- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/88 - Safety gear
Patent holdings for IPC class B66C 23/88
Total number of patents in this class: 305
10-year publication summary
|
12
|
18
|
26
|
23
|
23
|
34
|
24
|
27
|
29
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tadano Ltd. | 498 |
55 |
| Kobelco Construction Machinery Co., Ltd. | 1162 |
22 |
| Liebherr-Werk Biberach GmbH | 206 |
12 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 387 |
12 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
9 |
| Manitowoc Crane Group France SAS | 110 |
9 |
| Liebherr-Werk Ehingen GmbH | 192 |
8 |
| Sumitomo Heavy Industries, Ltd. | 1981 |
8 |
| Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 56 |
8 |
| Manitowoc Crane Companies, LLC | 182 |
7 |
| Terex Australia Pty. Ltd | 13 |
6 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
5 |
| Wolffkran Holding AG | 45 |
5 |
| Zoomlion Construction Hoisting Machinery Co., Ltd. | 23 |
5 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
4 |
| Matt's Arm, LLC | 8 |
4 |
| Itrec B.V. | 504 |
3 |
| Maeda Seisakusho Co., Ltd. | 21 |
3 |
| Putzmeister Engineering GmbH | 350 |
3 |
| Quanta Associates, L.P. | 431 |
3 |
| Other owners | 114 |