Patent holdings for IPC class B61B 1/00

Total number of patents in this class: 167

10-year publication summary

20
18
22
16
23
22
24
14
11
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
BYD Company Limited
6041
6
Canadian National Railway Company
155
5
Innova Patent GmbH
205
5
Leitner S.p.A.
86
5
Sandbox Enterprises LLC
139
5
Kaci Intermodal Systems, LLC
6
4
American Solar Rail, LLC
4
4
Advanced Rail Energy Storage, LLC
14
3
BNSF Railway Company
493
3
CRRC Tangshan Co., Ltd.
269
3
Daifuku Co., Ltd.
1035
3
Knorr-Bremse Rail Systems (UK) Limited
27
3
Metrolab
24
3
Electricwaze LLC
13
3
Casco Signal Co., Ltd.
161
3
Concept Systems, Inc.
6
2
CRRC Qingdao Sifang Co., Ltd.
395
2
Hyperloop Technologies, Inc.
124
2
Korea Railroad Research Institute
179
2
Kyosan Electric Mfg. Co., Ltd.
177
2
Other owners 99