- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 1/52 - Floor selectors
Patent holdings for IPC class B66B 1/52
Total number of patents in this class: 64
10-year publication summary
1
|
3
|
5
|
8
|
10
|
9
|
18
|
20
|
7
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Otis Elevator Company | 2677 |
19 |
Kone Oyj | 2000 |
10 |
Inventio AG | 2314 |
5 |
Mitsubishi Electric Corporation | 43934 |
3 |
Korea Electronics Technology Institute | 1358 |
2 |
Mitsubishi Electric Research Laboratories, Inc. | 1010 |
2 |
Upward Technology LLC | 36 |
2 |
Carrier Corporation | 4759 |
1 |
Koyo Electronics Industries Co., Ltd. | 6 |
1 |
Rndplus Co., Ltd. | 8 |
1 |
SCHAEFER GmbH | 11 |
1 |
United Arab Emirates University | 258 |
1 |
Hall Labs, LLC | 221 |
1 |
Hangzhou Optimax Tech. Co., Ltd | 4 |
1 |
Jiangsu Welm Technology Co., Ltd | 17 |
1 |
Mitsubishi Elevator Korea Co., Ltd. | 15 |
1 |
Nantong Jiuwuba Technology Enterprise Incubator Co., Ltd. | 1 |
1 |
TK Elevator Innovation and Operations GmbH | 158 |
1 |
MWS Fabrication, Inc. | 3 |
1 |
Nouveau National LLC | 1 |
1 |
Other owners | 8 |