- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 33/28 - Component parts, details, or accessories of crankcase pumps not provided for in, or of interest apart from, groups
Patent holdings for IPC class F02B 33/28
Total number of patents in this class: 10
10-year publication summary
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1
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1
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2
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2
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1
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1
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1
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1
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arctic Cat Inc. | 472 |
3 |
| EMAK S.p.A. | 72 |
2 |
| Hitachi Koki Co., Ltd. | 396 |
1 |
| Thom | 32 |
1 |
| Nautilus Engineering, LLC | 7 |
1 |
| Textron Motors GmbH | 2 |
1 |
| PHINIA Jersey Holdings LLC | 373 |
1 |
| Other owners | 0 |