Assignee
NANAYAKKARA LAKDAS
27 granted patents·5 pending applications·275 citations·filing 1992–2021
Top patents by PatentIndex Score
32 records- 0193USD361042SCombined wristwatch and pager with band portionsNANAYAKKARA LAKDAS·Filed 1994·Granted Aug 8, 1995·42 cites·1 claims
- 0291US7571577B2Blast protective barrier systemNANAYAKKARA LAKDAS·Filed 2007·Granted Aug 11, 2009·22 cites·21 claims
- 0383US7051484B2Metal stud frame element construction panelNANAYAKKARA LAKDAS·Filed 2003·Granted May 30, 2006·30 cites·6 claims
- 0481US8749086B2Deep water hydro-electric power systemNANAYAKKARA LAKDAS·Filed 2013·Granted Jun 10, 2014·4 cites·20 claims
- 0579US9340977B2Multi-element constructional assembly for joist girdersNANAYAKKARA LAKDAS·Filed 2015·Granted May 17, 2016·4 cites·5 claims
- 0678US7165916B2Method of on-site construction of concrete column and panel fence systemNANAYAKKARA LAKDAS·Filed 2004·Granted Jan 23, 2007·22 cites·4 claims
- 0777USD686756SConstructional long blockNANAYAKKARA LAKDAS·Filed 2012·Granted Jul 23, 2013·21 cites·1 claims
- 0876US9067652B2Surfboard with safety mechanismNANAYAKKARA LAKDAS·Filed 2013·Granted Jun 30, 2015·5 cites·6 claims
- 0972US9890533B2Metal stud frame elementNANAYAKKARA LAKDAS·Filed 2015·Granted Feb 13, 2018·2 cites·10 claims
- 1072US8987932B2Deep water hydro-electric power systemNANAYAKKARA LAKDAS·Filed 2014·Granted Mar 24, 2015·2 cites·22 claims
- 1169US6988347B2Metal stud frame elementNANAYAKKARA LAKDAS·Filed 2003·Granted Jan 24, 2006·15 cites·12 claims
- 1268USD361723SCombined wristwatch and pager with band portionsNANAYAKKARA LAKDAS·Filed 1993·Granted Aug 29, 1995·13 cites·1 claims
- 1365US7308778B2Metal stud frameNANAYAKKARA LAKDAS·Filed 2003·Granted Dec 18, 2007·13 cites·4 claims
- 1464USD691287SSquare masonry blockNANAYAKKARA LAKDAS·Filed 2013·Granted Oct 8, 2013·9 cites·1 claims
- 1564USD365285SCombined wristwatch and pager with band portionsNANAYAKKARA LAKDAS·Filed 1993·Granted Dec 19, 1995·11 cites·1 claims
- 1662USD361724SCombined wristwatch and pager with band portionsNANAYAKKARA LAKDAS·Filed 1993·Granted Aug 29, 1995·10 cites·1 claims
- 1761USD691288SInterlocking pavement blockNANAYAKKARA LAKDAS·Filed 2013·Granted Oct 8, 2013·8 cites·1 claims
- 1859USD364570SCombined wristwatch and pager with band portionsNANAYAKKARA LAKDAS·Filed 1993·Granted Nov 28, 1995·9 cites·1 claims
- 1956US11660367B2Airborn pathogen disenfecting system for an HVAC systemNANAYAKKARA LAKDAS·Filed 2021·Granted May 30, 2023·0 cites·9 claims
- 2056US2007056240A1Press-formable light-gauge truss framing elementNANAYAKKARA LAKDAS·Filed 2005·Application pending·0 cites
- 2155US2006242922A1Multi-element constructional assemblyNANAYAKKARA LAKDAS·Filed 2005·Application pending·0 cites
- 2251USD675749SElongate inter-locking construction blockNANAYAKKARA LAKDAS·Filed 2012·Granted Feb 5, 2013·7 cites·1 claims
- 2349USD674917SElongate inter-locking construction blockNANAYAKKARA LAKDAS·Filed 2012·Granted Jan 22, 2013·6 cites·1 claims
- 2446USD362394SCombined wristwatch and pager with band portionsNANAYAKKARA LAKDAS·Filed 1993·Granted Sep 19, 1995·5 cites·1 claims
- 2546US2012036813A9Multi-element constructional assemblyNANAYAKKARA LAKDAS·Filed 2010·Application pending·0 cites
- 2645US2015059275A1Construction System Using Metal Stud Frame ElementNANAYAKKARA LAKDAS·Filed 2013·Application pending·0 cites
- 2743USD674918SSquare masonry blockNANAYAKKARA LAKDAS·Filed 2012·Granted Jan 22, 2013·3 cites·1 claims
- 2842USD683055SInter-locking construction blockNANAYAKKARA LAKDAS·Filed 2012·Granted May 21, 2013·4 cites·1 claims
- 2940USD679416SGarden blockNANAYAKKARA LAKDAS·Filed 2012·Granted Apr 2, 2013·3 cites·1 claims
- 3036USD695914SInter-locking construction blockNANAYAKKARA LAKDAS·Filed 2012·Granted Dec 17, 2013·2 cites·1 claims
- 3134US2016307561A1System for Providing Assistance to the Visually ImpairedNANAYAKKARA LAKDAS·Filed 2016·Application pending·0 cites
- 3231US5222836APassive resistive retaining wall structureNANAYAKKARA LAKDAS·Filed 1992·Granted Jun 29, 1993·3 cites·10 claims
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