Assignee
CHONGYI ZHANGYUAN TUNGSTEN CO LTD
CN·4 granted patents·3 citations·filing 2023–2024
Top patents by PatentIndex Score
4 records- 0185US11965227B1Metal ceramic and preparation method thereofCHONGYI ZHANGYUAN TUNGSTEN CO LTD·Filed 2023·Granted Apr 23, 2024·1 cites·5 claims
- 0282US11999626B1Leaching method of scheeliteCHONGYI ZHANGYUAN TUNGSTEN CO LTD·Filed 2023·Granted Jun 4, 2024·1 cites·10 claims
- 0381US12365967B1Tungsten wire containing lanthanum, rhenium and yttrium and preparation method thereofCHONGYI ZHANGYUAN TUNGSTEN CO LTD·Filed 2024·Granted Jul 22, 2025·1 cites·5 claims
- 0457US12485477B1Coarse grain cemented carbide and preparation method thereofCHONGYI ZHANGYUAN TUNGSTEN CO LTD·Filed 2024·Granted Dec 2, 2025·0 cites·5 claims
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