Inventor · disambiguated record
Duane Harthoorn
Also filed as: HARTHOORN DUANE · HARTHOORN DUANE A · HARTHOORN DUANE ALLEN
17 granted patents·3 pending applications·217 citations·filing 1995–2025
94Inventor score
Top patents by PatentIndex Score
20 records- 0195US10737275B2Mill box for a horizontal grinderVERMEER MFG CO·Filed 2017·Granted Aug 11, 2020·10 cites·11 claims
- 0294US7441719B2Mill box for materials grinderVERMEER MFG CO·Filed 2005·Granted Oct 28, 2008·25 cites·14 claims
- 0393US10086382B2Material reducing apparatus including an automatically positioned thrown object deflectorVERMEER MFG CO·Filed 2015·Granted Oct 2, 2018·13 cites·20 claims
- 0492US6843435B2Mill box for materials grinderVERMEER MFG CO·Filed 2002·Granted Jan 18, 2005·41 cites·12 claims
- 0589US6978955B2Mill box for materials grinderVERMEER MFG CO·Filed 2004·Granted Dec 27, 2005·25 cites·13 claims
- 0687US11484886B2Shredder for comminuting bulk materialVERMEER MFG CO·Filed 2019·Granted Nov 1, 2022·3 cites·22 claims
- 0785US7971818B2Apparatus and method for supporting a removable anvilVERMEER MFG CO·Filed 2008·Granted Jul 5, 2011·12 cites·20 claims
- 0884US7461802B2Apparatus and method for supporting a removable anvilVERMEER MFG CO·Filed 2004·Granted Dec 9, 2008·20 cites·17 claims
- 0981US8245961B2Material reducing apparatus having features for enhancing reduced material size uniformityVROOM DANIEL JAMES·Filed 2010·Granted Aug 21, 2012·9 cites·18 claims
- 1081US2025269381A1Shredder for comminuting bulk materialVERMEER MFG CO·Filed 2025·Application pending·0 cites
- 1180US5682958ARear wheel assist for a self-propelled scraperDEERE & CO·Filed 1995·Granted Nov 4, 1997·38 cites·15 claims
- 1277US10335796B2Sizing screens for comminuting machinesVERMEER MFG CO·Filed 2016·Granted Jul 2, 2019·1 cites·27 claims
- 1377US8104701B2Apparatus and method for supporting a removable anvilSMIDT BRIAN·Filed 2008·Granted Jan 31, 2012·8 cites·25 claims
- 1467US11498080B2Mill box for a horizontal grinderVERMEER MFG CO·Filed 2020·Granted Nov 15, 2022·0 cites·18 claims
- 1567US9505007B2Deflection structure for tub grinderVERMEER MFG CO·Filed 2013·Granted Nov 29, 2016·2 cites·31 claims
- 1660US12023745B2Cutter wheel wear inserts and mountingVERMEER MFG CO·Filed 2022·Granted Jul 2, 2024·0 cites·18 claims
- 1760US9192964B2Material reducing apparatus having features for enhancing reduced material size uniformityVROOM DANIEL JAMES·Filed 2012·Granted Nov 24, 2015·1 cites·12 claims
- 1851USD452294SHydraulic fluid tankFiled 2000·Granted Dec 18, 2001·9 cites·1 claims
- 1947US2013200188A1Sizing screens for comminuting machinesVERMEER MFG CO·Filed 2013·Application pending·0 cites
- 2038US2013341449A1Anvil unit for a material reducing machineDUX DARIN LYN·Filed 2011·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →