- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 19/02 - Engines characterised by precombustion chambers the chamber being periodically isolated from its cylinder
Patent holdings for IPC class F02B 19/02
Total number of patents in this class: 36
10-year publication summary
|
5
|
5
|
2
|
6
|
8
|
7
|
2
|
3
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11862 |
4 |
| Liebherr Machines Bulle SA | 50 |
4 |
| Woodward, Inc. | 677 |
4 |
| Ford Global Technologies, LLC | 21560 |
2 |
| Hyundai Motor Company | 24808 |
2 |
| Kia Motors Corporation | 7718 |
2 |
| Aramco Services Company | 4192 |
2 |
| Cummins Inc. | 2641 |
2 |
| Hyundai America Technical Center, Inc. | 40 |
2 |
| Power Tech Staple and Nail, Inc. | 10 |
2 |
| Saudi Arabian Oil Company | 14305 |
2 |
| Tour Engine, Inc. | 15 |
2 |
| Robert Bosch GmbH | 44254 |
1 |
| Caterpillar Inc. | 10280 |
1 |
| Board of Trustees of Michigan State University | 1230 |
1 |
| Tohoku University | 3007 |
1 |
| Anisun EcoTech Pvt Ltd. | 1 |
1 |
| Woodward L'Orange GmbH | 44 |
1 |
| Other owners | 0 |