- All sections
- B - Performing operationstransporting
- B66D - Capstanswinchestackles, e.g. pulley blockshoists
- B66D 1/54 - Safety gear
Patent holdings for IPC class B66D 1/54
Total number of patents in this class: 207
10-year publication summary
|
17
|
17
|
21
|
22
|
19
|
11
|
11
|
16
|
13
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Liebherr-components Biberach GmbH | 225 |
18 |
| Kobelco Construction Machinery Co., Ltd. | 1151 |
12 |
| Konecranes Global Corporation | 485 |
11 |
| Hornet Acquisitionco, LLC | 78 |
8 |
| KITO Corporation | 170 |
6 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1464 |
5 |
| Tadano Ltd. | 493 |
5 |
| Electronic Theatre Controls, Inc. | 258 |
4 |
| Ramsey Winch Company | 23 |
3 |
| Siguren Ingenierie | 3 |
3 |
| Teufelberger Fiber Rope GmbH | 23 |
3 |
| Warn Industries, Inc. | 204 |
3 |
| Reel Tech Co., Ltd. | 17 |
3 |
| ABB Schweiz AG | 7039 |
2 |
| Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
2 |
| China University of Mining and Technology | 1265 |
2 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
2 |
| Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2877 |
2 |
| Karm AS | 2 |
2 |
| Other owners | 109 |