Inventor · disambiguated record

Lye Heng Chang

Also filed as: CHANG LYE HENG

2 granted patents·5 citations·filing 2014–2015

48Inventor score

Technology areasF04D

Files withSCHLUMBERGER TECHNOLOGY CORP2

Top patents by PatentIndex Score

2 records

0177US10451079B2Electric submersible pump componentsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Oct 22, 2019·4 cites·20 claims
0257US9683571B2Centrifugal pump stage with increased compressive load capacitySCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Jun 20, 2017·1 cites·12 claims

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