- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 3/18 - Grabs opened or closed by driving motors thereon by electric motors
Patent holdings for IPC class B66C 3/18
Total number of patents in this class: 8
10-year publication summary
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0
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1
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0
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0
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2
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1
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0
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2
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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altec Industries, Inc. | 178 |
2 |
| SEW-EURODRIVE GmbH & Co. KG | 1816 |
2 |
| Dynasafe Demil Systems AB | 23 |
1 |
| Gogou Co., Ltd. | 19 |
1 |
| EUROCRANE (CHINA) Co., Ltd. | 20 |
1 |
| Cornelis Hendricus Liet | 1 |
1 |
| Other owners | 0 |