Inventor · disambiguated record
John Clark Hanna
Also filed as: HANNA JOHN · HANNA JOHN CLARK
4 granted patents·39 citations·filing 1994–2024
72Inventor score
Top patents by PatentIndex Score
4 records- 0190US8745981B1Ocean powered take-off for multiple rotary drivesHANNA JOHN CLARK·Filed 2013·Granted Jun 10, 2014·25 cites·1 claims
- 0254US8358026B2Wave energy turbine for oscillating water column systemsHANNA JOHN CLARK·Filed 2011·Granted Jan 22, 2013·2 cites·2 claims
- 0328US5514352AApparatus for high speed air oxidation of elemental phosphorous wastes in aqueous mediumFiled 1994·Granted May 7, 1996·12 cites·2 claims
- 0427USD1098439SUltrasound robotCOBIONIX CORP·Filed 2024·Granted Oct 14, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →