Inventor · disambiguated record
William M. Duncan, Jr.
Also filed as: DUNCAN JR WILLIAM M · DUNCAN WILLIAM M · DUNCAN WILLIAM MAX
6 granted patents·363 citations·filing 1994–2003
88Inventor score
Top patents by PatentIndex Score
6 records- 0191US6593279B2Acid based micro-emulsionsINTEGRITY IND INC·Filed 1999·Granted Jul 15, 2003·137 cites·44 claims
- 0289US5587354ADrilling fluid and drilling fluid additiveINTEGRITY IND INC·Filed 1994·Granted Dec 24, 1996·72 cites·10 claims
- 0382US6984610B2Acid based micro-emulsions of surfactants and solventsINTEGRITY IND INC·Filed 2003·Granted Jan 10, 2006·62 cites·20 claims
- 0476US5559085AOrganic liquid base drilling fluid with terpeneINTEGRITY IND INC·Filed 1994·Granted Sep 24, 1996·32 cites·15 claims
- 0575US5942468AInvert emulsion well drilling and servicing fluidsTEXAS UNITED CHEMICAL CORP·Filed 1998·Granted Aug 24, 1999·38 cites·19 claims
- 0668US5547925ALow toxicity terpene drilling fluid and drilling fluid additiveINTEGRITY IND INC·Filed 1994·Granted Aug 20, 1996·22 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →