- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 11/04 - Underhung trolleys
Patent holdings for IPC class B66C 11/04
Total number of patents in this class: 38
10-year publication summary
|
2
|
3
|
3
|
4
|
3
|
3
|
7
|
2
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konecranes Global Corporation | 479 |
7 |
| Murata Machinery, Ltd. | 1509 |
3 |
| Pratt & Whitney Canada Corp. | 4817 |
2 |
| China University of Mining and Technology | 1260 |
2 |
| Daifuku Co., Ltd. | 995 |
2 |
| Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd. | 24 |
2 |
| CRRC Yangtze Co., Ltd. | 84 |
2 |
| Huadian Lanco Technologies Co., Ltd. | 2 |
2 |
| Changzhou Development & Manufacture Centre Co., Ltd. | 3 |
2 |
| Rtx Corporation | 9429 |
2 |
| KITO Corporation | 169 |
1 |
| Konecranes plc | 48 |
1 |
| Marine Travelift, Inc. | 20 |
1 |
| Semes Co., Ltd. | 1515 |
1 |
| Taiyuan University of Technology | 261 |
1 |
| Mitsui E&S Machinery Co., Ltd. | 42 |
1 |
| Huadian Heavy Industries Co., Ltd. | 7 |
1 |
| UpClimber | 1 |
1 |
| Qingdao New Qianwan Container Terminal Co., Ltd. | 19 |
1 |
| Qingdao Port International Co., Ltd. | 26 |
1 |
| Other owners | 2 |