Inventor · disambiguated record

Ping-Sun Cheung

Also filed as: CHEUNG PING-SUN · CHEUNG PING-SUN R

2 granted patents·82 citations·filing 1991–1996

67Inventor score

Technology areasC04B C09K

Files withNALCO EXXON ENERGY CHEM LP1 WESTERN CO OF NORTH AMERICA1

Top patents by PatentIndex Score

2 records

0179US5217531AFluid loss additives for cementing compositionsWESTERN CO OF NORTH AMERICA·Filed 1991·Granted Jun 8, 1993·50 cites·19 claims
0270US5942031AExpanding additive for cement compositionNALCO EXXON ENERGY CHEM LP·Filed 1996·Granted Aug 24, 1999·32 cites·8 claims

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