- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 5/02 - Crane, lift, hoist, or winch brakes operating on drums, barrels, or ropes
Patent holdings for IPC class B66D 5/02
Total number of patents in this class: 46
10-year publication summary
|
2
|
7
|
8
|
4
|
1
|
5
|
1
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KITO Corporation | 169 |
4 |
| Otis Elevator Company | 2668 |
3 |
| Schaeffler Technologies AG & Co. KG | 9818 |
2 |
| Cameron International Corporation | 1332 |
2 |
| Electronic Theatre Controls, Inc. | 260 |
2 |
| Kobe Steel, Ltd. | 871 |
2 |
| Kobelco Construction Machinery Co., Ltd. | 1136 |
2 |
| Wing Aviation LLC | 467 |
2 |
| Ingersoll-Rand Industrial U.S., Inc. | 503 |
2 |
| Aerostar International, LLC | 155 |
2 |
| ABB Schweiz AG | 6929 |
1 |
| Bauer Maschinen GmbH | 218 |
1 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
1 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
1 |
| Konecranes Global Corporation | 478 |
1 |
| Kou Sheng Feng Co., Ltd. | 2 |
1 |
| Liebherr-Werk Biberach GmbH | 201 |
1 |
| National Oilwell Varco, L.P. | 1665 |
1 |
| The Rowland Company | 2 |
1 |
| Scana Offshore Vestby AS | 3 |
1 |
| Other owners | 13 |