- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 1/32 - Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices
Patent holdings for IPC class B66B 1/32
Total number of patents in this class: 342
10-year publication summary
|
51
|
39
|
20
|
34
|
21
|
28
|
12
|
14
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2695 |
120 |
| Kone Oyj | 2161 |
76 |
| Mitsubishi Electric Corporation | 48409 |
49 |
| Inventio AG | 2429 |
36 |
| Hitachi, Ltd. | 16221 |
8 |
| ThyssenKrupp AG | 3328 |
7 |
| ThyssenKrupp Elevator AG | 206 |
7 |
| TK Elevator Innovation and Operations GmbH | 227 |
7 |
| Magnetek, Inc. | 94 |
3 |
| Hydrasafe Brake, LLC | 5 |
3 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 769 |
2 |
| Terex South Dakota, Inc. | 170 |
2 |
| Murolet IP LLC | 16 |
2 |
| Winone Elevator Company Limited | 20 |
2 |
| CEDES AG | 84 |
1 |
| Chr. Mayr GmbH & Co. KG | 84 |
1 |
| Dongnan Elevator Co., Ltd. | 25 |
1 |
| Pomagalski SA. | 3 |
1 |
| RG Mechatronics GmbH | 5 |
1 |
| Shijiazhuang Wulon Brake Co., Ltd | 2 |
1 |
| Other owners | 12 |