- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 5/18 - Crane, lift, hoist, or winch brakes operating on drums, barrels, or ropes for generating braking forces which are proportional to the loads suspendedLoad-actuated brakes
Patent holdings for IPC class B66D 5/18
Total number of patents in this class: 19
10-year publication summary
|
1
|
0
|
8
|
0
|
0
|
1
|
2
|
0
|
1
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eddy Current Limited Partnership | 37 |
6 |
| Liebherr-components Biberach GmbH | 225 |
4 |
| Bailout Systems, Inc. | 4 |
2 |
| Freelance Inventors'Inc. | 5 |
1 |
| Liebherr-Werk Nenzing GmbH | 99 |
1 |
| Otis Elevator Company | 2694 |
1 |
| Ringspann GmbH | 22 |
1 |
| SkySaver Rescue Ltd. | 8 |
1 |
| VINCORION Advanced Systems GmbH | 42 |
1 |
| Surewerx USA Inc. | 2 |
1 |
| Other owners | 0 |