- 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
|
7
|
5
|
5
|
2
|
6
|
8
|
7
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11409 |
4 |
| Liebherr Machines Bulle SA | 48 |
4 |
| Woodward, Inc. | 643 |
4 |
| Ford Global Technologies, LLC | 20487 |
2 |
| Hyundai Motor Company | 21748 |
2 |
| Kia Motors Corporation | 7758 |
2 |
| Aramco Services Company | 3921 |
2 |
| Cummins Inc. | 2558 |
2 |
| Hyundai America Technical Center, Inc. | 40 |
2 |
| Power Tech Staple and Nail, Inc. | 12 |
2 |
| Saudi Arabian Oil Company | 12891 |
2 |
| Tour Engine, Inc. | 18 |
2 |
| Robert Bosch GmbH | 42505 |
1 |
| Board of Trustees of Michigan State University | 1178 |
1 |
| Tohoku University | 2762 |
1 |
| Anisun EcoTech Pvt Ltd. | 1 |
1 |
| Woodward L'Orange GmbH | 43 |
1 |
| de Gooijer Autotechniek B.V. | 2 |
1 |
| Other owners | 0 |