- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 19/00 - Mining-hoist operation
Patent holdings for IPC class B66B 19/00
Total number of patents in this class: 635
10-year publication summary
|
52
|
54
|
47
|
58
|
67
|
70
|
67
|
43
|
39
|
42
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2402 |
249 |
| Kone Oyj | 2154 |
171 |
| Otis Elevator Company | 2699 |
71 |
| Mitsubishi Electric Corporation | 48018 |
11 |
| TK Elevator Innovation and Operations GmbH | 220 |
9 |
| ABB Schweiz AG | 7607 |
8 |
| ThyssenKrupp Elevator AG | 207 |
8 |
| Hyundai Elevator Co., Ltd. | 80 |
7 |
| ThyssenKrupp AG | 3409 |
7 |
| Innovative Building Technologies, LLC | 66 |
5 |
| Wurtec, Incorporated | 20 |
5 |
| Hitachi, Ltd. | 16094 |
4 |
| Bruno Independent Living Aids, Inc. | 35 |
4 |
| SafeWorks, LLC | 86 |
4 |
| China University of Mining and Technology | 1308 |
3 |
| Wittur Holding GmbH | 136 |
3 |
| Samsung C&T Corporation | 186 |
3 |
| Kone Elevators Co., Ltd. | 40 |
3 |
| Buildz, LLC | 43 |
3 |
| The Boeing Company | 20160 |
2 |
| Other owners | 55 |