- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/12 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib cranes with means for automatically varying the effective length of the hoisting rope or cable
Patent holdings for IPC class B66C 23/12
Total number of patents in this class: 11
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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0
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0
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2
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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
|
|---|---|---|
| Heerema Marine Contractors Nederland SE | 58 |
3 |
| Tadano Ltd. | 467 |
2 |
| Dalian University of Technology | 1387 |
1 |
| Grant Prideco, Inc. | 384 |
1 |
| Heerema Marine Contractors Nederland B.V. | 31 |
1 |
| Itrec B.V. | 477 |
1 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
1 |
| Tokyo Institute of Technology | 1367 |
1 |
| Other owners | 0 |