Inventor · disambiguated record
Richard David Zaun
Also filed as: ZAUN RICHARD D · ZAUN RICHARD DAVID
16 granted patents·2 pending applications·433 citations·filing 1990–2005
94Inventor score
Files withDEERE & CO16
Top patents by PatentIndex Score
18 records- 0197USD429258STillage sweepDEERE & CO·Filed 1999·Granted Aug 8, 2000·88 cites·1 claims
- 0297USD429256STillage sweepDEERE & CO·Filed 1999·Granted Aug 8, 2000·88 cites·1 claims
- 0397USD415173STillage sweepDEERE & CO·Filed 1998·Granted Oct 12, 1999·91 cites·1 claims
- 0486US6585058B2Knock-on sweep structure and tools thereforDEERE & CO·Filed 2001·Granted Jul 1, 2003·33 cites·10 claims
- 0574US6223832B1Constant pressure scraper system with adjustmentDEERE & CO·Filed 1999·Granted May 1, 2001·33 cites·9 claims
- 0667US6591875B2Cart for bulk filling intermodal containersDEERE & CO·Filed 2001·Granted Jul 15, 2003·17 cites·34 claims
- 0761US6938700B2Knock-on sweep structure and tools thereforDEERE & CO·Filed 2003·Granted Sep 6, 2005·10 cites·13 claims
- 0860US7240741B2Knock-on sweep structure and tools thereforDEERE & CO·Filed 2005·Granted Jul 10, 2007·3 cites·11 claims
- 0950US5083630ASprayer with hydraulically adjustable wheel spacingDEERE & CO·Filed 1990·Granted Jan 28, 1992·16 cites·19 claims
- 1049US5899307AWheel motor torque hub disconnectDEERE & CO·Filed 1997·Granted May 4, 1999·10 cites·20 claims
- 1143US6250397B1Spring trip standard with positive stopDEERE & CO·Filed 1999·Granted Jun 26, 2001·9 cites·16 claims
- 1239US6065548ASpring trip standard having reduced spring buckling forcesDEERE & CO·Filed 1999·Granted May 23, 2000·7 cites·11 claims
- 1339US5241780AWheel shield and ladder for a spray vehicleDEERE & CO·Filed 1991·Granted Sep 7, 1993·12 cites·20 claims
- 1435US6250398B1Spring trip standardDEERE & CO·Filed 1998·Granted Jun 26, 2001·5 cites·21 claims
- 1535US2004151565A1Apparatus for transporting and filling freight containersFiled 2003·Application pending·0 cites
- 1632US5066030ACushioned wheel assembly for a sprayerDEERE & CO·Filed 1990·Granted Nov 19, 1991·9 cites·10 claims
- 1732US2003063968A1Apparatus for transporting and filling freight containersFiled 2001·Application pending·0 cites
- 1830US5277265ATow valve and interlock for a vehicleDEERE & CO·Filed 1993·Granted Jan 11, 1994·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →