- All sections
- B - Performing operationstransporting
- B66C - Cranesload-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: 114
10-year publication summary
|
10
|
13
|
11
|
8
|
5
|
7
|
12
|
5
|
7
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Liebherr-Werk Ehingen GmbH | 193 |
14 |
| Kobelco Construction Machinery Co., Ltd. | 1185 |
13 |
| Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 56 |
7 |
| Tadano Ltd. | 505 |
6 |
| Caterpillar SARL | 482 |
4 |
| Konecranes Global Corporation | 479 |
3 |
| Manitowoc Crane Group France SAS | 112 |
3 |
| Wolffkran Holding AG | 46 |
3 |
| Xuzhou Heavy Machinery Co., Ltd. | 107 |
3 |
| Deere & Company | 7889 |
2 |
| Buhler AG | 519 |
2 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
2 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
2 |
| Itrec B.V. | 502 |
2 |
| Kobelco Cranes Co., Ltd. | 30 |
2 |
| Liebherr-Werk Biberach GmbH | 210 |
2 |
| Liebherr-Werk Nenzing GmbH | 96 |
2 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 396 |
2 |
| Link-Belt Cranes, L.P., LLLP | 42 |
2 |
| Terex Australia Pty. Ltd | 14 |
2 |
| Other owners | 36 |