- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 23/08 - Carrying surfaces
Patent holdings for IPC class B66B 23/08
Total number of patents in this class: 21
10-year publication summary
|
3
|
0
|
4
|
2
|
4
|
0
|
0
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2677 |
8 |
| Innova Patent GmbH | 243 |
2 |
| Brunswick Corporation | 1271 |
1 |
| China University of Mining and Technology | 1189 |
1 |
| Inventio AG | 2314 |
1 |
| Rexnord FlatTop Europe B.V. | 87 |
1 |
| WRH Walter Reist Holding AG | 52 |
1 |
| Kone Oyj | 2000 |
1 |
| GF Casting Solutions Altenmarkt GmbH & Co. KG | 4 |
1 |
| GF Casting Solutions Herzogenburg Hpdc GmbH | 4 |
1 |
| GF Casting Solutions Suzhou Co. Ltd. | 4 |
1 |
| GF Casting Solutions Wedohl GmbH | 3 |
1 |
| Drawbridge Security Systems Pty Ltd | 1 |
1 |
| Other owners | 0 |