- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 19/04 - Engines characterised by precombustion chambers the chamber being periodically isolated from its cylinder the isolation being effected by a protuberance on piston or cylinder head
Patent holdings for IPC class F02B 19/04
Total number of patents in this class: 13
10-year publication summary
|
2
|
1
|
1
|
1
|
1
|
0
|
0
|
3
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43631 |
4 |
| Ford Global Technologies, LLC | 21296 |
1 |
| Caterpillar Inc. | 10151 |
1 |
| Mazda Motor Corporation | 3271 |
1 |
| Board of Trustees of Michigan State University | 1209 |
1 |
| Cummins Inc. | 2601 |
1 |
| FPT Industrial S.p.A. | 166 |
1 |
| International Engine Intellectual Property Company, LLC | 465 |
1 |
| Saudi Arabian Oil Company | 13953 |
1 |
| Nautilus Engineering, LLC | 7 |
1 |
| Other owners | 0 |