Patent holdings for IPC class B66B 9/04

Total number of patents in this class: 85

10-year publication summary

11
4
9
10
7
4
19
6
16
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Babu, Killakathu Ramanathan
12
10
Mitsubishi Electric Corporation
43934
7
AGM Container Controls, Inc.
37
5
TK Elevator Corporation
23
5
Otis Elevator Company
2677
4
Blissera Corp.
4
3
Killakathu Ramanathan Babu
3
3
The Boeing Company
19843
2
Bendpak, Inc.
51
2
Dongnan Elevator Co., Ltd.
25
2
Inventio AG
2314
2
Pedarco International Limited
4
2
Stannah Lifts Limited
2
2
ThyssenKrupp Elevator Corporation
33
2
W2w 777 Operations, LLC
2
2
Kone Oyj
2000
2
Commissariat à l'énergie atomique et aux energies alternatives
10525
1
Georgia Tech Research Corporation
2453
1
Archimedes Applied Limited
2
1
Bennu Parts and Service, Inc.
2
1
Other owners 26