- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 7/12 - Checking, lubricating, or cleaning means for ropes, cables, or guides
Patent holdings for IPC class B66B 7/12
Total number of patents in this class: 401
10-year publication summary
|
32
|
50
|
43
|
53
|
36
|
44
|
22
|
23
|
23
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kone Oyj | 2093 |
94 |
| Inventio AG | 2380 |
75 |
| Otis Elevator Company | 2659 |
71 |
| Mitsubishi Electric Corporation | 46160 |
44 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
10 |
| Shimadzu Corporation | 6171 |
9 |
| TK Elevator Innovation and Operations GmbH | 193 |
8 |
| Konecranes Global Corporation | 477 |
6 |
| Meidensha Corporation | 887 |
6 |
| Liebherr-components Biberach GmbH | 224 |
5 |
| Mitsubishi Electric Building Solutions Corporation | 344 |
5 |
| ThyssenKrupp Elevator AG | 209 |
4 |
| China University of Mining and Technology | 1256 |
3 |
| ContiTech Antriebssysteme GmbH | 189 |
3 |
| Dinacell Electrónica, S.L. | 20 |
3 |
| Nippon Otis Elevator Company | 7 |
3 |
| ThyssenKrupp AG | 3290 |
3 |
| Tankbots, Inc. | 23 |
3 |
| Bridon International Ltd. | 73 |
2 |
| IHC Holland IE B.V. | 265 |
2 |
| Other owners | 42 |