- 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: 290
10-year publication summary
|
15
|
19
|
27
|
26
|
24
|
34
|
25
|
30
|
29
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tadano Ltd. | 493 |
54 |
| Kobelco Construction Machinery Co., Ltd. | 1137 |
22 |
| Liebherr-Werk Biberach GmbH | 202 |
12 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 375 |
11 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
9 |
| Manitowoc Crane Group France SAS | 104 |
9 |
| Liebherr-Werk Ehingen GmbH | 190 |
8 |
| Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 55 |
8 |
| Manitowoc Crane Companies, LLC | 182 |
7 |
| Sumitomo Heavy Industries, Ltd. | 1924 |
6 |
| Terex Australia Pty. Ltd | 12 |
6 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
5 |
| Wolffkran Holding AG | 44 |
5 |
| Zoomlion Construction Hoisting Machinery Co., Ltd. | 21 |
5 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
4 |
| Matt's Arm, LLC | 8 |
4 |
| Itrec B.V. | 503 |
3 |
| Maeda Seisakusho Co., Ltd. | 21 |
3 |
| Putzmeister Engineering GmbH | 337 |
3 |
| Quanta Associates, L.P. | 430 |
3 |
| Other owners | 103 |