Patent holdings for IPC class B61H 11/06

Total number of patents in this class: 41

10-year publication summary

2
2
1
6
2
4
8
3
2
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
CRRC Tangshan Co., Ltd.
254
4
CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd.
85
3
Qingdao SRI Technology Co., Ltd.
18
3
CRRC Zhuzhou Locomotive Co., Ltd
248
3
CRRC Changchun Railway Vehicles Co., Ltd.
235
3
Mitsubishi Electric Corporation
45693
2
Ireco, LLC
26
2
Nabtesco Corporation
886
2
New York Air Brake LLC
265
2
Wabtec Holding Corp.
370
2
CRRC Dalian Co., Ltd.
59
2
CRRC Braking System Co., Ltd.
12
2
BYD Company Limited
4742
1
CRRC Qingdao Sifang Co., Ltd.
378
1
Railway Technical Research Institute
39
1
CRRC Shandong Co., Ltd.
29
1
Meishan CRRC Brake Science & Technology Co., Ltd.
26
1
CRRC Qishuyan Institute Co., Ltd.
54
1
Knorr-Bremse Systems For Rail Vehicles (Suzhou) Co ., Ltd.
6
1
CRRC Changzhou Tech-mark Industrial Co., Ltd.
23
1
Other owners 3