- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-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: 267
10-year publication summary
15
|
15
|
19
|
27
|
26
|
23
|
34
|
26
|
28
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tadano Ltd. | 467 |
52 |
Kobelco Construction Machinery Co., Ltd. | 1048 |
20 |
Liebherr-Werk Biberach GmbH | 193 |
13 |
Zoomlion Heavy Industry Science and Technology Co., Ltd. | 344 |
11 |
Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
9 |
Liebherr-Werk Ehingen GmbH | 181 |
7 |
Manitowoc Crane Companies, LLC | 173 |
7 |
Manitowoc Crane Group France SAS | 96 |
7 |
Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
5 |
Wolffkran Holding AG | 40 |
5 |
Terex Australia Pty. Ltd | 11 |
5 |
Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 50 |
5 |
Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
4 |
Zoomlion Construction Hoisting Machinery Co., Ltd. | 17 |
4 |
Maeda Seisakusho Co., Ltd. | 18 |
3 |
Putzmeister Engineering GmbH | 309 |
3 |
Quanta Associates, L.P. | 435 |
3 |
Sany Heavy Industry Co., Ltd. | 243 |
3 |
Tadano Demag GmbH | 86 |
3 |
Matt's Arm, LLC | 6 |
3 |
Other owners | 95 |