- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/94 - Safety gear for limiting slewing movements
Patent holdings for IPC class B66C 23/94
Total number of patents in this class: 55
10-year publication summary
4
|
2
|
3
|
6
|
4
|
10
|
4
|
9
|
2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Liebherr-Werk Biberach GmbH | 193 |
7 |
Kobelco Construction Machinery Co., Ltd. | 1048 |
6 |
Maeda Seisakusho Co., Ltd. | 18 |
6 |
Tadano Ltd. | 467 |
6 |
Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
2 |
Zoomlion Heavy Industry Science and Technology Co., Ltd. | 344 |
2 |
Komatsu Ltd. | 4265 |
1 |
A.w.b. Schots NV | 1 |
1 |
Delaware Capital Formation, Inc. | 580 |
1 |
Doosan Infracore Co., Ltd. | 313 |
1 |
Fassi Gru S.p.A. | 16 |
1 |
Furukawa Unic Corporation | 4 |
1 |
GBF Gesellschaft Fuer Bemessungsforschung MBH | 2 |
1 |
Kabushiki Kaisha Aichi Corporation | 21 |
1 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
Liebherr-components Biberach GmbH | 223 |
1 |
Liebherr-Werk Nenzing GmbH | 82 |
1 |
Manitowoc Crane Companies, LLC | 173 |
1 |
Manitowoc Crane Group France SAS | 96 |
1 |
Sumitomo Heavy Industries, Ltd. | 1670 |
1 |
Other owners | 12 |