- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 41/04 - Engines with prolonged expansion in main cylinders
Patent holdings for IPC class F02B 41/04
Total number of patents in this class: 40
10-year publication summary
|
8
|
8
|
4
|
4
|
3
|
1
|
2
|
1
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gomecsys B.V. | 39 |
6 |
| Audi AG | 7545 |
4 |
| Nissan Motor Co., Ltd. | 12933 |
3 |
| Transcend Energy Group, LLC | 6 |
3 |
| GM Global Technology Operations LLC | 16087 |
2 |
| Denersa, S. L. | 2 |
2 |
| Ford Global Technologies, LLC | 21466 |
1 |
| Caterpillar Inc. | 10269 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 15226 |
1 |
| Yamaha Motor Co., Ltd. | 2832 |
1 |
| Board of Regents, The University of Texas System | 6086 |
1 |
| Aurora Flight Sciences Corporation | 246 |
1 |
| IFP Energies Nouvelles | 3098 |
1 |
| META Motoren-und Energie-Technik GmbH | 12 |
1 |
| Molise, Gay | 2 |
1 |
| Newlenoir Limited | 21 |
1 |
| Ricardo UK Limited | 83 |
1 |
| Scania CV AB | 2403 |
1 |
| University of Bradford | 55 |
1 |
| Willi Fechner GmbH | 1 |
1 |
| Other owners | 6 |