Assignee
CRRC QIQIHAR ROLLING STOCK CO LTD
CN·9 granted patents·4 pending applications·0 citations·filing 2015–2023
Top patents by PatentIndex Score
13 records- 0158US2025178580A1Air control valveCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2023·Application pending·0 cites
- 0257US2025196834A1Emergency valve having emergency accelerated release functionCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2023·Application pending·0 cites
- 0353US11560161B2Railway vehicle, coupler, and coupler body thereofCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2019·Granted Jan 24, 2023·0 cites·9 claims
- 0452US11912316B2Vehicle coupler, coupler tongue and coupler bodyCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2019·Granted Feb 27, 2024·0 cites·10 claims
- 0552US2026001522A1Emergency ValveCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2023·Application pending·0 cites
- 0648US2024227471A9Coupler and Vehicle with CouplerCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2022·Application pending·0 cites
- 0745US12252061B2Container locking device and piggyback transport vehicleCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2020·Granted Mar 18, 2025·0 cites·12 claims
- 0842US10569791B2Railway vehicle and joint connector thereofCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2016·Granted Feb 25, 2020·0 cites·16 claims
- 0939US10689011B2Wagon and vehicle body assembly thereofCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2016·Granted Jun 23, 2020·0 cites·19 claims
- 1034US10710613B2Railway freight car bogieCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2017·Granted Jul 14, 2020·0 cites·17 claims
- 1134US10352083B2Compartment and bottom door thereofCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2015·Granted Jul 16, 2019·0 cites·12 claims
- 1232US10569789B2Railway wagon for transporting trucks and method for loading and unloading truckCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2016·Granted Feb 25, 2020·0 cites·13 claims
- 1331US10696311B2Full side openable boxcarCRRC QIQIHAR ROLLING STOCK CO LTD·Filed 2016·Granted Jun 30, 2020·0 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →