- 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
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5
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5
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2
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6
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8
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7
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2
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3
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4
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11765 |
4 |
| Liebherr Machines Bulle SA | 50 |
4 |
| Woodward, Inc. | 673 |
4 |
| Ford Global Technologies, LLC | 21329 |
2 |
| Hyundai Motor Company | 24037 |
2 |
| Kia Motors Corporation | 7719 |
2 |
| Aramco Services Company | 4161 |
2 |
| Cummins Inc. | 2609 |
2 |
| Hyundai America Technical Center, Inc. | 40 |
2 |
| Power Tech Staple and Nail, Inc. | 11 |
2 |
| Saudi Arabian Oil Company | 13953 |
2 |
| Tour Engine, Inc. | 15 |
2 |
| Robert Bosch GmbH | 43751 |
1 |
| Caterpillar Inc. | 10184 |
1 |
| Board of Trustees of Michigan State University | 1209 |
1 |
| Tohoku University | 2927 |
1 |
| Anisun EcoTech Pvt Ltd. | 1 |
1 |
| Woodward L'Orange GmbH | 42 |
1 |
| Other owners | 0 |