- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion 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: 55
10-year publication summary
|
7
|
6
|
8
|
13
|
6
|
7
|
4
|
0
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Afton Chemical Corporation | 493 |
11 |
| FPT Industrial S.p.A. | 166 |
4 |
| Ricardo UK Limited | 83 |
4 |
| King Abdullah University of Science and Technology | 1842 |
3 |
| Hitachi Zosen Corporation | 602 |
2 |
| RENAULT s.a.s. | 5379 |
2 |
| The Research Foundation for The State University of New York | 1731 |
2 |
| Scania CV AB | 2403 |
2 |
| National Technology & Engineering Solutions of Sandia, LLC | 1948 |
2 |
| J. D. North America Corp. | 11 |
2 |
| Deere & Company | 8072 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9099 |
1 |
| Ford Global Technologies, LLC | 21466 |
1 |
| Caterpillar Inc. | 10269 |
1 |
| Massachusetts Institute of Technology | 10237 |
1 |
| Aramco Services Company | 4182 |
1 |
| Ethanol Boosting Systems, LLC | 26 |
1 |
| Fire Chariot, LLC | 1 |
1 |
| Icomet SpA | 6 |
1 |
| Innospec Limited | 407 |
1 |
| Other owners | 11 |