- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 23/84 - Slewing gear
Patent holdings for IPC class B66C 23/84
Total number of patents in this class: 161
10-year publication summary
13
|
11
|
11
|
11
|
9
|
8
|
10
|
17
|
8
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Itrec B.V. | 477 |
17 |
Kobelco Construction Machinery Co., Ltd. | 1048 |
9 |
Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
8 |
Zoomlion Heavy Industry Science and Technology Co., Ltd. | 344 |
8 |
Liebherr-Werk Biberach GmbH | 193 |
7 |
Tadano Ltd. | 467 |
4 |
Komatsu Ltd. | 4265 |
3 |
Ems-tech Inc. | 11 |
3 |
IMO Holding GmbH | 85 |
3 |
Kobelco Cranes Co., Ltd. | 40 |
3 |
Liebherr-components Biberach GmbH | 223 |
3 |
Palfinger AG | 206 |
3 |
Hitachi Construction Machinery Co., Ltd. | 2498 |
2 |
Caterpillar Inc. | 8877 |
2 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
Liebherr-Werk Ehingen GmbH | 181 |
2 |
Manitowoc Crane Group France SAS | 96 |
2 |
Parker-Hannifin Corporation | 999 |
2 |
Reel | 18 |
2 |
Sumitomo Heavy Industries, Ltd. | 1670 |
2 |
Other owners | 74 |