- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 1/72 - Anchor-chain sprocketsAnchor capstans
Patent holdings for IPC class B66D 1/72
Total number of patents in this class: 32
10-year publication summary
|
5
|
8
|
2
|
3
|
1
|
0
|
2
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bardex Corporation | 51 |
6 |
| Lewmar Limited | 39 |
4 |
| Itrec B.V. | 503 |
2 |
| Karm AS | 2 |
2 |
| Macgregor Norway AS | 43 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3048 |
2 |
| IHC Holland IE B.V. | 264 |
1 |
| I.P. Huse AS | 6 |
1 |
| National Oilwell Varco Norway AS | 107 |
1 |
| Nov-blm | 20 |
1 |
| Savwinch Pty Ltd | 1 |
1 |
| Scana Offshore Vestby AS | 3 |
1 |
| Kobus Services Limited | 8 |
1 |
| Maersk Supply Service A/S | 17 |
1 |
| Daewon Heavy Industries Co.,Ltd | 1 |
1 |
| Maschinenfabrik Bröhl GmbH & Co. OHG | 1 |
1 |
| Savwinch Pty Ltd ACN 148 968 227 | 1 |
1 |
| TTS Marine GmbH | 1 |
1 |
| Fukushima Ltd. | 1 |
1 |
| Lone Star Marine Pty Ltd | 1 |
1 |
| Other owners | 0 |