- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/72 - Counterweights or supports for balancing lifting couples
Patent holdings for IPC class B66C 23/72
Total number of patents in this class: 113
10-year publication summary
8
|
7
|
12
|
9
|
8
|
11
|
16
|
8
|
5
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Liebherr-Werk Biberach GmbH | 193 |
9 |
Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
6 |
Liebherr-Werk Ehingen GmbH | 181 |
6 |
Zoomlion Heavy Industry Science and Technology Co., Ltd. | 344 |
6 |
Terex Australia Pty. Ltd | 11 |
5 |
Sany Mobile Cranes Co., Ltd | 68 |
5 |
Caterpillar Inc. | 8877 |
4 |
Volvo Construction Equipment AB | 1172 |
4 |
Wobben Properties GmbH | 1207 |
4 |
Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
3 |
Spronken, John R. | 3 |
3 |
Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 50 |
3 |
Skyrex AB | 26 |
3 |
The Boeing Company | 19843 |
2 |
Caterpillar SARL | 441 |
2 |
Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
2 |
Manitowoc Crane Companies, LLC | 173 |
2 |
Robarts Research Institute | 28 |
2 |
Sky Line Cranes & Technologies Ltd | 13 |
2 |
Xuzhou Heavy Machinery Co., Ltd. | 87 |
2 |
Other owners | 38 |