Inventor · disambiguated record
Charles H. Washburn
Also filed as: WASHBURN CHARLES H
4 granted patents·45 citations·filing 1991–1997
77Inventor score
Top patents by PatentIndex Score
4 records- 0159US5989486AApparatus for removal of the mercury from granulated materialsSUMMIT VALLEY EQUIPMENT AND EN·Filed 1997·Granted Nov 23, 1999·17 cites·6 claims
- 0249US5891216AOven mercury retorting deviceSUMMIT VALLEY EQUIPMENT AND EN·Filed 1997·Granted Apr 6, 1999·9 cites·25 claims
- 0338US5264078AApparatus and method for spray drying solids-laden high temperature gasesAPTUS INC·Filed 1991·Granted Nov 23, 1993·10 cites·11 claims
- 0436US5360511AApparatus and method for spray drying solids-laden high temperature gasesAPTUS INC·Filed 1993·Granted Nov 1, 1994·9 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →