- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators 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: 157
10-year publication summary
|
6
|
10
|
9
|
17
|
18
|
21
|
15
|
14
|
12
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
46 |
| Inventio AG | 2314 |
17 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
17 |
| Mitsubishi Electric Building Solutions Corporation | 222 |
14 |
| Otis Elevator Company | 2677 |
10 |
| Kone Oyj | 2000 |
8 |
| Renaelc, Inc. | 4 |
4 |
| Hitachi, Ltd. | 16452 |
2 |
| Omron Corporation | 6968 |
2 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
2 |
| Goldstein Biomedical Consultants LLC | 3 |
2 |
| Kone Elevators Co., Ltd. | 28 |
2 |
| Sekou center TAIYO Ltd. | 2 |
2 |
| The Boeing Company | 19843 |
1 |
| NEC Corporation | 32703 |
1 |
| LG Innotek Co., Ltd. | 6758 |
1 |
| Bemis Manufacturing Company | 228 |
1 |
| Flexible Steel Lacing Company | 250 |
1 |
| Fujitec Co., Ltd. | 67 |
1 |
| Gestion Raymond Boisvert Inc. | 1 |
1 |
| Other owners | 22 |