Inventor · disambiguated record

Dirkson D. S. Liu

Also filed as: LIU DIRKSON D S

2 granted patents·105 citations·filing 1982–1989

67Inventor score

Technology areasC10G G01P

Files withCA ATOMIC ENERGY LTD1 PETRO CANADA INC1

Top patents by PatentIndex Score

2 records

0188US4969988AAntifoam to achieve high conversion in hydroconversion of heavy oilsPETRO CANADA INC·Filed 1989·Granted Nov 13, 1990·81 cites·11 claims
0271US4537503AMultiple measuring control volume laser doppler anemometerCA ATOMIC ENERGY LTD·Filed 1982·Granted Aug 27, 1985·24 cites·8 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →