- All sections
- B - Performing operationstransporting
- B66C - Cranesload-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: 380
10-year publication summary
|
13
|
21
|
38
|
57
|
33
|
35
|
25
|
26
|
19
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tadano Ltd. | 515 |
56 |
| The School Corporation Kansai University | 179 |
15 |
| Sumitomo Heavy Industries Material Handling Systems Co., Ltd. | 49 |
15 |
| Fastbrick IP Pty Ltd | 119 |
14 |
| Konecranes Global Corporation | 487 |
13 |
| Kobelco Construction Machinery Co., Ltd. | 1228 |
12 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1566 |
11 |
| Murata Machinery, Ltd. | 1627 |
10 |
| Xuzhou Heavy Machinery Co., Ltd. | 119 |
8 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 404 |
8 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
7 |
| Liko Research & Development AB | 153 |
7 |
| Daifuku Co., Ltd. | 1114 |
6 |
| Manitowoc Crane Group France SAS | 113 |
6 |
| Flatiron Crane Operating Company, LLC | 7 |
6 |
| JFE Steel Corporation | 7704 |
5 |
| Liebherr-Werk Biberach GmbH | 215 |
5 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 293 |
5 |
| Mitsubishi Electric Corporation | 48546 |
4 |
| Kobe Steel, Ltd. | 903 |
4 |
| Other owners | 163 |