- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 5/08 - Crane, lift, hoist, or winch brakes operating on drums, barrels, or ropes with radial effect embodying blocks or shoes
Patent holdings for IPC class B66D 5/08
Total number of patents in this class: 30
10-year publication summary
|
5
|
8
|
2
|
3
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kone Oyj | 2087 |
8 |
| Mitsubishi Electric Corporation | 46197 |
2 |
| Inventio AG | 2381 |
2 |
| Otis Elevator Company | 2660 |
2 |
| Schlumberger Technology Corporation | 10780 |
1 |
| Schlumberger Canada Limited | 7332 |
1 |
| Schlumberger Technology B.v. | 5176 |
1 |
| Schlumberger Holdings Limited | 2817 |
1 |
| Bardex Corporation | 51 |
1 |
| Endo Kogyo Co., Ltd. | 8 |
1 |
| KITO Corporation | 169 |
1 |
| Prad Research and Development Limited | 2693 |
1 |
| Services Petroliers Schlumberger | 5803 |
1 |
| ThyssenKrupp AG | 3291 |
1 |
| ThyssenKrupp Elevator AG | 209 |
1 |
| Jiangsu Normal University | 32 |
1 |
| Shijiazhuang Nuron Brake Technology Co., Ltd. | 2 |
1 |
| Hunan Bobang Heavy Industry Co., Ltd. | 1 |
1 |
| Mile Marker (Shenzhen) Limited | 12 |
1 |
| Wuxi Yipin Elevator Accessories Co., Ltd. | 1 |
1 |
| Other owners | 0 |