Assignee
HAPPEL HENRY
9 granted patents·414 citations·filing 2004–2008
Top patents by PatentIndex Score
9 records- 0198US7294256B2Storm water filter systemHAPPEL HENRY·Filed 2005·Granted Nov 13, 2007·96 cites·7 claims
- 0297US7959799B2Street curb filter basket systemHAPPEL HENRY·Filed 2005·Granted Jun 14, 2011·61 cites·9 claims
- 0396US7270747B2Storm water drain systemHAPPEL HENRY·Filed 2006·Granted Sep 18, 2007·51 cites·2 claims
- 0495US7153417B2Floating storm water drain basketHAPPEL HENRY·Filed 2005·Granted Dec 26, 2006·49 cites·12 claims
- 0592US7549820B1Curb opening filterHAPPEL HENRY·Filed 2007·Granted Jun 23, 2009·38 cites·6 claims
- 0691US7846327B2Storm water filter system having a floating skimmer apparatusHAPPEL HENRY·Filed 2008·Granted Dec 7, 2010·34 cites·12 claims
- 0790US8034237B2Backwashing filter basketHAPPEL HENRY·Filed 2008·Granted Oct 11, 2011·32 cites·5 claims
- 0885US7981283B2Adjustable filter basket for a storm water drain systemHAPPEL HENRY·Filed 2008·Granted Jul 19, 2011·24 cites·9 claims
- 0985US6979148B2Golf course green storm water filterHAPPEL HENRY·Filed 2004·Granted Dec 27, 2005·29 cites·4 claims
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