- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 31/00 - Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning
Patent holdings for IPC class B66B 31/00
Total number of patents in this class: 166
10-year publication summary
|
10
|
8
|
16
|
17
|
21
|
15
|
14
|
12
|
15
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46197 |
47 |
| Inventio AG | 2381 |
19 |
| Mitsubishi Electric Building Solutions Corporation | 347 |
19 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
17 |
| Otis Elevator Company | 2660 |
13 |
| Kone Oyj | 2087 |
8 |
| Hitachi, Ltd. | 15513 |
3 |
| Renaelc, Inc. | 3 |
3 |
| Omron Corporation | 7261 |
2 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 627 |
2 |
| Goldstein Biomedical Consultants LLC | 3 |
2 |
| Kone Elevators Co., Ltd. | 33 |
2 |
| Sekou center TAIYO Ltd. | 2 |
2 |
| The Boeing Company | 20084 |
1 |
| NEC Corporation | 35778 |
1 |
| LG Innotek Co., Ltd. | 7667 |
1 |
| Bemis Manufacturing Company | 250 |
1 |
| Flexible Steel Lacing Company | 271 |
1 |
| Gestion Raymond Boisvert Inc. | 1 |
1 |
| Pflow Industries, Inc. | 14 |
1 |
| Other owners | 20 |