- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 1/34 - Control systems of elevators in general Details
Patent holdings for IPC class B66B 1/34
Total number of patents in this class: 1988
10-year publication summary
|
145
|
155
|
208
|
230
|
212
|
185
|
132
|
134
|
136
|
74
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2697 |
516 |
| Kone Oyj | 2161 |
441 |
| Inventio AG | 2413 |
329 |
| Mitsubishi Electric Corporation | 48236 |
143 |
| Hitachi, Ltd. | 16183 |
29 |
| CEDES AG | 84 |
28 |
| TK Elevator Innovation and Operations GmbH | 223 |
28 |
| Hyundai Elevator Co., Ltd. | 86 |
19 |
| ThyssenKrupp Elevator AG | 207 |
17 |
| Secure Identity, LLC | 130 |
14 |
| ThyssenKrupp AG | 3354 |
14 |
| Mitsubishi Electric Research Laboratories, Inc. | 1128 |
10 |
| Appana Industries LLC | 22 |
10 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 768 |
8 |
| Jiangsu Welm Technology Co., Ltd | 18 |
8 |
| TK Elevator Corporation | 32 |
7 |
| Mitsubishi Electric Building Solutions Corporation | 414 |
7 |
| Naver Corporation | 759 |
6 |
| Liin Technologies Incorporated | 10 |
6 |
| Honeywell International Inc. | 12770 |
5 |
| Other owners | 343 |