Inventor · disambiguated record
Duane R. De Boef
Also filed as: DE BOEF DUANE R
5 granted patents·237 citations·filing 1994–2008
85Inventor score
Technology areasB02C
Files withVERMEER MFG CO5
Top patents by PatentIndex Score
5 records- 0197US6422495B1Rotary grinder apparatus and methodVERMEER MFG CO·Filed 2000·Granted Jul 23, 2002·113 cites·35 claims
- 0293US6840471B2Rotary grinder apparatus and methodVERMEER MFG CO·Filed 2002·Granted Jan 11, 2005·47 cites·11 claims
- 0389US7213779B2Rotary grinder apparatus and methodVERMEER MFG CO·Filed 2004·Granted May 8, 2007·28 cites·14 claims
- 0484US7959097B2Grinding drum with a cutter arrangement for a direction of rotationVERMEER MFG CO·Filed 2008·Granted Jun 14, 2011·11 cites·8 claims
- 0582US5507441ASwinging hammer for a material reducing machineVERMEER MFG CO·Filed 1994·Granted Apr 16, 1996·38 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →