 2020 | 34 | 17 |
| 2021 | 17 | 10 |
| 2022 | 11 | 11 |
| 2023 | 11 | 6 |
| 2024 | 2 | 1 |
| 2025 | 2 | 3 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Internal combustion engine system15 Sep 2026US 12,736,016 B2Toyota Jidosha Kabushiki Kaisha
- Purification system21 Jul 2026US 12,687,123 B2Isuzu Motors Limited
- Computer system and a computer-implemented method of controlling the temperature of a selective catalytic reduction system12 May 2026US 12,623,659 B2Volvo Truck Corporation
- Apparatus and method for regulating gaseous fuel pressure and mitigating emissions in an internal combustion engine system7 Apr 2026US 12,595,772 B2Cespira Canada LP
- Systems and methods for controlling an engine based on aftertreatment system characteristics4 Nov 2025US 12,460,593 B2Cummins Inc.
- Internal combustion engine system30 Apr 2026US 2026/0117720 A1Toyota Jidosha Kabushiki Kaisha
- Method for determining a flow rate of fluid in a vehicle engine system12 Feb 2026US 2026/0043369 A1Vitesco Technologies GmbH
- Purification system28 Aug 2025US 2025/0270947 A1Isuzu Motors Limited
- Apparatus and method for regulating gaseous fuel pressure and mitigating emissions in an internal combustion engine system24 Apr 2025US 2025/0129752 A1HPDI Technology Limited Partnership
- Computer system and a computer-implemented method of controlling the temperature of a selective catalytic reduction system6 Mar 2025US 2025/0074422 A1Volvo Truck Corporation
Most cited
By later US patents
- Exhaust purification device of internal combustion engine199US 5,473,887 AToyota Jidosha Kabushiki Kaisha · 1995
- Exhaust gas purification device for an internal combustion engine197US 5,974,791 AToyota Jidosha Kabushiki Kaisha · 1999
- Method and apparatus for desulfating a no.sub.x trap176US 5,974,788 AFord Global Technologies, LLC · 1999
- Apparatus and method for internal combustion engine control173US 5,657,625 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Engine with cylinder deactivation168US 6,023,929 AFord Global Technologies, LLC · 2000