- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 21/02 - Chamber shapes or constructions
Patent holdings for IPC class F02B 21/02
Total number of patents in this class: 13
10-year publication summary
|
5
|
1
|
6
|
1
|
0
|
0
|
1
|
3
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Peugeot Citroen Automobiles SA | 1644 |
3 |
| Massachusetts Institute of Technology | 10290 |
2 |
| Hyundai Motor Company | 24898 |
1 |
| de Zhen Corporation Pty Ltd | 3 |
1 |
| MANN+HUMMEL GmbH | 1815 |
1 |
| MTU Friedrichshafen GmbH | 294 |
1 |
| Sturman Digital Systems, LLC | 37 |
1 |
| Total Energy Renewable Power Systems, LLC | 1 |
1 |
| Nautilus Engineering, LLC | 7 |
1 |
| ZHOU, Hanwen | 1 |
1 |
| Other owners | 0 |