Patent holdings for IPC class B61D 37/00

Total number of patents in this class: 157

10-year publication summary

10
14
16
13
24
13
7
13
6
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Electric Corporation
46160
20
Siemens Mobility GmbH
1723
12
Siemens AG
24461
11
Hitachi, Ltd.
15499
10
Bombardier Transportation GmbH
646
8
CRRC Tangshan Co., Ltd.
257
7
The Boeing Company
20057
6
Alstom Holdings
612
5
B/E Aerospace, Inc.
1656
4
Koito Electric Industries, Ltd.
52
4
Hitachi Kokusai Electric Inc.
876
3
Marcopolo S.A.
55
3
Speedinnov
21
3
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3035
3
Safran Seats USA LLC
336
3
Seisenbacher GmbH
5
3
Kawasaki Railcar Manufacturing Co., Ltd.
181
3
Airbus Operations GmbH
3340
2
Nikon Corporation
7173
2
Asahi Glass Company, Limited
2781
2
Other owners 43