- 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: 354
10-year publication summary
|
15
|
13
|
21
|
38
|
57
|
33
|
35
|
25
|
26
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tadano Ltd. | 493 |
56 |
| The School Corporation Kansai University | 168 |
15 |
| Sumitomo Heavy Industries Material Handling Systems Co., Ltd. | 45 |
15 |
| Konecranes Global Corporation | 477 |
13 |
| Fastbrick IP Pty Ltd | 112 |
11 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1456 |
11 |
| Kobelco Construction Machinery Co., Ltd. | 1137 |
9 |
| Murata Machinery, Ltd. | 1497 |
8 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 375 |
8 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
7 |
| Liko Research & Development AB | 132 |
7 |
| David R. Cordell & Associates, Inc. | 8 |
7 |
| Daifuku Co., Ltd. | 985 |
6 |
| Xuzhou Heavy Machinery Co., Ltd. | 99 |
6 |
| JFE Steel Corporation | 6833 |
5 |
| Manitowoc Crane Group France SAS | 104 |
5 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 318 |
5 |
| Kobe Steel, Ltd. | 872 |
4 |
| Liebherr-Werk Biberach GmbH | 202 |
4 |
| Mitsubishi Heavy Industries Machinery Technology Corporation | 65 |
4 |
| Other owners | 148 |