- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02B - Internal-combustion piston engines; combustion engines in general
- F02B 47/04 - Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only
Patent holdings for IPC class F02B 47/04
Total number of patents in this class: 56
10-year publication summary
|
6
|
7
|
6
|
8
|
13
|
6
|
7
|
4
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Afton Chemical Corporation | 477 |
11 |
| Ricardo UK Limited | 95 |
4 |
| Dolphin N2 Limited | 24 |
4 |
| King Abdullah University of Science and Technology | 1744 |
3 |
| Massachusetts Institute of Technology | 9913 |
2 |
| Hitachi Zosen Corporation | 621 |
2 |
| RENAULT s.a.s. | 5393 |
2 |
| The Research Foundation for The State University of New York | 1552 |
2 |
| Scania CV AB | 2378 |
2 |
| National Technology & Engineering Solutions of Sandia, LLC | 1882 |
2 |
| Deere & Company | 7344 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
1 |
| Ford Global Technologies, LLC | 20070 |
1 |
| Caterpillar Inc. | 9166 |
1 |
| Aramco Services Company | 3750 |
1 |
| Ethanol Boosting Systems, LLC | 29 |
1 |
| Fire Chariot, LLC | 1 |
1 |
| Icomet SpA | 6 |
1 |
| Innospec Limited | 325 |
1 |
| ITO Racing Service Co., Ltd. | 7 |
1 |
| Other owners | 12 |