Assignee
NELSON DAVID C
US·21 granted patents·4 pending applications·368 citations·filing 1988–2012
Top patents by PatentIndex Score
25 records- 0193US8568190B2Balloon sealing and displaying deviceNELSON DAVID C·Filed 2012·Granted Oct 29, 2013·19 cites·16 claims
- 0293US7854642B2Balloon display simulating motions of a lighter-than-air balloonNELSON DAVID C·Filed 2008·Granted Dec 21, 2010·27 cites·7 claims
- 0391US4895545ABalloon cup holder and stickNELSON DAVID C·Filed 1988·Granted Jan 23, 1990·57 cites·11 claims
- 0490US4798554ABalloon holderNELSON DAVID C·Filed 1988·Granted Jan 17, 1989·57 cites·7 claims
- 0584US9174140B2Balloon inflatorNELSON DAVID C·Filed 2011·Granted Nov 3, 2015·12 cites·10 claims
- 0683US5944576AFormable balloon stick with concealing cupNELSON DAVID C·Filed 1998·Granted Aug 31, 1999·50 cites·14 claims
- 0781US8251111B2Balloon inflatorNELSON DAVID C·Filed 2009·Granted Aug 28, 2012·10 cites·12 claims
- 0879US7850506B2Balloon weight and method for presenting lighter-than-air balloons for retail saleNELSON DAVID C·Filed 2007·Granted Dec 14, 2010·12 cites·1 claims
- 0976US8512091B2Valve and retainer assembly for latex balloonsNELSON DAVID C·Filed 2005·Granted Aug 20, 2013·8 cites·10 claims
- 1073USD720816STransparent clip-style balloon weightNELSON DAVID C·Filed 2011·Granted Jan 6, 2015·19 cites·1 claims
- 1165USD697983SBalloon weightNELSON DAVID C·Filed 2011·Granted Jan 21, 2014·13 cites·1 claims
- 1264USD657000SBalloon weightNELSON DAVID C·Filed 2010·Granted Apr 3, 2012·11 cites·1 claims
- 1363US2010136876A1Underground mining machinery toyNELSON DAVID C·Filed 2008·Application pending·0 cites
- 1462US5989093ABalloon weight and ribbon assemblyNELSON DAVID C·Filed 1997·Granted Nov 23, 1999·21 cites·10 claims
- 1559USD696731SBalloon cupNELSON DAVID C·Filed 2011·Granted Dec 31, 2013·10 cites·1 claims
- 1659US7191902B1Pizza box lid support and serving aidNELSON DAVID C·Filed 2003·Granted Mar 20, 2007·9 cites·4 claims
- 1755US4921402ABalloon inflator valveNELSON DAVID C·Filed 1989·Granted May 1, 1990·19 cites·8 claims
- 1852US2013237121A1Clip-style balloon weight with improved biasing memberNELSON DAVID C·Filed 2012·Application pending·0 cites
- 1951USD719439SBalloon neck-sealing deviceNELSON DAVID C·Filed 2012·Granted Dec 16, 2014·7 cites·1 claims
- 2051US2012289120A1Valve and retainer assembly for latex balloonsNELSON DAVID C·Filed 2011·Application pending·0 cites
- 2145US8906482B2Stackable weights for lighter-than-air balloonsNELSON DAVID C·Filed 2012·Granted Dec 9, 2014·0 cites·10 claims
- 2243US2008026973A1Lubricating oil compositionNELSON DAVID C·Filed 2007·Application pending·0 cites
- 2339USD557707SInflation block for a balloon inflation deviceNELSON DAVID C·Filed 2005·Granted Dec 18, 2007·4 cites·1 claims
- 2436USD629050SBalloon weightNELSON DAVID C·Filed 2010·Granted Dec 14, 2010·2 cites·1 claims
- 2534USD657001SBalloon weightNELSON DAVID C·Filed 2010·Granted Apr 3, 2012·1 cites·1 claims
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