- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/76 - Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
Patent holdings for IPC class B66C 23/76
Total number of patents in this class: 147
10-year publication summary
|
6
|
13
|
8
|
12
|
23
|
13
|
18
|
11
|
9
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Liebherr-Werk Ehingen GmbH | 181 |
18 |
| Manitowoc Crane Companies, LLC | 173 |
13 |
| Grove U.S. L.L.C. | 33 |
12 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
10 |
| Caterpillar Inc. | 8877 |
7 |
| Tadano Demag GmbH | 86 |
7 |
| Sany Mobile Cranes Co., Ltd | 68 |
7 |
| Brandt Industries Canada Limited | 35 |
6 |
| Manitowoc Crane Group France SAS | 96 |
5 |
| Tadano Ltd. | 467 |
5 |
| Chapman/Leonard Studio Equipment, Inc. | 85 |
5 |
| Liebherr-Werk Biberach GmbH | 193 |
4 |
| Mammoet Engineering B.V. | 6 |
4 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
3 |
| Xuzhou Heavy Machinery Co., Ltd. | 87 |
3 |
| Kobelco Cranes Co., Ltd. | 40 |
2 |
| Liebherr-Werk Nenzing GmbH | 82 |
2 |
| Sky Line Cranes & Technologies Ltd | 13 |
2 |
| XCMG Construction Machinery Co., Ltd. Building Machinery Co. | 2 |
2 |
| Deere & Company | 6845 |
1 |
| Other owners | 29 |