Inventor · disambiguated record
Richard B. Castle
Also filed as: CASTLE RICHARD B
7 granted patents·735 citations·filing 1982–1999
90Inventor score
Files withMINNESOTA MINING & MFG6
Top patents by PatentIndex Score
7 records- 0198US4493875AProppant for well fractures and method of making sameMINNESOTA MINING & MFG·Filed 1983·Granted Jan 15, 1985·370 cites·18 claims
- 0295US6254981B1Fused glassy particulates obtained by flame fusionMINNESOTA MINING & MFG·Filed 1999·Granted Jul 3, 2001·131 cites·85 claims
- 0390US5883029ACompositions comprising fused particulates and methods of making themMINNESOTA MINING & MFG·Filed 1997·Granted Mar 16, 1999·71 cites·53 claims
- 0486US5559170ACompositions comprising fused particulates and methods of making themMINNESOTA MINING & MFG·Filed 1995·Granted Sep 24, 1996·34 cites·21 claims
- 0585US6045913AAt least partly fused particulates and methods of making them by flame fusionMINNESOTA MINING & MFG·Filed 1996·Granted Apr 4, 2000·80 cites·75 claims
- 0672US4432172ABreakaway timber support polesMINNESOTA MINING & MFG·Filed 1982·Granted Feb 21, 1984·37 cites·11 claims
- 0751US5641717ACompositions comprising fused particulates and methods of making sameFiled 1995·Granted Jun 24, 1997·12 cites·53 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →