Assignee
POLY CHANGDA ENG CO LTD
CN·3 granted patents·1 pending application·14 citations·filing 2020–2025
Top patents by PatentIndex Score
4 records- 0185US10914043B1Construction method for a cantilever beam on a central pierPOLY CHANGDA ENG CO LTD·Filed 2020·Granted Feb 9, 2021·12 cites·1 claims
- 0280US12214999B1Intelligent hoisting method for beam segments used in bridgedeck crane systems and a bridge deck crane systemPOLY CHANGDA ENG CO LTD·Filed 2024·Granted Feb 4, 2025·2 cites·10 claims
- 0356US12522990B1Bridge sliding device and a bridge construction systemPOLY CHANGDA ENG CO LTD·Filed 2025·Granted Jan 13, 2026·0 cites·10 claims
- 0448US2025137208A1Bridge sliding device and a bridge construction systemPOLY CHANGDA ENG CO LTD·Filed 2024·Application pending·0 cites
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