- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/69 - Jibs telescopic while in use
Patent holdings for IPC class B66C 23/69
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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1
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2
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2
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2
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0
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1
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1
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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
|
|---|---|---|
| Chapman/Leonard Studio Equipment, Inc. | 80 |
2 |
| Xuzhou Heavy Machinery Co., Ltd. | 119 |
1 |
| Zhejiang Dingli Machinery Co., Ltd. | 40 |
1 |
| Sany Mobile Cranes Co., Ltd | 77 |
1 |
| Tangshan Harbin Ship Technology Co., Ltd. | 204 |
1 |
| Tangshan Hydrience Marine Technology Co., Ltd. | 149 |
1 |
| Yongzhou Golden Ant New Energy Machinery Co., Ltd | 2 |
1 |
| Hunan Sany Medium Tonnage Hoisting Machinery Co., Ltd. | 32 |
1 |
| Guangdong Grand Greenbuilt Technology Co., Ltd. | 2 |
1 |
| Two Harbors Machine Shop Inc. | 2 |
1 |
| Other owners | 0 |