- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 13/20 - Control systems or devices for non-electric drives
Patent holdings for IPC class B66C 13/20
Total number of patents in this class: 139
10-year publication summary
|
14
|
12
|
14
|
6
|
9
|
4
|
5
|
19
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |