- 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: 420
10-year publication summary
|
50
|
43
|
53
|
36
|
44
|
23
|
24
|
24
|
18
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kone Oyj | 2154 |
97 |
| Otis Elevator Company | 2699 |
75 |
| Inventio AG | 2402 |
74 |
| Mitsubishi Electric Corporation | 48018 |
46 |
| Shimadzu Corporation | 6340 |
9 |
| TK Elevator Innovation and Operations GmbH | 220 |
9 |
| Mitsubishi Electric Building Solutions Corporation | 409 |
9 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 414 |
8 |
| Konecranes Global Corporation | 483 |
6 |
| Meidensha Corporation | 929 |
6 |
| Liebherr-components Biberach GmbH | 225 |
5 |
| ThyssenKrupp Elevator AG | 207 |
4 |
| China University of Mining and Technology | 1308 |
3 |
| ContiTech Antriebssysteme GmbH | 182 |
3 |
| Dinacell Electrónica, S.L. | 19 |
3 |
| Nippon Otis Elevator Company | 7 |
3 |
| ThyssenKrupp AG | 3409 |
3 |
| Tankbots, Inc. | 25 |
3 |
| Hitachi, Ltd. | 16094 |
2 |
| Bridon International Ltd. | 74 |
2 |
| Other owners | 50 |