Assignee

SHANG WEI

CA·1 granted patent·1 pending application·0 citations·filing 2011–2019

Technology mixE21B1 F16C1 H01H1 H05K1 Y02P1

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2 records

0132US2012044036A1Safety Unit Integrated on a Printed Circuit Board and the Printed Circuit BoardSHANG WEI·Filed 2011·Application pending·0 cites
0231US11306768B2Foldable walking beam for sucker rod pumping systemsSHANG WEI·Filed 2019·Granted Apr 19, 2022·0 cites·3 claims

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