Inventor
PEI YINYIN
CN8 patents
Patents
8 patentsUS10987747B2Apr 27, 2021
Brazing material outer coat and preparation method thereof, in-situ synthetic metal-coated flux-cored silver brazing material, preparation method thereof, welding method and joint body
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations56
US11845146B2Dec 19, 2023
Brazing wire, forming method of brazing wire and forming mold of brazing wire
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations54
US12447561B2Oct 21, 2025
Copper-phosphorus brazing foil and preparation method thereof
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations53
US12420361B2Sep 23, 2025
Braze coating material with nickel core and coating and preparation method and braze coating method thereof
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations53
US12290882B2May 6, 2025
Copper-phosphorus-zinc-tin brazing sheet and preparation method and use thereof
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations53
US12109652B2Oct 8, 2024
Copper-tin brazing wire and preparation method and use thereof
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations53
US12103113B2Oct 1, 2024
Copper-phosphorus brazing wire for brazing copper alloy spectacle frame as well as preparing method and system thereof
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations52
US11660709B2May 30, 2023
Device and method for manufacturing coated welding rod
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations44