- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators 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: 355
10-year publication summary
|
16
|
26
|
51
|
39
|
20
|
34
|
20
|
28
|
12
|
4
|
| 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 |
73 |
| Mitsubishi Electric Corporation | 43934 |
52 |
| Inventio AG | 2314 |
40 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
14 |
| ThyssenKrupp AG | 3086 |
7 |
| ThyssenKrupp Elevator AG | 217 |
7 |
| Hitachi, Ltd. | 16452 |
6 |
| TK Elevator Innovation and Operations GmbH | 158 |
5 |
| Magnetek, Inc. | 89 |
3 |
| Chr. Mayr GmbH & Co. KG | 86 |
2 |
| Terex South Dakota, Inc. | 115 |
2 |
| thyssenkrupp Elevator Innovation and Operations GmbH | 59 |
2 |
| ThyssenKrupp Elevator Innovation and Opertions GmbH | 17 |
2 |
| Murolet IP LLC | 17 |
2 |
| Rockwell Automation Technologies, Inc. | 2547 |
1 |
| CEDES AG | 79 |
1 |
| Dongnan Elevator Co., Ltd. | 25 |
1 |
| John W. Boyd | 1 |
1 |
| Lsis Co., Ltd. | 834 |
1 |
| Other owners | 21 |