- All sections
- B - Performing operationstransporting
- B66C - Cranesload-engaging elements or devices for cranes, capstans, winches, or tackles
- B66C 15/04 - Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track
Patent holdings for IPC class B66C 15/04
Total number of patents in this class: 140
10-year publication summary
|
9
|
11
|
13
|
12
|
9
|
17
|
6
|
8
|
7
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Liebherr-Werk Biberach GmbH | 215 |
15 |
| Trimble Navigation Limited | 491 |
10 |
| Siemens AG | 23913 |
8 |
| Konecranes Global Corporation | 487 |
6 |
| Jaguar Land Rover Limited | 5157 |
4 |
| Tulsa Winch, Inc. | 13 |
4 |
| Hiab AB | 121 |
4 |
| Daifuku Co., Ltd. | 1104 |
3 |
| Manitowoc Crane Companies, LLC | 181 |
3 |
| Schwing GmbH | 124 |
3 |
| University of Ulsan Foundation for Industry Cooperation | 772 |
3 |
| Amcs Technologies | 4 |
3 |
| Framatome ANP | 100 |
2 |
| Hyundai Heavy Industries Co., Ltd. | 269 |
2 |
| Industry-Academic Cooperation Foundation, Yonsei University | 2442 |
2 |
| J. Ray McDermott, S.A. | 64 |
2 |
| Keppel Offshore & Marine USA, Inc. | 3 |
2 |
| Konecranes plc | 48 |
2 |
| Liebherr-Werk Ehingen GmbH | 196 |
2 |
| Liebherr-Werk Nenzing GmbH | 99 |
2 |
| Other owners | 58 |