Inventor · disambiguated record
Thomas J. Van Dan Elzen
Also filed as: VAN DAN ELZEN THOMAS J
9 granted patents·2 pending applications·123 citations·filing 1996–2011
89Inventor score
Technology areasA63H
Top patents by PatentIndex Score
11 records- 0187US8187052B2Motorized yo-yo having improved efficiencyVAN DAN ELZEN HANS W·Filed 2010·Granted May 29, 2012·13 cites·20 claims
- 0284US7448934B2Motor yo-yoVAN DAN ELZEN HANS W·Filed 2005·Granted Nov 11, 2008·13 cites·23 claims
- 0379US7874891B2Motorized yo-yoVAN DAN ELZEN HANS W·Filed 2008·Granted Jan 25, 2011·8 cites·19 claims
- 0468US5813898AYo-yo having engagement pads proximate its axlePLAYMAXX INC·Filed 1997·Granted Sep 29, 1998·20 cites·25 claims
- 0561US6155903AYo-yo having engagement pads proximate its axlePLAYMAXX INC·Filed 1999·Granted Dec 5, 2000·16 cites·16 claims
- 0657US5951361AYo-yo having engagement pads proximate its axlePLAYMAXX INC·Filed 1998·Granted Sep 14, 1999·14 cites·17 claims
- 0754US5813897AYo-yo having an improved tether engagement areaPLAYMAXX INC·Filed 1997·Granted Sep 29, 1998·17 cites·14 claims
- 0849US2012244780A1Yo-yo having a changeable shapeVAN DAN ELZEN HANS W·Filed 2011·Application pending·0 cites
- 0948US2011009029A1Yo-yo having quickly-adjustable responsivenessVAN DAN ELZEN HANS W·Filed 2010·Application pending·0 cites
- 1040US5769686AYo-yo having an improved axle and insert retainerPLAYMAXX INC·Filed 1996·Granted Jun 23, 1998·14 cites·21 claims
- 1136US6089945AYo-yo having a multi-image lenticular instruction systemPLAYMAXX INC·Filed 1999·Granted Jul 18, 2000·8 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →