- 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: 132
10-year publication summary
|
8
|
14
|
12
|
14
|
6
|
9
|
4
|
5
|
18
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tadano Ltd. | 497 |
14 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 386 |
13 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
10 |
| Xuzhou Heavy Machinery Co., Ltd. | 99 |
9 |
| Sany Mobile Cranes Co., Ltd | 77 |
6 |
| Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 56 |
5 |
| Kobelco Construction Machinery Co., Ltd. | 1159 |
4 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
3 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
3 |
| Liebherr-Werk Ehingen GmbH | 191 |
3 |
| Putzmeister Engineering GmbH | 345 |
3 |
| XCMG European Research Center GmbH | 10 |
3 |
| Auto Crane Company | 19 |
2 |
| Hitachi Sumitomo Heavy Industries Construction Crane Co., Ltd. | 6 |
2 |
| Liebherr-components Biberach GmbH | 225 |
2 |
| Liebherr-Mining Equipment Colmar SAS | 58 |
2 |
| Schwing GmbH | 117 |
2 |
| SRC Innovations, LLC | 18 |
2 |
| Tigercat Industries Inc. | 41 |
2 |
| Hiab AB | 107 |
2 |
| Other owners | 40 |