- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 1/30 - Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear
Patent holdings for IPC class B66B 1/30
Total number of patents in this class: 372
10-year publication summary
|
29
|
24
|
48
|
36
|
39
|
34
|
25
|
35
|
14
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2677 |
112 |
| Kone Oyj | 2000 |
91 |
| Mitsubishi Electric Corporation | 43934 |
50 |
| Inventio AG | 2314 |
28 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
8 |
| Hitachi, Ltd. | 16452 |
6 |
| Magnetek, Inc. | 89 |
6 |
| Toshiba Corporation | 12017 |
5 |
| ThyssenKrupp Elevator AG | 217 |
5 |
| TK Elevator Innovation and Operations GmbH | 158 |
5 |
| ThyssenKrupp AG | 3086 |
4 |
| thyssenkrupp Elevator Innovation and Operations GmbH | 59 |
4 |
| its Co., Ltd. | 89 |
3 |
| ThyssenKrupp Elevator Innovation and Opertions GmbH | 17 |
3 |
| Acorn Mobility Services Limited | 57 |
2 |
| Alimak Hek AB | 5 |
2 |
| Fujitec Co., Ltd. | 67 |
2 |
| Kabushiki Kaisha Yaskawa Denki | 1468 |
2 |
| Lsis Co., Ltd. | 834 |
2 |
| Stannah Stairlifts Limited | 89 |
2 |
| Other owners | 30 |