- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 9/18 - Travelling gear incorporated in, or fitted to, trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
Patent holdings for IPC class B66C 9/18
Total number of patents in this class: 42
10-year publication summary
|
0
|
6
|
4
|
3
|
2
|
4
|
2
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Portal Crane Parts Ltd. | 8 |
6 |
| Hillmar Industries Ltd. | 12 |
3 |
| China University of Mining and Technology | 1289 |
2 |
| Samsung Heavy Ind. Co., Ltd. | 244 |
2 |
| Wuhan K-crane Ocean Lifting Technology Co., Ltd. | 3 |
2 |
| Siemens Gamesa Renewable Energy A/S | 1922 |
2 |
| Promise to Perform Industries, Inc. | 18 |
2 |
| Xuzhou Liren Monorail Transportation Equipment Co., Ltd. | 13 |
2 |
| Adventure Holdings LLC | 2 |
1 |
| Avant Tecno Oy | 35 |
1 |
| Devin International, Inc. | 14 |
1 |
| IHI Transport Machinery Co., Ltd. | 65 |
1 |
| Invacare International SARL | 82 |
1 |
| Konecranes Global Corporation | 479 |
1 |
| Konecranes plc | 48 |
1 |
| Lewis Australia Pty Ltd | 11 |
1 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 308 |
1 |
| Sandpit Innovation Pty Ltd | 4 |
1 |
| Southeast University | 1504 |
1 |
| Sumitomo Heavy Industries Material Handling Systems Co., Ltd. | 46 |
1 |
| Other owners | 9 |