- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 1/56 - Adaptations of limit switches
Patent holdings for IPC class B66D 1/56
Total number of patents in this class: 73
10-year publication summary
|
6
|
4
|
12
|
8
|
4
|
4
|
5
|
0
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Electronic Theatre Controls, Inc. | 258 |
10 |
| Reel Tech Co., Ltd. | 17 |
5 |
| Warn Industries, Inc. | 203 |
4 |
| Prinoth S.p.A. | 195 |
3 |
| Bandit Industries, Inc. | 60 |
2 |
| Global Innovative Sports Incorporated | 5 |
2 |
| Gorbel, Inc. | 32 |
2 |
| KITO Corporation | 184 |
2 |
| Konecranes Global Corporation | 483 |
2 |
| Longyear TM, Inc. | 97 |
2 |
| Konecranes Global Oy | 16 |
2 |
| Brandt Industries Canada Limited | 59 |
2 |
| Ingersoll-Rand Industrial U.S., Inc. | 536 |
2 |
| Raytheon Company | 8443 |
1 |
| Hyundai Motor Company | 24745 |
1 |
| Thales SA | 2391 |
1 |
| Aktiebolaget SKF | 3134 |
1 |
| Brinsea Products Limited | 9 |
1 |
| Caterpillar Global Mining LLC | 208 |
1 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 194 |
1 |
| Other owners | 26 |