- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 9/04 - Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically
Patent holdings for IPC class B66B 9/04
Total number of patents in this class: 94
10-year publication summary
|
9
|
10
|
7
|
4
|
19
|
7
|
17
|
18
|
12
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
7 |
| TK Elevator Corporation | 33 |
6 |
| Blissera Corp. | 7 |
6 |
| Killalathu Ramanathan Babu | 5 |
5 |
| Ruphavathy Vishal | 7 |
5 |
| AGM Container Controls, Inc. | 15 |
4 |
| Otis Elevator Company | 2699 |
4 |
| Inventio AG | 2402 |
3 |
| Shandong University of Science and Technology | 545 |
3 |
| Killakathu Ramanathan Babu | 5 |
3 |
| Killakathu Ramanathan Babu | 3 |
3 |
| Qingdao Special Equipment Inspection and Research Institute | 4 |
3 |
| The Boeing Company | 20160 |
2 |
| Dongnan Elevator Co., Ltd. | 25 |
2 |
| Pedarco International Limited | 4 |
2 |
| Kone Oyj | 2154 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
1 |
| Georgia Tech Research Corporation | 2943 |
1 |
| Archimedes Applied Limited | 2 |
1 |
| Bendpak, Inc. | 73 |
1 |
| Other owners | 30 |