Inventor · disambiguated record
John O. L. Roberts
Also filed as: ROBERTS JOHN O L · ROBERTS JR JOHN O
3 granted patents·30 citations·filing 1975–1985
70Inventor score
Top patents by PatentIndex Score
3 records- 0152US4008146AMethod of sludge disposal related to the hot water extraction of tar sandsGREAT CANADIAN OIL SANDS·Filed 1975·Granted Feb 15, 1977·12 cites·11 claims
- 0248US4018664AMethod for reducing mineral content of sludgeGREAT CANADIAN OIL SANDS·Filed 1975·Granted Apr 19, 1977·10 cites·4 claims
- 0338US4792751AApparatus for field testing the performance of a feedforward amplifierGEN INSTRUMENT CORP·Filed 1985·Granted Dec 20, 1988·8 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →