Inventor · disambiguated record
John F. Stufflebeam
Also filed as: STUFFLEBEAM JOHN F
25 granted patents·972 citations·filing 1975–2003
97Inventor score
Top patents by PatentIndex Score
25 records- 0197US4674578AFloating marker arm mechanismCASE CO J I·Filed 1986·Granted Jun 23, 1987·91 cites·3 claims
- 0296US6564730B2Seed planter apparatus and methodCASE CORP·Filed 2001·Granted May 20, 2003·83 cites·13 claims
- 0396US6109193ASeed planter apparatus and methodCASE CORP·Filed 1998·Granted Aug 29, 2000·100 cites·23 claims
- 0494US4151886AMulti-section folding tool bar for agricultural implementsINT HARVESTER CO·Filed 1977·Granted May 1, 1979·48 cites·3 claims
- 0592US5842428AVacuum seed metering apparatus having housing openingsCASE CORP·Filed 1996·Granted Dec 1, 1998·85 cites·20 claims
- 0691US6401638B1Seed planter apparatus and methodCASE CORP·Filed 2000·Granted Jun 11, 2002·49 cites·12 claims
- 0789US3982773AFolding frame structure for agricultural implementsINT HARVESTER CO·Filed 1975·Granted Sep 28, 1976·30 cites·16 claims
- 0885US5848571ASeed singulator assembly for a seed metering mechanismCASE CORP·Filed 1996·Granted Dec 15, 1998·62 cites·90 claims
- 0985US5740746ASeed material dispensing system for an agricultural planterCASE CORP·Filed 1995·Granted Apr 21, 1998·65 cites·20 claims
- 1081US5740747AVacuum seed metering assemblyCASE CORP·Filed 1996·Granted Apr 21, 1998·49 cites·20 claims
- 1181US5655468ADelivery system for an agricultural implementCASE CORP·Filed 1995·Granted Aug 12, 1997·54 cites·25 claims
- 1280US6776108B2Seed planter apparatus and methodCNH AMERICA LLC·Filed 2003·Granted Aug 17, 2004·27 cites·6 claims
- 1375US5024279AFoldable implement carrierJ I CASE CORP·Filed 1990·Granted Jun 18, 1991·36 cites·19 claims
- 1471US6325005B1Seed planter apparatus and methodCASE CORP·Filed 2000·Granted Dec 4, 2001·15 cites·18 claims
- 1568US5228522ALift assist and cushion spring tool bar wheel for agricultural implementsCASE CORP·Filed 1991·Granted Jul 20, 1993·25 cites·9 claims
- 1667US5799598AApparatus for sealing a vacuum chamber of a seed metering apparatusCASE CORP·Filed 1996·Granted Sep 1, 1998·31 cites·24 claims
- 1762US6742465B2Seed planter apparatus and methodCNH AMERICA LLC·Filed 2003·Granted Jun 1, 2004·9 cites·3 claims
- 1861US6739272B2Seed planter apparatus and methodCNH AMERICA LLC·Filed 2003·Granted May 25, 2004·8 cites·3 claims
- 1960US6374759B1Seed planter apparatus and methodCASE CORP·Filed 2000·Granted Apr 23, 2002·8 cites·19 claims
- 2060US5555824AOperator controlled pressure applicator for the furrow forming mechanism of a seed planterCASE CORP·Filed 1995·Granted Sep 17, 1996·24 cites·35 claims
- 2156US5974988ASeed metering apparatus seed tubeCASE CORP·Filed 1995·Granted Nov 2, 1999·20 cites·11 claims
- 2255US5765720ABaffle assembly for a seed metering mechanismCASE CORP·Filed 1996·Granted Jun 16, 1998·19 cites·21 claims
- 2344US5515795ADelivery system for a foldable agricultural implementCASE CORP·Filed 1994·Granted May 14, 1996·15 cites·22 claims
- 2444US5009345AChute closure apparatusCASE CO J I·Filed 1989·Granted Apr 23, 1991·15 cites·10 claims
- 2534US5839378AAgitator assembly for a seed metering mechanismCASE CORP·Filed 1996·Granted Nov 24, 1998·4 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →