Patent holdings for IPC class B66B 7/02

Total number of patents in this class: 541

10-year publication summary

57
68
44
63
58
44
40
33
16
18
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Inventio AG
2413
104
Mitsubishi Electric Corporation
48236
78
Otis Elevator Company
2697
77
Kone Oyj
2161
53
Hitachi, Ltd.
16183
21
TK Elevator Innovation and Operations GmbH
223
16
ThyssenKrupp AG
3354
12
China University of Mining and Technology
1316
11
ThyssenKrupp Elevator AG
207
11
Hitachi Building Systems Co., Ltd.
52
7
Thoma Aufzuge GmbH
11
7
ThyssenKrupp Elevator Innovation and Operations AG
29
5
Hunan Daju Information Tech Co Ltd
6
5
AIP ApS
20
4
Dongnan Elevator Co., Ltd.
25
4
Innovative Building Technologies, LLC
66
4
Canny Elevator Co., Ltd.
23
4
Elevator Safety Company, AKA ELSCO
14
3
S.A. de Vera (Savera)
8
3
Mitsubishi Electric Building Solutions Corporation
414
3
Other owners 109