- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02B - Internal-combustion piston engines; combustion engines in general
- F02B 55/04 - Cooling thereof
Patent holdings for IPC class F02B 55/04
Total number of patents in this class: 6
10-year publication summary
|
1
|
0
|
3
|
0
|
0
|
1
|
0
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4442 |
2 |
| AVL List GmbH | 1256 |
1 |
| Gilo Industries Research Ltd. | 2 |
1 |
| Circle Engine Co | 2 |
1 |
| Winkelmann Wankel GmbH | 3 |
1 |
| Other owners | 0 |