Inventor · disambiguated record
William J. Dietrich, Sr.
Also filed as: DIETRICH SR WILLIAM J · DIETRICH SR WILLIAM JOHN · DIETRICH WILLIAM J · DIETRICH WILLIAM JOHN
48 granted patents·2 pending applications·1,451 citations·filing 1975–2017
99Inventor score
Top patents by PatentIndex Score
50 records- 0198US4538689ASubsoil plow pointDMI·Filed 1984·Granted Sep 3, 1985·94 cites·5 claims
- 0296US4245706AOne-pass complete tillage systemDMI·Filed 1978·Granted Jan 20, 1981·57 cites·2 claims
- 0395US6276462B1Combination tillage equipment for providing a smooth finishCASE CORP·Filed 2000·Granted Aug 21, 2001·69 cites·19 claims
- 0495US4574715AAgricultural fertilizer applicatorDMI·Filed 1984·Granted Mar 11, 1986·60 cites·6 claims
- 0594US6454019B1Agricultural implement down pressure systemCASE CORP·Filed 2000·Granted Sep 24, 2002·108 cites·25 claims
- 0690US4582023ALivestock self-feederZUMBAHLEN EQUIPMENT COMPANY·Filed 1984·Granted Apr 15, 1986·74 cites·12 claims
- 0790US4403662AOne-pass complete tillage systemDMI·Filed 1980·Granted Sep 13, 1983·41 cites·34 claims
- 0889US6626246B2Tillage implement with one point pin angle adjustmentCASE LLC·Filed 2001·Granted Sep 30, 2003·47 cites·7 claims
- 0987US4542793AOne-pass complete tillage systemDMI·Filed 1983·Granted Sep 24, 1985·33 cites·10 claims
- 1087US4418761AAdjustable tillage implement positioning apparatusDMI·Filed 1981·Granted Dec 6, 1983·34 cites·13 claims
- 1186US6896068B2Tillage implement with indexed harrowCNH AMERICA LLC·Filed 2001·Granted May 24, 2005·37 cites·12 claims
- 1285US5080178AAgricultural tillage implement with improved soil leveler using staggered discsDMI·Filed 1990·Granted Jan 14, 1992·43 cites·16 claims
- 1384US4535849AImplement with horizontal linkage depth controlDMI·Filed 1983·Granted Aug 20, 1985·31 cites·11 claims
- 1484US4117892AAgricultural folding tool bar with rigid cross frameDMI·Filed 1977·Granted Oct 3, 1978·23 cites·6 claims
- 1583US6422323B1Tillage tooth for use in an implement providing a smooth finishCASE CORP·Filed 2001·Granted Jul 23, 2002·19 cites·5 claims
- 1683US6178900B1Combination chisel plow and fertilizer placement apparatusCASE CORP·Filed 1998·Granted Jan 30, 2001·54 cites·17 claims
- 1782US6397767B1Knife applicator for applying liquid fertilizer in the groundCASE CORP·Filed 2001·Granted Jun 4, 2002·40 cites·20 claims
- 1882US5540288APrimary tillage unit with reduced disturbance of surface soil and residueDMI·Filed 1995·Granted Jul 30, 1996·50 cites·12 claims
- 1978US6012534AMinimum soil displacement chisel plow and soil firming wheel arrangementCASE CORP·Filed 1998·Granted Jan 11, 2000·38 cites·10 claims
- 2078US4454920AHigh speed tillage system with discs and plow pointsDMI·Filed 1982·Granted Jun 19, 1984·24 cites·8 claims
- 2178US4444271ATillage apparatus with independent depth adjustmentDMI·Filed 1981·Granted Apr 24, 1984·24 cites·20 claims
- 2277US4548277ASpring reset mechanism for tillage toolDMI·Filed 1983·Granted Oct 22, 1985·24 cites·7 claims
- 2377US4446924AHigh speed tillage system with discs and plow pointsDMI·Filed 1982·Granted May 8, 1984·24 cites·23 claims
- 2477US4049063AMulti-unit adjustable plow systemDMI·Filed 1975·Granted Sep 20, 1977·17 cites·8 claims
- 2575US4592294AKnife applicator for dry and liquid fertilizerDMI·Filed 1985·Granted Jun 3, 1986·47 cites·5 claims
- 2672US7143837B2Soil conditioning rotary reel for secondary tillage operationsCNH AMERICA LLC·Filed 2004·Granted Dec 5, 2006·17 cites·7 claims
- 2772US6973884B2Slurry fertilizer applicatorSOYCORP INC·Filed 2004·Granted Dec 13, 2005·23 cites·6 claims
- 2872US5437337ATillage unit with reduced disturbance of surface residue and soilDMI·Filed 1993·Granted Aug 1, 1995·27 cites·6 claims
- 2971US4596199ASingle blade sealer for fertilizer applicatorDMI·Filed 1983·Granted Jun 24, 1986·33 cites·20 claims
- 3069US5865131ASlurry fertilizer applicatorDMI·Filed 1997·Granted Feb 2, 1999·36 cites·17 claims
- 3168US8544395B2Slurry fertilizer applicatorDIETRICH SR WILLIAM J·Filed 2010·Granted Oct 1, 2013·8 cites·16 claims
- 3268US6095065AApparatus for high speed application of liquid or dry fertilizerCASE CORP·Filed 1998·Granted Aug 1, 2000·30 cites·9 claims
- 3366US9226437B2Fertilizer applicator with coulter for minimum soil displacementDIETRICH SR WILLIAM J·Filed 2014·Granted Jan 5, 2016·5 cites·11 claims
- 3466US5862763AApparatus for high speed application of liquid or dry fertilizerDMI·Filed 1997·Granted Jan 26, 1999·28 cites·12 claims
- 3564US4924946AApparatus for deep plowing highly compacted soilSOYCORP INC·Filed 1989·Granted May 15, 1990·18 cites·5 claims
- 3660US4282935AMultiple section, adjustable width plowDMI·Filed 1979·Granted Aug 11, 1981·9 cites·10 claims
- 3758US4546832AAgricultural implement with spring cushion for vertically adjustable subframeDMI·Filed 1983·Granted Oct 15, 1985·13 cites·10 claims
- 3857US4723495ASingle blade sealer for fertilizer applicatorDMI·Filed 1986·Granted Feb 9, 1988·27 cites·7 claims
- 3957US4279311AHigh speed tiller with widely spaced discsDMI·Filed 1979·Granted Jul 21, 1981·8 cites·9 claims
- 4056US10182521B2Field cultivation combined with fertilizer placementCNH IND AMERICA LLC·Filed 2016·Granted Jan 22, 2019·1 cites·7 claims
- 4155US7143836B2Soil conditioning rotary reel for primary tillage operationsCNH AMERICA LLC·Filed 2004·Granted Dec 5, 2006·8 cites·21 claims
- 4253US4397475ABumper hitch with universal mounting supportDMI·Filed 1982·Granted Aug 9, 1983·11 cites·12 claims
- 4347US5413182AImprovements in frame of winged agricultural implementDMI·Filed 1994·Granted May 9, 1995·13 cites·1 claims
- 4447US5343958AAgricultural fertilizer applicator including self-leveling wagon hitchDMI·Filed 1992·Granted Sep 6, 1994·13 cites·6 claims
- 4547US4040491AAutomatic reset plowDMI·Filed 1975·Granted Aug 9, 1977·5 cites·9 claims
- 4643US2014251192A1Rotary fertilizer applicatorDIETRICH SR WILLIAM J·Filed 2013·Application pending·0 cites
- 4738US10779452B2Rotary slurry injectorDIETRICH SR WILLIAM J·Filed 2017·Granted Sep 22, 2020·0 cites·8 claims
- 4838US2018160611A1Agricultural implement with tinesCNH IND AMERICA LLC·Filed 2016·Application pending·0 cites
- 4937US4381823ACombination fertilizer applicator and tillage implement with adjustable sweep assembliesDMI·Filed 1981·Granted May 3, 1983·4 cites·7 claims
- 5033US4131323ADual wheel assembly for tractorsDMI·Filed 1977·Granted Dec 26, 1978·2 cites·5 claims
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