Inventor · disambiguated record
David R. Smith
Also filed as: SMITH DAVID · SMITH DAVID J · SMITH DAVID R · SMITH DAVID RAY
24 granted patents·3 pending applications·880 citations·filing 1982–2018
97Inventor score
Files withUNVERFERTH MANUFACTURING CO IN9UNVERFERTH MFG CO INC3HESSTON CORP23COM CORP1CONS METAL PRODUCTS INC1
Top patents by PatentIndex Score
27 records- 0195US6068061ASoil zone-builder coulter closer/tiller with vertical response mechanism and shank headUNVERFERTH MANUFACTURING CO IN·Filed 1998·Granted May 30, 2000·141 cites·20 claims
- 0294US5623997ASoil zone-builder coulter closer/tillerUNVERFERTH MANUFACTURING CO IN·Filed 1995·Granted Apr 29, 1997·132 cites·20 claims
- 0393US5704430AGround driven row cleaning apparatusFiled 1995·Granted Jan 6, 1998·113 cites·5 claims
- 0489US4512416AFlat fold implement frameHESSTON CORP·Filed 1982·Granted Apr 23, 1985·39 cites·10 claims
- 0587US4660651AHighly flexible, foldable drill for uniform depth seed depositKRAUSE PLOW CORP·Filed 1985·Granted Apr 28, 1987·45 cites·14 claims
- 0686US5839516AFolding frame assembly for a rolling harrow implement having a transport position in which the main frame is upwardly pivoted and the wing frames are forwardly pivotedUNVERFERTH MANUFACTURING CO IN·Filed 1997·Granted Nov 24, 1998·66 cites·15 claims
- 0785US9004342B2Welded hot-rolled high-strength steel structural members and methodsCONS METAL PRODUCTS INC·Filed 2014·Granted Apr 14, 2015·7 cites·11 claims
- 0883US9027309B2Welded hot-rolled high-strength steel structural members and methodsGALLAGHER JR HUGH M·Filed 2012·Granted May 12, 2015·3 cites·12 claims
- 0979US9016738B2Apparatus and method for lifting a skimmer well lid and for cleaning and lifting a skimmer basketSMITH DAVID RAY·Filed 2013·Granted Apr 28, 2015·9 cites·14 claims
- 1070US10292322B2Hydraulic system for flex wing ripper stripperUNVERFERTH MFG CO INC·Filed 2017·Granted May 21, 2019·1 cites·9 claims
- 1170US4520878ASpring cushion chisel plow shank assemblyHESSTON CORP·Filed 1983·Granted Jun 4, 1985·19 cites·6 claims
- 1268US5374082ACombine header transport oscillation frameUNVERFERTH MANUFACTURING CO IN·Filed 1993·Granted Dec 20, 1994·28 cites·7 claims
- 1366US6070358ASeed germination systemFiled 1998·Granted Jun 6, 2000·39 cites·42 claims
- 1465US6523070B1Communication device with circuitry to promote cascade series connection including identification of device position in the series and sensing the end device in the series3COM CORP·Filed 1997·Granted Feb 18, 2003·53 cites·8 claims
- 1565US5800116AAuger assembly for conveying granular materialUNVERFERTH MANUFACTURING CO IN·Filed 1996·Granted Sep 1, 1998·33 cites·14 claims
- 1664US9285350B2Soak chamber and system to measure the seed density hydration profile of seedsUNIV TENNESSEE RES FOUNDATION·Filed 2013·Granted Mar 15, 2016·1 cites·19 claims
- 1763US5785472AConvertible support for a header transport wagonUNVERFERTH MANUFACTURING CO IN·Filed 1996·Granted Jul 28, 1998·29 cites·15 claims
- 1859US6865827B2Utility device having an improved rotatable drive mechanismUNVERFERTH MFG CO INC·Filed 2003·Granted Mar 15, 2005·11 cites·30 claims
- 1959US5622124ACoulter fertilizer tineUNVERFERTH MANUFACTURING CO IN·Filed 1996·Granted Apr 22, 1997·26 cites·21 claims
- 2058US2019075874A1Head CoverSMITH SR DAVID R·Filed 2018·Application pending·0 cites
- 2157US5876176AStowage latch assembly for augerUNVERFERTH MANUFACTURING CO IN·Filed 1996·Granted Mar 2, 1999·25 cites·5 claims
- 2257US4999480AHolder with automatic timed shut-off for large tipped electric soldering ironsSOLDERING TOOL RECONDITIONING·Filed 1989·Granted Mar 12, 1991·17 cites·17 claims
- 2348US5988474AMulti-functional carrying deviceFiled 1998·Granted Nov 23, 1999·33 cites·18 claims
- 2448US2004202753A1Dipping cups having increased structural rigidity and arcuate cornersJACKELS DOUGLAS J·Filed 2003·Application pending·0 cites
- 2544US2006191695A1Wheel lift assist frame for strip tillingUNVERFERTH MFG CO INC·Filed 2005·Application pending·0 cites
- 2639US5582221ASeed drill filling apparatusUNVERFERTH MANUFACTURING CO IN·Filed 1993·Granted Dec 10, 1996·9 cites·18 claims
- 2733USD392515SUtensil holderSMITH DAVID R·Filed 1996·Granted Mar 24, 1998·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →