Inventor · disambiguated record
Donald Stephen Hopkins
Also filed as: HOPKINS DONALD S · HOPKINS DONALD STEPHEN
5 granted patents·175 citations·filing 1991–2001
84Inventor score
Technology areasC04B
Top patents by PatentIndex Score
5 records- 0188US5849075ACementitious composition containing bottom ash as pozzolan and concretes and mortars therefromLAFARGE CANADA INC·Filed 1997·Granted Dec 15, 1998·67 cites·17 claims
- 0279US6391105B1Enhancement of cement clinker yieldLAFARGE CANADA INC·Filed 2001·Granted May 21, 2002·25 cites·20 claims
- 0374US5928420ACement composition for alkali-reactive aggregate and for sulphate resistanceLAFARGE CANADA INC·Filed 1998·Granted Jul 27, 1999·31 cites·17 claims
- 0469US5735947ACement with air-cooled slag and silica fumeLAFARGE CANADA INC·Filed 1997·Granted Apr 7, 1998·26 cites·16 claims
- 0566US5223035APozzolan blendsLAFARAGE CANADA INC·Filed 1991·Granted Jun 29, 1993·26 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →