- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
- F01B 7/18 - Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with differential piston
Patent holdings for IPC class F01B 7/18
Total number of patents in this class: 5
10-year publication summary
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0
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0
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0
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0
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0
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1
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0
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3
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0
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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
|
|---|---|---|
| Tonand Inc. | 17 |
3 |
| OSP Engines Limited | 5 |
1 |
| Adiyaman Universitesi Rektorlugu | 5 |
1 |
| Other owners | 0 |