B61C 5/04
Arrangement or disposition of exhaust apparatus
B61C5/04 (Arrangement or disposition of exhaust apparatus) appears on 23 US grants and 29 published applications in this corpus.
Search patents in B61C- Granted patents
- 23
- Published applications
- 29
- Assignees
- 12
- Inventors
- 68
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 3 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 3 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 5 |
| 2021 | 3 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Locomotive exhaust aftertreatment system28 Jul 2026US 12,692,808 B1Echeneidae Inc.
- Aftertreatment system for locomotive17 Feb 2026US 12,553,372 B2Caterpillar Inc.
- System and method for a cab-mounted muffler assembly4 Feb 2025US 12,215,612 B2Transportation IP Holdings, LLC
- Method and systems for a fluidic variable turbocharger for an engine13 Jun 2023US 11,674,410 B2Transportation IP Holdings, LLC
- System for a combined spark arrestor and muffler assembly18 Apr 2023US 11,629,621 B2Transportation IP Holdings, LLC
- Locomotive exhaust duct assembly25 Jun 2026US 2026/0175879 A1
- Aftertreatment system for locomotive5 Feb 2026US 2026/0036071 A1Caterpillar Inc.
- Exhaust enclosure and thermal management system30 Oct 2025US 2025/0334065 A1Cummins Inc.
- System and method for a cab-mounted muffler assembly9 Jun 2022US 2022/0178298 A1Transportation IP Holdings, LLC
- System for a combined spark arrestor and muffler assembly30 Dec 2021US 2021/0404359 A1Transportation IP Holdings, LLC
Most cited
By later US patents
- Exhaust intake bonnet for capturing exhausts from diesel-powered locomotives30US 7,832,338 B22010
- Power system having fuel-based cooling10US 10,054,085 B2Progress Rail Locomotive Inc. · 2018
- System, kit, and method for locomotive exhaust gas recirculation cooling6US 7,798,134 B2General Electric Company · 2010
- Railway vehicle with exhaust gas cleaning6US 8,495,960 B2Bombardier Transportation GmbH · 2013
- Traveling duct for carrying exhaust captured from moving diesel-powered locomotives4US 7,685,943 B22010