- All sections
- B - Performing operations; transporting
- B66C - Cranes; load-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 13/30 - Circuits for braking, traversing, or slewing motors
Patent holdings for IPC class B66C 13/30
Total number of patents in this class: 42
10-year publication summary
|
4
|
4
|
1
|
4
|
3
|
2
|
6
|
6
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tulsa Winch, Inc. | 13 |
3 |
| GM Global Technology Operations LLC | 13620 |
2 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
2 |
| Konecranes Global Corporation | 484 |
2 |
| Liebherr-Werk Biberach GmbH | 193 |
2 |
| Magnetek, Inc. | 89 |
2 |
| Tadano Ltd. | 467 |
2 |
| Universite Laval | 703 |
2 |
| Johannes Huebner Fabrik Elektrischer Maschinen GmbH | 5 |
2 |
| Siemens AG | 24990 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Cargotec Finland Oy | 48 |
1 |
| Kabushiki Kaisha Yaskawa Denki | 1468 |
1 |
| Konecranes plc | 48 |
1 |
| Liebherr-Werk Nenzing GmbH | 82 |
1 |
| Manitowoc Crane Group France SAS | 96 |
1 |
| Mitsubishi Heavy Industries Machinery Technology Corporation | 64 |
1 |
| Morgan Engineering Systems, Inc. | 14 |
1 |
| PINTSCH Bubenzer GmbH | 20 |
1 |
| Production Resource Group, LLC | 249 |
1 |
| Other owners | 12 |