Inventor · disambiguated record
John Royce Johnston
Also filed as: JOHNSTON JOHN · JOHNSTON JOHN R · JOHNSTON JOHN ROYCE
6 granted patents·122 citations·filing 1975–2013
83Inventor score
Top patents by PatentIndex Score
6 records- 0188US8800361B1Environment monitorCAMPBELL SCIENT INC·Filed 2013·Granted Aug 12, 2014·12 cites·20 claims
- 0284US7081811B2Multiple sensor heat alarmJOHNSTON JOHN·Filed 2003·Granted Jul 25, 2006·50 cites·21 claims
- 0378US4310922ABit sampling multiplexer apparatusLICHTENBERGER W WAYNE·Filed 1980·Granted Jan 12, 1982·50 cites·16 claims
- 0463US8869608B2Environment monitoring systemCAMPBELL SCIENT INC·Filed 2013·Granted Oct 28, 2014·1 cites·17 claims
- 0528US4138989AFlat plate solar collector systemDOYLE GEORGE H·Filed 1977·Granted Feb 13, 1979·9 cites·1 claims
- 0620US3990506AHeat exchangerDOYLE GEORGE H·Filed 1975·Granted Nov 9, 1976·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →