- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 1/24 - Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
Patent holdings for IPC class B66B 1/24
Total number of patents in this class: 515
10-year publication summary
|
50
|
48
|
57
|
59
|
55
|
60
|
50
|
46
|
25
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kone Oyj | 2000 |
146 |
| Otis Elevator Company | 2677 |
145 |
| Inventio AG | 2314 |
66 |
| Mitsubishi Electric Corporation | 43934 |
26 |
| ThyssenKrupp Elevator AG | 217 |
18 |
| ThyssenKrupp AG | 3086 |
16 |
| TK Elevator Innovation and Operations GmbH | 158 |
9 |
| Appana Industries LLC | 12 |
7 |
| Hitachi, Ltd. | 16452 |
6 |
| thyssenkrupp Elevator Innovation and Operations GmbH | 59 |
6 |
| International Business Machines Corporation | 60644 |
5 |
| Hyundai Elevator Co., Ltd. | 26 |
4 |
| ThyssenKrupp Elevator Innovation and Opertions GmbH | 17 |
4 |
| Mitsubishi Electric Research Laboratories, Inc. | 1010 |
3 |
| Smart Lifts, LLC | 20 |
3 |
| ThyssenKrupp Elevator Corporation | 33 |
3 |
| Elsi Technologies Oy | 17 |
2 |
| Fujitec Co., Ltd. | 67 |
2 |
| Yaskawa Europe GMBH | 11 |
2 |
| ThyssenKrupp Elevator Innovation and Operations AG | 29 |
2 |
| Other owners | 40 |