- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
- F01B 31/12 - Arrangements of measuring or indicating devices
Patent holdings for IPC class F01B 31/12
Total number of patents in this class: 21
10-year publication summary
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0
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1
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1
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3
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0
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0
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0
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1
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2
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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
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157719 |
1 |
| General Electric Company | 13899 |
1 |
| Pratt & Whitney Canada Corp. | 5479 |
1 |
| Robert Bosch GmbH | 44160 |
1 |
| Blue Leaf I.P., Inc. | 2932 |
1 |
| Purdue Research Foundation | 3916 |
1 |
| A.M.A. S.p.A. | 27 |
1 |
| Bentec GmbH Drilling & Oilfield Systems | 39 |
1 |
| Cummins Inc. | 2632 |
1 |
| Hanon Systems | 2106 |
1 |
| HYDAC Technology GmbH | 249 |
1 |
| KYB Corporation | 1422 |
1 |
| Marine Canada Acquisition Inc. | 103 |
1 |
| Messier-Bugatti-Dowty | 226 |
1 |
| Phaedrus, LLC | 20 |
1 |
| SMC Corporation | 1388 |
1 |
| Stabilus GmbH | 245 |
1 |
| TE Connectivity Germany GmbH | 610 |
1 |
| Zhejiang University | 3444 |
1 |
| ioCurrents, Inc. | 15 |
1 |
| Other owners | 1 |