- All sections
- B - Performing operationstransporting
- B66C - Cranesload-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: 153
10-year publication summary
|
8
|
12
|
23
|
13
|
18
|
11
|
11
|
13
|
2
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Liebherr-Werk Ehingen GmbH | 196 |
21 |
| Grove U.S. L.L.C. | 39 |
12 |
| Manitowoc Crane Companies, LLC | 181 |
12 |
| Caterpillar Inc. | 10331 |
11 |
| Kobelco Construction Machinery Co., Ltd. | 1220 |
10 |
| Tadano Demag GmbH | 81 |
7 |
| Sany Mobile Cranes Co., Ltd | 77 |
7 |
| Brandt Industries Canada Limited | 60 |
6 |
| Manitowoc Crane Group France SAS | 111 |
5 |
| Tadano Ltd. | 514 |
5 |
| Xuzhou Heavy Machinery Co., Ltd. | 119 |
5 |
| Liebherr-Werk Biberach GmbH | 215 |
4 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
3 |
| Mammoet Engineering B.V. | 5 |
3 |
| Chapman/Leonard Studio Equipment, Inc. | 80 |
3 |
| XCMG Construction Machinery Co., Ltd. Building Machinery Co. | 8 |
3 |
| Kobelco Cranes Co., Ltd. | 29 |
2 |
| Liebherr-Werk Nenzing GmbH | 99 |
2 |
| Terex South Dakota, Inc. | 170 |
2 |
| Deere & Company | 8198 |
1 |
| Other owners | 29 |