Assignee
WENZHOU HONGFENG ELECTRICAL ALLOY CO LTD
CN·3 granted patents·0 citations·filing 2013–2018
Top patents by PatentIndex Score
3 records- 0150US11000889B2Methods for preparing alternating arrangement silvercopper lateral composite ingot and stripWENZHOU HONGFENG ELECTRICAL ALLOY CO LTD·Filed 2018·Granted May 11, 2021·0 cites·17 claims
- 0238US10099286B2Preparation method of electrical contact materialWENZHOU HONGFENG ELECTRICAL ALLOY CO LTD·Filed 2013·Granted Oct 16, 2018·0 cites·18 claims
- 0331US10818447B2Preparation method of rapid composite of long silver-graphite electrical contact material and solder strip materialWENZHOU HONGFENG ELECTRICAL ALLOY CO LTD·Filed 2018·Granted Oct 27, 2020·0 cites·12 claims
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