- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 13/32 - Control systems or devices for electric drives for operating grab-bucket hoists by means of one or more electric motors used both for hoisting and lowering the loads and for opening and closing the bucket jaws
Patent holdings for IPC class B66C 13/32
Total number of patents in this class: 12
10-year publication summary
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0
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0
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1
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0
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1
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1
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1
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0
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4
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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
|
|---|---|---|
| Hitachi Zosen Corporation | 609 |
3 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
2 |
| National University Corporation Nara Institute of Science and Technology | 275 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
| Konecranes Global Corporation | 484 |
1 |
| Mitsubishi Heavy Industries Machinery Technology Corporation | 64 |
1 |
| Sumitomo Heavy Industries Material Handling Systems Co., Ltd. | 43 |
1 |
| Shanghai Huiyan Intelligence Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |