Inventor · disambiguated record

Chung Jie Vinsing Ching

Also filed as: CHING CHUNG JIE VINSING

1 granted patent·1 pending application·0 citations·filing 2013–2015

4Inventor score

Technology areasB28D E21B

Files withCHING CHUNG JIE VINSING1 CHUN WAH DEV LTD1

Top patents by PatentIndex Score

2 records

0120US9458673B2Hard-rock core barrel roller cutter assemblyCHING CHUNG JIE VINSING·Filed 2013·Granted Oct 4, 2016·0 cites·1 claims
029US2016201434A1Modular drilling reamerCHUN WAH DEV LTD·Filed 2015·Application pending·0 cites

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Chung Jie Vinsing Ching — Patent Inventor | PatentIndex