CRRC Qishuyan Co., Ltd

China

 
Total IP 25
Total IP Rank # 58,361
IP Activity Score 2.2/5.0    21
IP Activity Rank # 38,909

Patents

Trademarks

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Last Patent 2024 - Distributed high-voltage common ...
First Patent 2016 - Circuit for achieving variable f...

Latest Inventions, Goods, Services

2022 Invention Chassis assembly and welding method. A chassis assembly and welding method, which uses a chassis ...
Invention Distributed high-voltage common rail system. A distributed high-pressure common rail system, comp...
Invention Split-type flywheel housing integrating heat dissipation air duct and egr support. The present in...
Invention Vehicle body for use in remote-controlled driving of locomotive. The present invention relates to...
Invention Novel engine oil adjusting valve. A novel engine oil adjusting valve, relating to the technical f...
2021 Invention Hybrid shunting locomotive traction control method. A hybrid shunting locomotive traction control...
Invention Axle drive system lubricating and sealing structure. An axle drive system lubricating and sealing...
Invention Low-halogen thin wall insulated electrical cable for locomotive. The present invention relates to...
Invention Internal combustion locomotive cab having multistage collision protection function. An internal c...
2020 Invention Air duct system for internal combustion engine locomotive. An air duct system for an internal com...
Invention Bridge inspection vehicle bogie having instability prevention function. A bridge inspection vehic...
Invention Liquid dual-fuel medium-speed diesel engine system and speed governing control method therefor. A...
2019 Invention Power battery energy storage-type tramcar charging system and charging method therefor. A power b...
Invention Bogie adapted to small radius curve and locomotive. A bogie adapted to a small radius curve. The ...
Invention Locomotive four-axle bogie. Disclosed is a locomotive four-axle bogie, comprising a framework (1)...
2018 Invention Transition coupler of ca-3 type coupler. Disclosed is a transition coupler of a CA-3 type coupler...
Invention Novel front-end box of diesel engine. A novel front-end box of a diesel engine, comprising a box ...
Invention Tram drive and traction system employing pure lithium battery. A tram drive and traction system e...
Invention Modularized light-weight internal combustion locomotive body. A modularized light-weight internal...
2017 Invention Method for cyclically disabling cylinders of v-type diesel engine. mnnmnmm/2 degrees working cycl...
Invention Traction control circuit for double-headed locomotives employed upon failure of one locomotive. A...
Invention Wide-rail alternating and direct current transmission internal combustion locomotive. A wide-rail...
2016 Invention Wireless locomotive double-heading test device. A wireless locomotive double-heading test device ...
Invention Ground detection device for locomotive control loop, and control method thereof. The present inve...
Invention Circuit for achieving variable frequency starting of ac diesel locomotive engine based on four-qu...