- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 11/00 - Main component parts of lifts in, or associated with, buildings or other structures
Patent holdings for IPC class B66B 11/00
Total number of patents in this class: 511
10-year publication summary
|
42
|
30
|
58
|
55
|
43
|
48
|
46
|
59
|
43
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kone Oyj | 2000 |
108 |
| Otis Elevator Company | 2677 |
103 |
| Inventio AG | 2314 |
82 |
| Mitsubishi Electric Corporation | 43934 |
34 |
| Smart Lifts, LLC | 20 |
10 |
| Hitachi, Ltd. | 16452 |
9 |
| TK Elevator Innovation and Operations GmbH | 158 |
7 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
6 |
| Thoma Aufzuge GmbH | 10 |
6 |
| ThyssenKrupp Elevator AG | 217 |
6 |
| Innovative Building Technologies, LLC | 70 |
5 |
| ThyssenKrupp AG | 3086 |
5 |
| thyssenkrupp Elevator Innovation and Operations GmbH | 59 |
3 |
| DAe Ryoon Eles. | 5 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| The Boeing Company | 19843 |
2 |
| Asia Fire Protection Co., Ltd. | 3 |
2 |
| China University of Mining and Technology | 1189 |
2 |
| ContiTech Antriebssysteme GmbH | 244 |
2 |
| Hitachi Building Systems Co., Ltd. | 45 |
2 |
| Other owners | 112 |