Patent holdings for IPC class B66B 5/04

Total number of patents in this class: 311

10-year publication summary

20
30
33
42
36
14
16
7
15
9
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Otis Elevator Company
2652
73
Mitsubishi Electric Corporation
46547
51
Kone Oyj
2097
45
Hitachi, Ltd.
15588
24
Inventio AG
2387
18
Wittur Holding GmbH
122
8
TK Elevator Innovation and Operations GmbH
194
7
AIP ApS
20
4
Harmar Mobility, LLC
22
4
Mitsubishi Electric Building Techno-Service Co., Ltd.
419
4
ThyssenKrupp Elevator AG
209
4
Raxtar B.V.
9
3
Hangzhou Huning Elevator Parts Co., Ltd.
12
3
EXTREMA S.r.l.
7
3
Mitsubishi Electric Building Solutions Corporation
366
3
Hydro Mobile inc.
8
2
Sabanci Universitesi
125
2
Stannah Stairlifts Limited
84
2
ThyssenKrupp AG
3311
2
Wurtec, Incorporated
20
2
Other owners 47