- 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: 2014
10-year publication summary
|
145
|
155
|
208
|
230
|
211
|
185
|
132
|
136
|
136
|
98
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2706 |
519 |
| Kone Oyj | 2165 |
445 |
| Inventio AG | 2442 |
340 |
| Mitsubishi Electric Corporation | 48587 |
143 |
| Hitachi, Ltd. | 16272 |
29 |
| TK Elevator Innovation and Operations GmbH | 228 |
29 |
| CEDES AG | 84 |
28 |
| Hyundai Elevator Co., Ltd. | 90 |
20 |
| ThyssenKrupp Elevator AG | 206 |
17 |
| Secure Identity, LLC | 131 |
14 |
| ThyssenKrupp AG | 3349 |
14 |
| Mitsubishi Electric Research Laboratories, Inc. | 1148 |
10 |
| Appana Industries LLC | 22 |
10 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 789 |
8 |
| Jiangsu Welm Technology Co., Ltd | 18 |
8 |
| Mitsubishi Electric Building Solutions Corporation | 419 |
8 |
| Naver Corporation | 771 |
7 |
| TK Elevator Corporation | 32 |
7 |
| Liin Technologies Incorporated | 11 |
6 |
| Honeywell International Inc. | 12731 |
5 |
| Other owners | 347 |