Inventor · disambiguated record
Charles F. Roark
Also filed as: ROARK CHARLES F · ROARK CHARLES FREDERICK
5 granted patents·101 citations·filing 1976–1979
82Inventor score
Top patents by PatentIndex Score
5 records- 0174US4282861AWater heating system using solar energyROARK CHARLES F·Filed 1979·Granted Aug 11, 1981·29 cites·3 claims
- 0266US4287879AWater heating system using solar energyROARK CHARLES F·Filed 1979·Granted Sep 8, 1981·21 cites·22 claims
- 0356US4132222ASolar energy collectorROARK CHARLES F·Filed 1976·Granted Jan 2, 1979·16 cites·7 claims
- 0455US4236506ASolar energy collectorROARK CHARLES F·Filed 1978·Granted Dec 2, 1980·21 cites·4 claims
- 0540US4084580ACombination solar collector and heat exchangerROARK CHARLES FREDERICK·Filed 1976·Granted Apr 18, 1978·14 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →