Patent holdings for IPC class B61B 3/02

Total number of patents in this class: 338

10-year publication summary

30
31
31
33
36
33
34
35
34
27
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Murata Machinery, Ltd.
1595
94
Daifuku Co., Ltd.
1081
38
EagleRail Container Logistics, LLC
16
12
SEW-EURODRIVE GmbH & Co. KG
2033
8
Ottobahn GmbH
12
8
Emhs GmbH
21
7
SST Systems, Inc.
63
5
CW Designs, LLC
7
5
Panasonic Intellectual Property Management Co., Ltd.
33997
4
Eisenmann SE
146
4
Hydro-Quebec
635
4
Semes Co., Ltd.
1678
4
CRRC Yangtze Co., Ltd.
84
4
Samsung Electronics Co., Ltd.
157719
3
Micron Technology, Inc.
27657
3
Robert Bosch GmbH
44160
3
ABB Schweiz AG
7607
3
Keio University
1140
3
Liko Research & Development AB
153
3
Swift TRAM, Inc.
3
3
Other owners 120