Inventor · disambiguated record
William Donald Hewson
Also filed as: HEWSON WILLIAM DONALD
4 granted patents·64 citations·filing 1997–2002
75Inventor score
Top patents by PatentIndex Score
4 records- 0182US5958849AHigh performance metal working oilEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Sep 28, 1999·46 cites·6 claims
- 0255US6239082B1Petroleum quench oilEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted May 29, 2001·14 cites·9 claims
- 0349US6271183B1Emulsifiable cutting oil that minimizes graphite paste formation when cutting graphite containing metalsEXXONMOBIL RES & ENG CO·Filed 2000·Granted Aug 7, 2001·2 cites·9 claims
- 0443US6544937B2Demulsification of industrial lubricants containing naphthenic basestocksEXXONMOBIL RES & ENG CO·Filed 2002·Granted Apr 8, 2003·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →