Inventor · disambiguated record
David Johnston
Also filed as: JOHNSTON DAVID · JOHNSTON DAVID J · JOHNSTON DAVID JOHN · JOHNSTON DAVID R
14 granted patents·5 pending applications·2,142 citations·filing 1976–2023
95Inventor score
Files withMITEL SEMICONDUCTOR LTD2ABBOTT LAB1ABIOMED INC1BLACK & DECKER INC1BOSTON SCIENT SCIMED INC1
Top patents by PatentIndex Score
19 records- 0198US8746533B2Surgical stapling device and methodWHITMAN MICHAEL P·Filed 2012·Granted Jun 10, 2014·1.3k cites·17 claims
- 0293US6264222B1Retractable stairway assembly for a vehicleFREIGHTLINER LLC·Filed 1999·Granted Jul 24, 2001·141 cites·27 claims
- 0393US5621603APulse width modulated solenoid driver controllerUNITED TECHNOLOGIES CORP·Filed 1995·Granted Apr 15, 1997·178 cites·9 claims
- 0492US9579101B2Surgical stapling device and methodNEW HOPE VENTURES LP·Filed 2015·Granted Feb 28, 2017·37 cites·10 claims
- 0590US10888349B2Medical device handles and related methodsBOSTON SCIENT SCIMED INC·Filed 2017·Granted Jan 12, 2021·12 cites·17 claims
- 0690US4114851AHigh pressure valveSNO TRIK CO·Filed 1976·Granted Sep 19, 1978·73 cites·15 claims
- 0787US6494694B2Disposable infusion cassette with low air bubble retention and improved valvesABBOTT LAB·Filed 2001·Granted Dec 17, 2002·241 cites·38 claims
- 0885US8352114B2Method and apparatus for docking a robotic device with a charging stationVGO COMMUNICATIONS INC·Filed 2011·Granted Jan 8, 2013·25 cites·21 claims
- 0985US7441942B2System and method for applying an additive to a material streamSARTEC CORP·Filed 2007·Granted Oct 28, 2008·12 cites·18 claims
- 1080US6683509B2Voltage controlled oscillatorsZARLINK SEMICONDUCTOR LTD·Filed 2002·Granted Jan 27, 2004·27 cites·10 claims
- 1179US6178364B1Method of controlling a retractable stairway assemblyFREIGHTLINER CORP·Filed 1999·Granted Jan 23, 2001·58 cites·43 claims
- 1262US6249482B1Synchronous memoryMITEL SEMICONDUCTOR LTD·Filed 2000·Granted Jun 19, 2001·13 cites·10 claims
- 1361US5774042ADevice for providing tactile indication of pedal positionWILLIAMS CONTROL IND INC·Filed 1996·Granted Jun 30, 1998·26 cites·25 claims
- 1460US2024024628A1Medical device support devicesABIOMED INC·Filed 2023·Application pending·0 cites
- 1552US2005187783A1System for personalized combo kit of tools and accessoriesBLACK & DECKER INC·Filed 2005·Application pending·0 cites
- 1649US6198678B1Semiconductor memoriesMITEL SEMICONDUCTOR LTD·Filed 1999·Granted Mar 6, 2001·15 cites·4 claims
- 1749US2006111987A1Personalized combo kit of tools and accessoriesJOHNSTON DAVID R·Filed 2005·Application pending·0 cites
- 1844US2004228207A1System and method for applying an additive to a material streamFiled 2003·Application pending·0 cites
- 1941US2006112625A1Environmentally low-impact fertigation systemMCNEFF CLAYTON V·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →