Inventor · disambiguated record
Robert A. Francis
Also filed as: FRANCIS ROBERT · FRANCIS ROBERT A · FRANCIS ROBERT ARTHUR
16 granted patents·1 pending application·662 citations·filing 1975–2009
95Inventor score
Top patents by PatentIndex Score
17 records- 0195US6028137AElastomeric compounds incorporating silicon-treated carbon blacksCABOT CORP·Filed 1996·Granted Feb 22, 2000·117 cites·99 claims
- 0294US5830930AElastomeric compounds incorporating silicon-treated carbon blacksCABOT CORP·Filed 1995·Granted Nov 3, 1998·88 cites·19 claims
- 0392US6448309B2Elastomeric compounds incorporating silicon-treated carbon blacksCABOT CORP·Filed 2001·Granted Sep 10, 2002·34 cites·42 claims
- 0491US6323273B1Elastomeric compounds incorporating silicon-treated carbon blacksCABOT CORP·Filed 1999·Granted Nov 27, 2001·44 cites·19 claims
- 0588US5919841AElastomeric compounds incorporating silicon-treated carbon blacksCABOT CORP·Filed 1997·Granted Jul 6, 1999·55 cites·20 claims
- 0688US5877238AElastomeric compounds incorporating silicon-treated carbon blacks and coupling agentsCABOT CORP·Filed 1995·Granted Mar 2, 1999·69 cites·34 claims
- 0785US5948835ASilicon-treated carbon black/elastomer formulations and applicationsCABOT CORP·Filed 1997·Granted Sep 7, 1999·56 cites·19 claims
- 0877US4304426APipe fittingFRANCIS ROBERT A·Filed 1980·Granted Dec 8, 1981·41 cites·11 claims
- 0976US6008272AElastomeric compounds incorporating silicon-treated carbon blacksCABOT CORP·Filed 1998·Granted Dec 28, 1999·36 cites·56 claims
- 1075US7199176B2Elastomeric compounds incorporating silicon-treated carbon blacksCABOT CORP·Filed 2002·Granted Apr 3, 2007·9 cites·20 claims
- 1174US4158461APipe tapping bandsFRANCIS ROBERT A·Filed 1975·Granted Jun 19, 1979·35 cites·1 claims
- 1271US6519786B1Toilet splash shield systemFiled 2000·Granted Feb 18, 2003·14 cites·12 claims
- 1368US5170813ATapping bandsFRANCIS ROBERT A·Filed 1991·Granted Dec 15, 1992·27 cites·14 claims
- 1464US6446663B2Device for holding and storing at least two distinct spoolable pipesCOFLEXIP·Filed 2001·Granted Sep 10, 2002·12 cites·8 claims
- 1555US4036512APipe jointsFRANCIS ROBERT ARTHUR·Filed 1975·Granted Jul 19, 1977·21 cites·1 claims
- 1654US2011105669A1Process of forming vulcanizable elastomeric compositions using ultra accelerators and products formed therefromFLEXSYS AMERICA LP·Filed 2009·Application pending·0 cites
- 1735US6041451ASplash shield for a toiletFiled 1999·Granted Mar 28, 2000·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →