Inventor · disambiguated record
Robert Johnston
Also filed as: JOHNSTON ROBERT · JOHNSTON ROBERT B · JOHNSTON ROBERT BOYD
8 granted patents·397 citations·filing 1979–2011
89Inventor score
Top patents by PatentIndex Score
8 records- 0191US6550376B2Twin screw press with interrupted flightsFiled 2001·Granted Apr 22, 2003·31 cites·1 claims
- 0288US4305872APolypeptide derivativesWINGROVE KENNETH·Filed 1979·Granted Dec 15, 1981·96 cites·14 claims
- 0375US6023932ATopical cooling deviceFiled 1998·Granted Feb 15, 2000·161 cites·8 claims
- 0468USD655364SBuoyant assistive deviceJOHNSTON ROBERT·Filed 2011·Granted Mar 6, 2012·16 cites·1 claims
- 0565US5140630AAdded main line apparatusLIGHT LOGIC LTD·Filed 1991·Granted Aug 18, 1992·54 cites·12 claims
- 0646US4880149ALiquid metering deviceAUTOMATED BACTERIA COUNTING·Filed 1987·Granted Nov 14, 1989·25 cites·8 claims
- 0743US6117321AExternal tension adjustment device for a filtering sleeve in a filtering machineFiled 1999·Granted Sep 12, 2000·13 cites·1 claims
- 0824US4841905ASample processing unitAUTOMATED BACTERIA COUNTING·Filed 1987·Granted Jun 27, 1989·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →