Inventor · disambiguated record
Lee F. Nikkel
Also filed as: NIKKEL LEE F
12 granted patents·306 citations·filing 1985–2010
93Inventor score
Top patents by PatentIndex Score
12 records- 0188US5524525ARotary servo valve and guidance system apparatus for controlling the sameA I L INC·Filed 1994·Granted Jun 11, 1996·64 cites·20 claims
- 0288US5156219APositioning apparatus for drawn implementA I L INC·Filed 1991·Granted Oct 20, 1992·55 cites·20 claims
- 0385US7490678B2GPS controlled guidance system for farm tractor/implement combinationA I L INC·Filed 2005·Granted Feb 17, 2009·25 cites·16 claims
- 0475US5170849AGuidance control system for farm tractor/implement combinationA I L INC·Filed 1991·Granted Dec 15, 1992·29 cites·69 claims
- 0566US8776701B2Row crop fertilizer applying apparatusNIKKEL LEE F·Filed 2010·Granted Jul 15, 2014·7 cites·17 claims
- 0665US5025866ARow following drawn implement with internal steering armNEW TEK MANUFACTURING INC·Filed 1990·Granted Jun 25, 1991·23 cites·18 claims
- 0764US6279666B1Row crop debris clearing apparatusA I L INC·Filed 1997·Granted Aug 28, 2001·24 cites·18 claims
- 0862US4787878AHigh torque cushion drive couplingNIKKEL LEE F·Filed 1986·Granted Nov 29, 1988·15 cites·10 claims
- 0960US5752453AApparatus for use in applying fertilizerA I L INC·Filed 1996·Granted May 19, 1998·21 cites·19 claims
- 1055US5582255AGuidance system having adjustable width capabilityA I L INC·Filed 1995·Granted Dec 10, 1996·17 cites·15 claims
- 1142US4646663AFertilizer disc assembly for a planterNIKKEL LEE F·Filed 1985·Granted Mar 3, 1987·18 cites·12 claims
- 1239US5732780AImplement for making angled water retention depressions and moundsA I L INC·Filed 1996·Granted Mar 31, 1998·8 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →