Inventor · disambiguated record
Robert O'Brien
Also filed as: O'BRIEN ROBERT · O'BRIEN ROBERT P
5 granted patents·1 pending application·68 citations·filing 1981–2020
78Inventor score
Files withCALGON CARBON CORP3DIAMOND WEST ENERGY CORP1HYDROCARBON RESEARCH INC1REFRACTORY INTELLECTUAL PROPERTY GMBH & CO KG1
Top patents by PatentIndex Score
6 records- 0172US4406872ADesulfurization of delayed petroleum cokeDIAMOND WEST ENERGY CORP·Filed 1981·Granted Sep 27, 1983·25 cites·3 claims
- 0265US4879021AHydrogenation of coal and subsequent liquefaction of hydrogenated undissolved coalHYDROCARBON RESEARCH INC·Filed 1988·Granted Nov 7, 1989·21 cites·17 claims
- 0359US4544488AAir stripping/adsorption process for removing organics from waterCALGON CARBON CORP·Filed 1984·Granted Oct 1, 1985·22 cites·11 claims
- 0454US9312077B2Double layer capacitorsCALGON CARBON CORP·Filed 2012·Granted Apr 12, 2016·0 cites·14 claims
- 0547US2016217938A1Double layer capacitorsCALGON CARBON CORP·Filed 2016·Application pending·0 cites
- 0646US11384021B2Grains for the production of a sintered refractory product, a batch for the production of a sintered refractory product, a process for the production of a sintered refractory product and a sintered refractory productREFRACTORY INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Granted Jul 12, 2022·0 cites·14 claims
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