- All sections
- B - Performing operations; transporting
- B66D - Capstans; winches; tackles, e.g. pulley blocks; hoists
- B66D 1/58 - Safety gear responsive to excess of load
Patent holdings for IPC class B66D 1/58
Total number of patents in this class: 110
10-year publication summary
|
9
|
16
|
6
|
10
|
12
|
10
|
9
|
11
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| M.A.T. Malmedie Antriebstechnik GmbH | 15 |
11 |
| Goodrich Corporation | 2081 |
10 |
| KITO Corporation | 166 |
8 |
| Hall Labs, LLC | 221 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Breeze-eastern LLC | 14 |
3 |
| Comeup Industries Inc. | 31 |
3 |
| Konecranes Global Corporation | 484 |
3 |
| Olko-maschinentechnik GmbH | 19 |
3 |
| PINTSCH Bubenzer GmbH | 20 |
3 |
| Tractel Greifzug GmbH | 13 |
3 |
| Fixator | 26 |
2 |
| Itrec B.V. | 477 |
2 |
| MHE Technologies, Inc. | 36 |
2 |
| Ramsey Winch Company | 22 |
2 |
| SafeWorks, LLC | 80 |
2 |
| Southwire Company, LLC | 711 |
2 |
| Beacon Athletics, LLC | 7 |
2 |
| Brandt Industries Canada Limited | 35 |
2 |
| Bumblebee Spaces Inc. | 7 |
2 |
| Other owners | 38 |