Inventor · disambiguated record
David R. Pfund
Also filed as: PFUND DAVID · PFUND DAVID R
29 granted patents·9 pending applications·308 citations·filing 2004–2021
97Inventor score
Files withSYLVAN R SHEMITZ DESIGNS INC19SYLVAN R SHEMITZ DESIGNS LLC8PFUND DAVID R3SCHIEFFELIN ALLISON K2INC SYLVAN R SHEMITZ DESIGNS1
Top patents by PatentIndex Score
38 records- 0192USD599945SWorkstation luminaire with continuous side slotSYLVAN R SHEMITZ DESIGNS INC·Filed 2005·Granted Sep 8, 2009·51 cites·1 claims
- 0292USD580583SWorkstation luminaire with reflective surface featureSYLVAN R SHENITZ DESIGNS INC·Filed 2008·Granted Nov 11, 2008·67 cites·1 claims
- 0383USD747030SLuminaire mounting interfaceSYLVAN R SHEMITZ DESIGNS INC·Filed 2014·Granted Jan 5, 2016·7 cites·1 claims
- 0481US8465190B2Total internal reflective (TIR) optic light assemblyTASKAR NIKHIL·Filed 2010·Granted Jun 18, 2013·7 cites·30 claims
- 0580US8152119B2Luminaire bracket assemblyPFUND DAVID·Filed 2006·Granted Apr 10, 2012·22 cites·14 claims
- 0680US7568818B2Lamp distribution modifier and luminaire having the sameSYLVAN R SHEMITZ DESIGNS INC·Filed 2006·Granted Aug 4, 2009·11 cites·16 claims
- 0777US7360929B2Luminaire with multi-purpose mounting featureSYLVAN R SHEMITZ DESIGNS INC·Filed 2006·Granted Apr 22, 2008·10 cites·20 claims
- 0876US9236738B2Control system for use with one or more building power circuitsSYLVAN R SHEMITZ DESIGNS INC·Filed 2013·Granted Jan 12, 2016·2 cites·19 claims
- 0974USD565234SLuminaire with mounting stanchionSYLVAN R SHEMITZ DESIGNS INC·Filed 2005·Granted Mar 25, 2008·20 cites·1 claims
- 1073USD556362SUplight luminaireSYLVAN R SHEMITZ DESIGNS INC·Filed 2005·Granted Nov 27, 2007·19 cites·1 claims
- 1171USD668382SLuminaireSCHIEFFELIN ALLISON K·Filed 2011·Granted Oct 2, 2012·17 cites·1 claims
- 1269USD563019SWorkstation luminaireSYLVAN R SHEMITZ DESIGNS INC·Filed 2005·Granted Feb 26, 2008·14 cites·1 claims
- 1367US7517116B2Contoured lens for task ambient luminairesSYLVAN R SHEMITZ DESIGNS INC·Filed 2006·Granted Apr 14, 2009·4 cites·10 claims
- 1466USD668383SLuminaireSCHIEFFELIN ALLISON K·Filed 2012·Granted Oct 2, 2012·14 cites·1 claims
- 1566USD564692SWorkstation luminaireSYLVAN R SHEMITZ DESIGNS INC·Filed 2007·Granted Mar 18, 2008·12 cites·1 claims
- 1666US7246924B2High performance lighting louvers and luminairesSYLVAN R SHEMITZ DESIGNS INC·Filed 2004·Granted Jul 24, 2007·12 cites·35 claims
- 1765US9206957B2Asymmetric total internal reflective (TIR) optic light assemblySYLVAN R SHEMITZ DESIGNS INC·Filed 2013·Granted Dec 8, 2015·1 cites·15 claims
- 1857US2018123342A1Control system for use with one or more building power circuitsSYLVAN R SHEMITZ DESIGNS LLC·Filed 2017·Application pending·0 cites
- 1957US2021353805A1Portable disinfection units for office workstationsSYLVAN R SHEMITZ DESIGNS LLC·Filed 2021·Application pending·0 cites
- 2054US8297819B2Light pipe structure and luminaire with light pipe structurePFUND DAVID R·Filed 2010·Granted Oct 30, 2012·1 cites·21 claims
- 2154US2009168413A1Contoured lens for task ambient luminairesSYLVAN R SHEMITZ DESIGNS INC·Filed 2009·Application pending·0 cites
- 2253US2013176743A1Luminaire mounting interfaceINC SYLVAN R SHEMITZ DESIGNS·Filed 2013·Application pending·0 cites
- 2353US2016141871A1Control system for use with one or more building power circuitsSYLVAN R SHEMITZ DESIGNS LLC·Filed 2015·Application pending·0 cites
- 2452USD572399SWorkstation luminaireSYLVAN K SHEMITZ DESIGNS INC·Filed 2005·Granted Jul 1, 2008·10 cites·1 claims
- 2551USD777370SLuminaire mounting interfaceSYLVAN R SHEMITZ DESIGNS LLC·Filed 2015·Granted Jan 24, 2017·0 cites·1 claims
- 2651US7488085B2Compact task ambient luminaire with twin tube lampSYLVAN R SHEMITZ DESIGNS INC·Filed 2006·Granted Feb 10, 2009·0 cites·20 claims
- 2750US7762691B2Luminaire having a contoured surface that redirects received lightSYLVAN R SHEMITZ DESIGNS INC·Filed 2006·Granted Jul 27, 2010·0 cites·29 claims
- 2850US2014133164A1Luminaire mounting interfacePFUND DAVID R·Filed 2014·Application pending·0 cites
- 2950US2015276169A1Multi-mode luminaire and multi-distribution lensSYLVAN R SHEMITZ DESIGNS INC·Filed 2014·Application pending·0 cites
- 3049US10945325B2Color tunable luminaires for offices with changeable ambient light conditionsSYLVAN R SHEMTIZ DESIGNS INC·Filed 2018·Granted Mar 9, 2021·0 cites·7 claims
- 3146US9267672B2Dual control luminaireSYLVAN R SHEMITZ DESIGNS INC·Filed 2013·Granted Feb 23, 2016·0 cites·27 claims
- 3246US7347587B2Apparatus for reducing socket shadowSYLVAN R SHEMITZ DESIGNS INC·Filed 2006·Granted Mar 25, 2008·0 cites·24 claims
- 3344US2011175542A1Dual Control LuminairePFUND DAVID R·Filed 2011·Application pending·0 cites
- 3440USD869046SLuminaireSYLVAN R SHEMITZ DESIGNS LLC·Filed 2017·Granted Dec 3, 2019·2 cites·1 claims
- 3540US2011051435A1Luminaire mounting apparatus and systemSYLVAN R SHEMITZ DESIGNS INC·Filed 2010·Application pending·0 cites
- 3638USD802818SLuminaireSYLVAN R SHEMITZ DESIGNS LLC·Filed 2015·Granted Nov 14, 2017·2 cites·1 claims
- 3738USD802198SLuminaireSYLVAN R SHEMITZ DESIGNS LLC·Filed 2015·Granted Nov 7, 2017·2 cites·1 claims
- 3836USD869045SLuminaireSYLVAN R SHEMITZ DESIGNS LLC·Filed 2017·Granted Dec 3, 2019·1 cites·1 claims
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