Inventor · disambiguated record
Derrel Spencer
Also filed as: SPENCER DERREL L
4 granted patents·4 pending applications·46 citations·filing 2004–2008
75Inventor score
Technology areasE04G
Top patents by PatentIndex Score
8 records- 0174US7290749B1Concrete form systems with concrete tiesCACTUS HOLDINGS LLC·Filed 2004·Granted Nov 6, 2007·24 cites·7 claims
- 0268US7780894B2System for defining openings in tilt-up wallsJONES KURTIS D·Filed 2006·Granted Aug 24, 2010·6 cites·23 claims
- 0365US7832705B2Grade bracket for use in concrete form systemSPENCER DERREL L·Filed 2006·Granted Nov 16, 2010·5 cites·8 claims
- 0459US7331560B2Concrete form systemsCACTUS HOLDINGS LLC·Filed 2004·Granted Feb 19, 2008·11 cites·12 claims
- 0557US2008142678A1Concrete form and systemJESSOP L ALMA·Filed 2008·Application pending·0 cites
- 0656US2008022618A1Concrete form system with skin panelJESSOP L A·Filed 2007·Application pending·0 cites
- 0748US2008067308A1Trench kicker for use in a concrete form systemJONES KURTIS D·Filed 2007·Application pending·0 cites
- 0846US2007131840A1Integral form panel for concrete form systemJONES KURTIS D·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →