Inventor · disambiguated record
David Liu
Also filed as: LIU DAVID · LIU DAVID C
24 granted patents·7 pending applications·619 citations·filing 1979–2015
97Inventor score
Files withLIU DAVID15LIU DAVID C9AMAZON TECH INC1CITRAWIREJA SAMINO1SIEMENS HEALTHCARE DIAGNOSTICS INC1
Top patents by PatentIndex Score
31 records- 0194US8166718B2Horizontally engineered hardwood floor and method of installationLIU DAVID C·Filed 2008·Granted May 1, 2012·62 cites·18 claims
- 0294US8029880B2Water resistant wide flooring boardsLIU DAVID C·Filed 2008·Granted Oct 4, 2011·51 cites·23 claims
- 0393US7536322B1Identifying early adopters and items adopted by themAMAZON TECH INC·Filed 2004·Granted May 19, 2009·129 cites·19 claims
- 0492US8191328B1Hardwood flooring with sliding locking mechanismLIU DAVID C·Filed 2011·Granted Jun 5, 2012·37 cites·13 claims
- 0592US8037656B2Flooring boards with press down locking mechanismLIU DAVID C·Filed 2008·Granted Oct 18, 2011·36 cites·26 claims
- 0688US10140705B2Drawer vision systemSIEMENS HEALTHCARE DIAGNOSTICS INC·Filed 2015·Granted Nov 27, 2018·9 cites·20 claims
- 0788US7805903B2Locking mechanism for flooring boardsLIU DAVID C·Filed 2007·Granted Oct 5, 2010·22 cites·10 claims
- 0882US6360457B1Health care shoeFiled 2000·Granted Mar 26, 2002·63 cites·8 claims
- 0977USD562008SBrush gripLIU DAVID·Filed 2007·Granted Feb 19, 2008·22 cites·1 claims
- 1071US4896927ACombination clip-board and caseLIU DAVID·Filed 1989·Granted Jan 30, 1990·29 cites·3 claims
- 1170US5058242APen holder for a clip-boardLIU DAVID·Filed 1990·Granted Oct 22, 1991·27 cites·1 claims
- 1266USD562000SSnow brushLIU DAVID·Filed 2007·Granted Feb 19, 2008·14 cites·1 claims
- 1366USD562006SSnow brushLIU DAVID·Filed 2007·Granted Feb 19, 2008·14 cites·1 claims
- 1464USD561999SSnow brushLIU DAVID·Filed 2007·Granted Feb 19, 2008·13 cites·1 claims
- 1564USD421539SSeat back with armrestLIU DAVID·Filed 1998·Granted Mar 14, 2000·12 cites·1 claims
- 1660USD562565SSnow brushLIU DAVID·Filed 2007·Granted Feb 26, 2008·11 cites·1 claims
- 1759US2011030300A1Floor And Tile With PaddingLIU DAVID C·Filed 2009·Application pending·0 cites
- 1858US2010236171A1Preinstalled glue system for floorLIU DAVID C·Filed 2009·Application pending·0 cites
- 1955US4269439ADoor holdback deviceUTILITY TRAILER MFG·Filed 1979·Granted May 26, 1981·13 cites·11 claims
- 2054US2009212051A1Rainwater Collection and Storage SystemLIU DAVID C·Filed 2008·Application pending·0 cites
- 2153US2009277974A1Lawn And Garden Sprinkler HousingCITRAWIREJA SAMINO·Filed 2009·Application pending·0 cites
- 2252US4961249AClipboard structureLIU DAVID·Filed 1990·Granted Oct 9, 1990·16 cites·2 claims
- 2346US2011036041A1Locking mechanism for flooring boardsLIU DAVID C·Filed 2010·Application pending·0 cites
- 2446US2005211280A1Multifunction vehicular surface cleaning systemLIU DAVID·Filed 2004·Application pending·0 cites
- 2545USD561998SSnow brushLIU DAVID·Filed 2007·Granted Feb 19, 2008·5 cites·1 claims
- 2642USD562007SSnow brushLIU DAVID·Filed 2007·Granted Feb 19, 2008·4 cites·1 claims
- 2742US6151807AHealth care shoeFiled 1999·Granted Nov 28, 2000·22 cites·16 claims
- 2842US2012017528A1Floor and tile system with padLIU DAVID·Filed 2010·Application pending·0 cites
- 2939USD562002SSnow brushLIU DAVID·Filed 2007·Granted Feb 19, 2008·3 cites·1 claims
- 3039USD562001SSnow brushLIU DAVID·Filed 2007·Granted Feb 19, 2008·3 cites·1 claims
- 3135USD475796SIndustrial dust control doorFiled 2002·Granted Jun 10, 2003·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →