- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 3/12 - Chain or like hand-operated tackles with or without power-transmission gearing between operating member and lifting rope, chain, or cable
Patent holdings for IPC class B66D 3/12
Total number of patents in this class: 12
10-year publication summary
|
3
|
2
|
2
|
1
|
1
|
0
|
1
|
0
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cixi Jiebao Lift Machinery Co., Ltd | 3 |
2 |
| Balfour Beatty plc | 40 |
1 |
| Cameron International Corporation | 1368 |
1 |
| Fairfield Industries Incorporated | 61 |
1 |
| Konecranes plc | 48 |
1 |
| Milwaukee Electric Tool Corporation | 4824 |
1 |
| Zhejiang Shuangniao Machinery Co., Ltd. | 10 |
1 |
| Killswitch, Inc. | 1 |
1 |
| William Hackett Lifting Products Limited | 3 |
1 |
| Eilon-engineering Industrial Weighing Systems Ltd. | 1 |
1 |
| Global Bamboo Technologies, Inc. | 34 |
1 |
| Other owners | 0 |