- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/86 - Slewing gear hydraulically actuated
Patent holdings for IPC class B66C 23/86
Total number of patents in this class: 79
10-year publication summary
|
3
|
8
|
8
|
6
|
4
|
1
|
5
|
2
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kobelco Construction Machinery Co., Ltd. | 1138 |
8 |
| Tadano Ltd. | 493 |
6 |
| Manitowoc Crane Companies, LLC | 182 |
5 |
| Hitachi Construction Machinery Co., Ltd. | 2643 |
3 |
| Caterpillar Inc. | 9549 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2874 |
3 |
| Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 55 |
3 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
2 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
2 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
2 |
| Liebherr-components Biberach GmbH | 224 |
2 |
| Liebherr-Werk Ehingen GmbH | 191 |
2 |
| Manitowoc Crane Group France SAS | 105 |
2 |
| Wolffkran Holding AG | 44 |
2 |
| Tadano Demag GmbH | 86 |
2 |
| Sany Mobile Cranes Co., Ltd | 77 |
2 |
| Heavy Lift Projects Ltd | 2 |
2 |
| Robert Bosch GmbH | 42684 |
1 |
| Kawasaki Heavy Industries, Limited | 1632 |
1 |
| Hitachi Sumitomo Heavy Industries Construction Crane Co., Ltd. | 8 |
1 |
| Other owners | 25 |