- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 9/04 - Methods of operating
Patent holdings for IPC class F02B 9/04
Total number of patents in this class: 18
10-year publication summary
|
2
|
2
|
2
|
1
|
5
|
4
|
1
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tour Engine, Inc. | 15 |
3 |
| Tula Technology, Inc. | 352 |
3 |
| Toyota Motor Corporation | 36327 |
2 |
| Mazda Motor Corporation | 3324 |
2 |
| Climate Energy Investments LLC | 25 |
2 |
| GM Global Technology Operations LLC | 16237 |
1 |
| Denso Corporation | 25799 |
1 |
| Caterpillar Inc. | 10331 |
1 |
| Wisconsin Alumni Research Foundation | 3905 |
1 |
| Cummins Inc. | 2659 |
1 |
| Saudi Arabian Oil Company | 14390 |
1 |
| Other owners | 0 |