- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 13/22 - Control systems or devices for electric drives
Patent holdings for IPC class B66C 13/22
Total number of patents in this class: 329
10-year publication summary
12
|
15
|
13
|
21
|
37
|
52
|
34
|
35
|
25
|
13
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tadano Ltd. | 467 |
55 |
The School Corporation Kansai University | 150 |
15 |
Konecranes Global Corporation | 484 |
14 |
Sumitomo Heavy Industries Material Handling Systems Co., Ltd. | 43 |
14 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
11 |
Kobelco Construction Machinery Co., Ltd. | 1048 |
9 |
Murata Machinery, Ltd. | 1386 |
8 |
Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
7 |
Liko Research & Development AB | 128 |
7 |
Zoomlion Heavy Industry Science and Technology Co., Ltd. | 344 |
6 |
David R. Cordell & Associates, Inc. | 7 |
6 |
Daifuku Co., Ltd. | 860 |
5 |
Fastbrick IP Pty Ltd | 98 |
5 |
Manitowoc Crane Group France SAS | 96 |
5 |
Mitsui Engineering & Shipbuilding Co., Ltd. | 331 |
5 |
JFE Steel Corporation | 6067 |
4 |
Kobe Steel, Ltd. | 912 |
4 |
Liebherr-components Biberach GmbH | 223 |
4 |
Liebherr-Werk Biberach GmbH | 193 |
4 |
Mitsubishi Heavy Industries Machinery Technology Corporation | 64 |
4 |
Other owners | 137 |