Patent holdings for IPC class B61H 13/22

Total number of patents in this class: 3

10-year publication summary

0
0
0
0
1
0
0
0
1
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
BYD Company Limited
3700
1
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH
566
1
Nabtesco Corporation
871
1
Other owners 0