Patent holdings for IPC class B61B 3/02

Total number of patents in this class: 309

10-year publication summary

23
30
30
29
32
33
31
31
35
27
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Murata Machinery, Ltd.
1516
84
Daifuku Co., Ltd.
1001
35
EagleRail Container Logistics, LLC
14
10
Ottobahn GmbH
14
9
SEW-EURODRIVE GmbH & Co. KG
1968
7
Emhs GmbH
15
6
CW Designs, LLC
7
5
Panasonic Intellectual Property Management Co., Ltd.
32139
4
Eisenmann SE
146
4
Hydro-Quebec
652
4
CRRC Yangtze Co., Ltd.
84
4
S & S Engineering Corp.
9
4
Samsung Electronics Co., Ltd.
148173
3
Micron Technology, Inc.
26317
3
Robert Bosch GmbH
42887
3
ABB Schweiz AG
7096
3
Keio University
1106
3
Liko Research & Development AB
134
3
Minrail Inc.
5
3
Semes Co., Ltd.
1517
3
Other owners 109