- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/82 - Luffing gear
Patent holdings for IPC class B66C 23/82
Total number of patents in this class: 262
10-year publication summary
|
17
|
9
|
28
|
36
|
22
|
21
|
26
|
9
|
23
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Liebherr-Werk Ehingen GmbH | 187 |
25 |
| Itrec B.V. | 502 |
24 |
| Kobelco Construction Machinery Co., Ltd. | 1133 |
22 |
| Tadano Demag GmbH | 86 |
21 |
| Manitowoc Crane Companies, LLC | 182 |
14 |
| Liebherr-Werk Biberach GmbH | 200 |
10 |
| Wolffkran Holding AG | 44 |
9 |
| Manitowoc Crane Group France SAS | 105 |
8 |
| Tadano Ltd. | 493 |
8 |
| Terex Global GmbH | 23 |
7 |
| Cabin Air Group B.V. | 24 |
6 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
5 |
| Kobelco Cranes Co., Ltd. | 32 |
5 |
| Xuzhou Heavy Machinery Co., Ltd. | 97 |
5 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 371 |
5 |
| Sany Mobile Cranes Co., Ltd | 77 |
4 |
| XCMG Construction Machinery Co., Ltd. Building Machinery Co. | 5 |
4 |
| Grove U.S. L.L.C. | 33 |
3 |
| Liebherr-Werk Nenzing GmbH | 92 |
3 |
| Raadgevend Ingenieursburo F. Koch B.V. | 6 |
3 |
| Other owners | 71 |