- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 13/23 - Circuits for controlling the lowering of the load
Patent holdings for IPC class B66C 13/23
Total number of patents in this class: 33
10-year publication summary
|
4
|
5
|
2
|
1
|
2
|
4
|
2
|
5
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
4 |
| Daifuku Co., Ltd. | 1081 |
3 |
| Kobelco Construction Machinery Co., Ltd. | 1210 |
2 |
| Konecranes Global Corporation | 483 |
2 |
| Ocado Innovation Limited | 1058 |
2 |
| Tadano Ltd. | 508 |
2 |
| Keppel LeTourneau USA, Inc. | 6 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
1 |
| Allied Motion Technologies Inc. | 20 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
1 |
| Kabushiki Kaisha Yaskawa Denki | 1463 |
1 |
| Manitowoc Crane Companies, LLC | 180 |
1 |
| Manitowoc Crane Group France SAS | 110 |
1 |
| Murata Machinery, Ltd. | 1595 |
1 |
| Schneider Toshiba Inverter Europe SAS | 143 |
1 |
| Vale S.A. | 262 |
1 |
| Zoomlion Heavy Industry Science and Technology Co., Ltd. | 407 |
1 |
| Zhejiang Nowvow Mechanical and Electrical Corp., Ltd | 14 |
1 |
| Maritime Innovation Japan Corporation | 9 |
1 |
| Quiet Solutions Ltd | 2 |
1 |
| Other owners | 3 |