Inventor · disambiguated record
Douglas P. Hand
Also filed as: HAND DOUGLAS P
5 granted patents·10 pending applications·43 citations·filing 2001–2012
78Inventor score
Technology areasE03D
Files withHAND DOUGLAS P6
Top patents by PatentIndex Score
15 records- 0181US6484327B2Toilet valve assemblyFiled 2001·Granted Nov 26, 2002·25 cites·23 claims
- 0275US7865979B2Flush valve structure for a toilet tankHAND DOUGLAS P·Filed 2009·Granted Jan 11, 2011·7 cites·21 claims
- 0369US8819874B2Flush valve structure for a toilet tankHAND DOUGLAS P·Filed 2012·Granted Sep 2, 2014·3 cites·37 claims
- 0454US6658673B2Toilet valve assemblyFiled 2002·Granted Dec 9, 2003·6 cites·14 claims
- 0554US2009013456A1Flush valve structure for a toilet tankHAND DOUGLAS P·Filed 2007·Application pending·0 cites
- 0650US2005193483A1Adjustable toilet valve assemblyFiled 2005·Application pending·0 cites
- 0748US6637042B2Toilet valve assemblyFiled 2002·Granted Oct 28, 2003·2 cites·13 claims
- 0847US2006053542A1Adjustable toilet valve assemblyHAND DOUGLAS P·Filed 2005·Application pending·0 cites
- 0944US2010162477A1Flush valve structure for a toilet tankHAND DOUGLAS P·Filed 2010·Application pending·0 cites
- 1043US2013283514A1Flush valve structure for a toilet tankHAND DOUGLAS P·Filed 2012·Application pending·0 cites
- 1143US2004064879A1Flush handles for dual flush-volume toilet systemFiled 2003·Application pending·0 cites
- 1241US2005097664A1Replaceable toilet valve lipFiled 2003·Application pending·0 cites
- 1341US2005091734A1Outflow valve assembly for a toilet tankFiled 2003·Application pending·0 cites
- 1438US2002095719A1Toilet valve assemblyFiled 2001·Application pending·0 cites
- 1537US2002095718A1Toilet valve assemblyFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →