- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 17/12 - Counterpoises
Patent holdings for IPC class B66B 17/12
Total number of patents in this class: 84
10-year publication summary
|
3
|
10
|
4
|
6
|
8
|
11
|
12
|
12
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2677 |
20 |
| Inventio AG | 2314 |
17 |
| Kone Oyj | 2000 |
17 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Smart Lifts, LLC | 20 |
3 |
| China University of Mining and Technology | 1189 |
2 |
| Shanghai Mitsubishi Elevator Co., Ltd. | 8 |
2 |
| Hitachi, Ltd. | 16452 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| AIP ApS | 20 |
1 |
| China University of Mining & Technology (Beijing) | 42 |
1 |
| Dongnan Elevator Co., Ltd. | 25 |
1 |
| Hangzhou Simaero Technology Co., Ltd. | 1 |
1 |
| Loiselet, S.A.R.L. | 1 |
1 |
| Mhwirth AS | 113 |
1 |
| Canny Elevator Co., Ltd. | 20 |
1 |
| GLARIE Elevator Co. Ltd. | 16 |
1 |
| Zaozhuang University | 30 |
1 |
| Isaac Elecvator Co., Ltd | 1 |
1 |
| JUNG, Jeungja | 1 |
1 |
| Other owners | 6 |