- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F15C - Fluid-circuit elements predominantly used for computing or control purposes
- F15C 3/02 - Circuit elements having moving parts using spool valves
Patent holdings for IPC class F15C 3/02
Total number of patents in this class: 40
10-year publication summary
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0
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0
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0
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1
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1
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1
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1
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0
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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
|
|---|---|---|
| Volvo Construction Equipment AB | 1207 |
5 |
| The Boeing Company | 20102 |
2 |
| Allison Transmission, Inc. | 822 |
2 |
| Emerson Process Management Power & Water Solutions, Inc. | 119 |
2 |
| Gestion Josera Inc. | 3 |
2 |
| Placements Chic Inc. | 3 |
2 |
| Halliburton Energy Services, Inc. | 21125 |
1 |
| Pratt & Whitney Canada Corp. | 5093 |
1 |
| Robert Bosch GmbH | 43365 |
1 |
| Hamilton Sundstrand Corporation | 5004 |
1 |
| Toyota Industries Corporation | 1174 |
1 |
| Alamo Group Inc. | 211 |
1 |
| Amsted Rail - Faiveley, LLC. | 1 |
1 |
| Bell Helicopter Textron Inc. | 989 |
1 |
| Clark Equipment Company | 298 |
1 |
| Festo AG & Co. KG | 299 |
1 |
| Fisher Controls International LLC | 1495 |
1 |
| Goodrich Actuation Systems SAS | 180 |
1 |
| Messier-Bugatti-Dowty | 226 |
1 |
| Microtecnica S.r.l. | 94 |
1 |
| Other owners | 11 |