Assignee
CRRC NANJING PUZHEN CO LTD
CN·15 granted patents·4 pending applications·5 citations·filing 2018–2022
Top patents by PatentIndex Score
19 records- 0182US12195056B2Underframe boundary beam connecting structure suitable for railway vehicle with drum-shaped vehicle bodyCRRC NANJING PUZHEN CO LTD·Filed 2020·Granted Jan 14, 2025·2 cites·20 claims
- 0266US12503067B2Driver controller control circuit with mechanical interlock structure of electromagnetic valvesCRRC NANJING PUZHEN CO LTD·Filed 2022·Granted Dec 23, 2025·0 cites·9 claims
- 0362US10913358B2Pantograph remote control circuit for unmanned metro trainCRRC NANJING PUZHEN CO LTD·Filed 2018·Granted Feb 9, 2021·2 cites·9 claims
- 0456US11708056B2Emergency braking control circuit based on coupler coupling detectionCRRC NANJING PUZHEN CO LTD·Filed 2019·Granted Jul 25, 2023·1 cites·12 claims
- 0551US12221139B2Box underframe end structure of railway vehicleCRRC NANJING PUZHEN CO LTD·Filed 2020·Granted Feb 11, 2025·0 cites·17 claims
- 0650US12325394B2Parking brake control method for electromechanical brake system of urban rail vehicleCRRC NANJING PUZHEN CO LTD·Filed 2022·Granted Jun 10, 2025·0 cites·6 claims
- 0750US2024246579A1Aluminum alloy metro vehicle body section bar capable of matching and combiningCRRC NANJING PUZHEN CO LTD·Filed 2021·Application pending·0 cites
- 0848US11964679B2Underframe end structure without bolster beam for rail vehicleCRRC NANJING PUZHEN CO LTD·Filed 2019·Granted Apr 23, 2024·0 cites·12 claims
- 0947US2024010271A1Emu bogie and rubber-tired trainCRRC NANJING PUZHEN CO LTD·Filed 2021·Application pending·0 cites
- 1046US11835422B2Vehicle body contour-based derailment detection method for rail vehicleCRRC NANJING PUZHEN CO LTD·Filed 2019·Granted Dec 5, 2023·0 cites·8 claims
- 1145US11738784B2Logic control system for magnetic track braking of rail transit vehicleCRRC NANJING PUZHEN CO LTD·Filed 2019·Granted Aug 29, 2023·0 cites·10 claims
- 1245US2024253675A1Coupler buffer device mounting structure with small-fastening-torque pushing under compact spaceCRRC NANJING PUZHEN CO LTD·Filed 2021·Application pending·0 cites
- 1343US11807133B2Bus breaker control circuit for railway vehicleCRRC NANJING PUZHEN CO LTD·Filed 2020·Granted Nov 7, 2023·0 cites·17 claims
- 1443US11155286B1Passenger communication output control circuit for unmanned metro trainCRRC NANJING PUZHEN CO LTD·Filed 2018·Granted Oct 26, 2021·0 cites·8 claims
- 1542US12202530B2Intermediate car electric coupler control circuit for subway vehicleCRRC NANJING PUZHEN CO LTD·Filed 2020·Granted Jan 21, 2025·0 cites·10 claims
- 1642US12151717B2Single-door control circuit for trainCRRC NANJING PUZHEN CO LTD·Filed 2020·Granted Nov 26, 2024·0 cites·14 claims
- 1740US2023286580A1Rubber-tired train, and control method and system thereofCRRC NANJING PUZHEN CO LTD·Filed 2021·Application pending·0 cites
- 1839US11845414B2Emergency braking extension device for urban rail vehicleCRRC NANJING PUZHEN CO LTD·Filed 2019·Granted Dec 19, 2023·0 cites·7 claims
- 1938US11770077B2Dual start control circuit for auxiliary inverters of railway vehicleCRRC NANJING PUZHEN CO LTD·Filed 2020·Granted Sep 26, 2023·0 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when CRRC NANJING PUZHEN CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →