- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators 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: 533
10-year publication summary
|
48
|
57
|
59
|
56
|
60
|
50
|
47
|
27
|
18
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kone Oyj | 2093 |
154 |
| Otis Elevator Company | 2659 |
145 |
| Inventio AG | 2380 |
64 |
| Mitsubishi Electric Corporation | 46160 |
26 |
| ThyssenKrupp Elevator AG | 209 |
17 |
| ThyssenKrupp AG | 3290 |
16 |
| Appana Industries LLC | 18 |
12 |
| TK Elevator Innovation and Operations GmbH | 193 |
11 |
| Hyundai Elevator Co., Ltd. | 55 |
8 |
| Hitachi, Ltd. | 15499 |
6 |
| Mitsubishi Electric Research Laboratories, Inc. | 1059 |
6 |
| International Business Machines Corporation | 61287 |
4 |
| Smart Lifts, LLC | 20 |
3 |
| ThyssenKrupp Elevator Corporation | 29 |
3 |
| thyssenkrupp Elevator Innovation and Operations GmbH | 37 |
3 |
| Elsi Technologies Oy | 16 |
2 |
| Fujitec Co., Ltd. | 69 |
2 |
| Yaskawa Europe GMBH | 11 |
2 |
| ThyssenKrupp Elevator Innovation and Operations AG | 29 |
2 |
| Good Elevator Co.,Ltd. | 2 |
2 |
| Other owners | 45 |