- 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: 357
10-year publication summary
|
26
|
49
|
39
|
19
|
33
|
20
|
27
|
11
|
14
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2660 |
116 |
| Kone Oyj | 2087 |
75 |
| Mitsubishi Electric Corporation | 46197 |
53 |
| Inventio AG | 2381 |
37 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 307 |
13 |
| Hitachi, Ltd. | 15513 |
7 |
| ThyssenKrupp AG | 3291 |
7 |
| ThyssenKrupp Elevator AG | 209 |
7 |
| TK Elevator Innovation and Operations GmbH | 194 |
7 |
| Magnetek, Inc. | 94 |
3 |
| Hydrasafe Brake, LLC | 5 |
3 |
| Chr. Mayr GmbH & Co. KG | 89 |
2 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 630 |
2 |
| Terex South Dakota, Inc. | 124 |
2 |
| Murolet IP LLC | 16 |
2 |
| Winone Elevator Company Limited | 15 |
2 |
| Rockwell Automation Technologies, Inc. | 2723 |
1 |
| CEDES AG | 88 |
1 |
| Dongnan Elevator Co., Ltd. | 25 |
1 |
| Pomagalski SA. | 4 |
1 |
| Other owners | 15 |