Inventor · disambiguated record

Royce D. Johnson

Also filed as: JOHNSON ROYCE D · JOHNSON ROYCE DALE

2 granted patents·132 citations·filing 1997–2004

70Inventor score

Technology areasB01F B67D

Files withECOLAB INC2

Top patents by PatentIndex Score

2 records

0193US7410623B2Method and apparatus for mass based dispensingECOLAB INC·Filed 2004·Granted Aug 12, 2008·82 cites·8 claims
0272US5915592AMethod and apparatus for dispensing a use solutionECOLAB INC·Filed 1997·Granted Jun 29, 1999·50 cites·8 claims

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