Inventor · disambiguated record
Richard L. Howell, Jr.
Also filed as: HOWELL JR RICHARD L
4 granted patents·101 citations·filing 1988–2008
79Inventor score
Technology areasE21B
Files withHOWELL JR RICHARD L2
Top patents by PatentIndex Score
4 records- 0173US7640998B2Excavation apparatusHOWELL JR RICHARD L·Filed 2008·Granted Jan 5, 2010·18 cites·23 claims
- 0256US4877091AAugering apparatus and drilling rigHOWELL JR RICHARD L·Filed 1988·Granted Oct 31, 1989·33 cites·32 claims
- 0354US5746277ADrilling apparatusFiled 1995·Granted May 5, 1998·40 cites·29 claims
- 0442US6725946B2Excavation apparatusFiled 2001·Granted Apr 27, 2004·10 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →