- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 5/12 - Applications of checking, fault-correcting or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
Patent holdings for IPC class B66B 5/12
Total number of patents in this class: 112
10-year publication summary
|
4
|
11
|
9
|
8
|
7
|
14
|
5
|
5
|
2
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46618 |
41 |
| Inventio AG | 2389 |
16 |
| Kone Oyj | 2097 |
15 |
| Otis Elevator Company | 2653 |
12 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
7 |
| TK Elevator Innovation and Operations GmbH | 196 |
4 |
| Pflow Industries, Inc. | 14 |
2 |
| Wurtec, Incorporated | 20 |
2 |
| Shimadzu Corporation | 6202 |
1 |
| AIP ApS | 20 |
1 |
| China University of Mining and Technology | 1268 |
1 |
| JLG Industries, Inc. | 250 |
1 |
| Knight Industries | 5 |
1 |
| Quality Vision International, Inc. | 133 |
1 |
| SafeWorks, LLC | 85 |
1 |
| US Tower Corporation | 18 |
1 |
| Canny Elevator Co., Ltd. | 20 |
1 |
| Fnss Savunma Sistemleri Anonim Sirketi | 72 |
1 |
| Jiangsu Montmery Elevator Co.,Ltd. | 21 |
1 |
| TK Elevator Corporation | 23 |
1 |
| Other owners | 1 |