- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/74 - Counterweights or supports for balancing lifting couples separate from jib
Patent holdings for IPC class B66C 23/74
Total number of patents in this class: 101
10-year publication summary
|
4
|
7
|
10
|
14
|
11
|
8
|
5
|
7
|
11
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kobelco Construction Machinery Co., Ltd. | 1048 |
12 |
| Liebherr-Werk Ehingen GmbH | 181 |
12 |
| Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 50 |
7 |
| Tadano Ltd. | 467 |
6 |
| Caterpillar SARL | 441 |
4 |
| Konecranes Global Corporation | 484 |
3 |
| Manitowoc Crane Group France SAS | 96 |
3 |
| Wolffkran Holding AG | 40 |
3 |
| Xuzhou Heavy Machinery Co., Ltd. | 87 |
3 |
| Deere & Company | 6845 |
2 |
| Buhler AG | 531 |
2 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
2 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
2 |
| Itrec B.V. | 477 |
2 |
| Kobelco Cranes Co., Ltd. | 40 |
2 |
| Liebherr-Werk Biberach GmbH | 193 |
2 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 344 |
2 |
| Terex Australia Pty. Ltd | 11 |
2 |
| Sany Mobile Cranes Co., Ltd | 68 |
2 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
1 |
| Other owners | 27 |