Inventor · disambiguated record
John R. Casperson
Also filed as: CASPERSON JOHN R
16 granted patents·196 citations·filing 1981–2013
93Inventor score
Top patents by PatentIndex Score
16 records- 0189US9090321B1Propulsion system for multihull watercraftCASPERSON JOHN R·Filed 2013·Granted Jul 28, 2015·14 cites·13 claims
- 0288US4401402ALiquid seal lock hoppers and method of utilizing samePHILLIPS PETROLEUM CO·Filed 1981·Granted Aug 30, 1983·51 cites·30 claims
- 0384US8058546B1Concentrating solar collectorCASPERSON JOHN R·Filed 2008·Granted Nov 15, 2011·9 cites·11 claims
- 0478US8058547B1Concentrating solar panelCASPERSON JOHN R·Filed 2008·Granted Nov 15, 2011·5 cites·5 claims
- 0578US4431624AFeedstock nozzle and use in carbon black processPHILLIPS PETROLEUM CO·Filed 1982·Granted Feb 14, 1984·30 cites·6 claims
- 0668US4447401ACarbon black reactor with angled combustion chamber and non-aligned tangential hot gas entries for production of negative tint residual carbon blackPHILLIPS PETROLEUM CO·Filed 1982·Granted May 8, 1984·19 cites·21 claims
- 0760US4360497AFeedstock nozzle and use in carbon black reactorPHILLIPS PETROLEUM CO·Filed 1981·Granted Nov 23, 1982·14 cites·5 claims
- 0858US4486398AFeedstock nozzle for low tint residual carbon blackPHILLIPS PETROLEUM CO·Filed 1983·Granted Dec 4, 1984·9 cites·11 claims
- 0956US4393603ADryer thermal efficiencyPHILLIPS PETROLEUM CO·Filed 1981·Granted Jul 19, 1983·12 cites·15 claims
- 1050US4431607AFeedstock nozzle for low tint residual carbon blackPHILLIPS PETROLEUM CO·Filed 1981·Granted Feb 14, 1984·6 cites·8 claims
- 1147US4425144ARecovery of carbon blackPHILLIPS PETROLEUM CO·Filed 1981·Granted Jan 10, 1984·11 cites·10 claims
- 1244US4438087ACarbon black processPHILLIPS PETROLEUM CO·Filed 1982·Granted Mar 20, 1984·4 cites·10 claims
- 1340US4826669AMethod for carbon black productionPHILLIPS PETROLEUM CO·Filed 1987·Granted May 2, 1989·6 cites·3 claims
- 1436US4461623ARecovery of carbon blackPHILLIPS PETROLEUM CO·Filed 1982·Granted Jul 24, 1984·5 cites·7 claims
- 1533US4520000AProcess for production of carbon blackPHILLIPS PETROLEUM CO·Filed 1984·Granted May 28, 1985·1 cites·31 claims
- 1630US4406862AVariable venturi carbon black reactorPHILLIPS PETROLEUM CO·Filed 1981·Granted Sep 27, 1983·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →