Inventor · disambiguated record
Demetrius Calvin Ham
Also filed as: HAM DEMETRIUS C · HAM DEMETRIUS CALVIN
8 granted patents·3 pending applications·134 citations·filing 2002–2012
88Inventor score
Top patents by PatentIndex Score
11 records- 0193US6845547B2Vertical door conversion kitFiled 2002·Granted Jan 25, 2005·54 cites·10 claims
- 0288US7812500B1Generator / electric motorHAM DEMETRIUS CALVIN·Filed 2008·Granted Oct 12, 2010·20 cites·20 claims
- 0384US7059655B2Vertical door conversion kitDECAH LLC·Filed 2003·Granted Jun 13, 2006·27 cites·26 claims
- 0476US7140075B2Vertical door conversion kit with lag mechanism and motion range limiterDECAH LLC·Filed 2004·Granted Nov 28, 2006·18 cites·27 claims
- 0572US7941897B1Vertical door conversion kitVERTICAL DOORS INC·Filed 2009·Granted May 17, 2011·7 cites·24 claims
- 0669US8151417B1Vertical door conversion kitHAM DEMETRIUS CALVIN·Filed 2011·Granted Apr 10, 2012·5 cites·21 claims
- 0759US2009293924A1Automatic umbrellaHAM DEMETRIUS CALVIN·Filed 2008·Application pending·0 cites
- 0858US7552514B2Vertical door conversion kitVERTICAL DOORS INC·Filed 2006·Granted Jun 30, 2009·2 cites·3 claims
- 0952US8756763B1Vertical door conversion kitHAM DEMETRIUS CALVIN·Filed 2012·Granted Jun 24, 2014·1 cites·20 claims
- 1051US2009295187A1Car door hingeHAM DEMETRIUS CALVIN·Filed 2008·Application pending·0 cites
- 1141US2009084112A1Thermoelectric vehicle engine air coolerHAM DEMETRIUS CALVIN·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →