- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 11/18 - Rope, cable, or chain drives for trolleysCombinations of such drives with hoisting gear comprising endless ropes or cables
Patent holdings for IPC class B66C 11/18
Total number of patents in this class: 3
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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0
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0
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0
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hall Logic Inc. | 20 |
1 |
| China Construction Sixth Engineering Division Corp., Ltd. | 3 |
1 |
| Cscec Bridges Co., Ltd. | 1 |
1 |
| Other owners | 0 |