- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-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: 70
10-year publication summary
4
|
3
|
8
|
8
|
6
|
4
|
1
|
6
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tadano Ltd. | 467 |
6 |
Kobelco Construction Machinery Co., Ltd. | 1048 |
5 |
Manitowoc Crane Companies, LLC | 173 |
5 |
Hitachi Construction Machinery Co., Ltd. | 2498 |
4 |
Caterpillar Inc. | 8877 |
3 |
Sumitomo Heavy Industries Construction Cranes Co., Ltd. | 50 |
3 |
Tadano Demag GmbH | 86 |
3 |
Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
2 |
Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
2 |
Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
2 |
Liebherr-components Biberach GmbH | 223 |
2 |
Liebherr-Werk Ehingen GmbH | 181 |
2 |
Wolffkran Holding AG | 40 |
2 |
Sany Mobile Cranes Co., Ltd | 68 |
2 |
Kawasaki Heavy Industries, Limited | 1524 |
1 |
Hitachi Sumitomo Heavy Industries Construction Crane Co., Ltd. | 8 |
1 |
IHC Holland IE B.V. | 277 |
1 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
Liebherr-France SAS | 10 |
1 |
Liebherr-Werk Nenzing GmbH | 82 |
1 |
Other owners | 21 |