Inventor · disambiguated record
Roy Luedtke, Jr.
Also filed as: LUEDTKE JR ROY · LUEDTKE ROY · LUEDTKE ROY JR
38 granted patents·1 pending application·276 citations·filing 1993–2005
97Inventor score
Files withPIONEER HI BRED INT39
Top patents by PatentIndex Score
39 records- 0197US5942671AInbred maize line PH185PIONEER HI BRED INT·Filed 1998·Granted Aug 24, 1999·27 cites·26 claims
- 0296US6706954B1Inbred maize line PH4V6PIONEER HI BRED INT·Filed 2001·Granted Mar 16, 2004·17 cites·31 claims
- 0395US6737566B1Inbred maize line PH3PVPIONEER HI BRED INT·Filed 2001·Granted May 18, 2004·13 cites·31 claims
- 0494US6972356B1Inbred maize line PH3PRPIONEER HI BRED INT·Filed 2003·Granted Dec 6, 2005·9 cites·31 claims
- 0592US5416254AInbred corn line PHRE1PIONEER HI BRED INT·Filed 1993·Granted May 16, 1995·26 cites·11 claims
- 0690US7009093B1Inbred maize line PH183PIONEER HI BRED INT·Filed 2003·Granted Mar 7, 2006·4 cites·31 claims
- 0790US6388179B1Inbred maize line PH4TWPIONEER HI BRED INT·Filed 2000·Granted May 14, 2002·5 cites·49 claims
- 0890US6118054AInbred maize line PH189PIONEER HI BRED INT·Filed 1998·Granted Sep 12, 2000·7 cites·26 claims
- 0989US6818811B1Inbred maize line PH3PGPIONEER HI BRED INT·Filed 2000·Granted Nov 16, 2004·5 cites·31 claims
- 1088US7262345B1Inbred maize line PH4V6PIONEER HI BRED INT·Filed 2004·Granted Aug 28, 2007·11 cites·29 claims
- 1188US6600095B1Maize PH8W4PIONEER HI BRED INT·Filed 2000·Granted Jul 29, 2003·4 cites·4 claims
- 1288US6184445B1Inbred maize line PH3P0PIONEER HI BRED INT·Filed 1999·Granted Feb 6, 2001·5 cites·27 claims
- 1388US6037530AHybrid maize plant and seed 39K72PIONEER HI BRED INT·Filed 1999·Granted Mar 14, 2000·4 cites·14 claims
- 1488US5977457AHybrid maize plant & seed 39T68PIONEER HI BRED INT·Filed 1998·Granted Nov 2, 1999·5 cites·13 claims
- 1588US5977451AInbred maize line PHFW4PIONEER HI BRED INT·Filed 1996·Granted Nov 2, 1999·5 cites·19 claims
- 1687US5859319AHybrid maize plant and seed (39K72)PIONEER HI BRED INT·Filed 1997·Granted Jan 12, 1999·4 cites·7 claims
- 1786US6313383B1Inbred maize line PH4TVPIONEER HI BRED INT·Filed 2000·Granted Nov 6, 2001·3 cites·49 claims
- 1886US5387755AInbred corn line PHFA5PIONEER HI BRED INT·Filed 1993·Granted Feb 7, 1995·2 cites·10 claims
- 1985US7317145B1Inbred maize line PH3PVPIONEER HI BRED INT·Filed 2004·Granted Jan 8, 2008·2 cites·29 claims
- 2083US7291773B1Inbred maize line PH3PGPIONEER HI BRED INT·Filed 2004·Granted Nov 6, 2007·2 cites·29 claims
- 2183US6259005B1Hybrid maize plant and seed 39Y85PIONEER HI BRED INT·Filed 1999·Granted Jul 10, 2001·3 cites·31 claims
- 2283US5973237AHybrid maize plant and seed 39K38PIONEER HI BRED INT·Filed 1998·Granted Oct 26, 1999·3 cites·13 claims
- 2381US7414179B1Inbred maize line PH3PRPIONEER HI BRED INT·Filed 2005·Granted Aug 19, 2008·2 cites·33 claims
- 2481US7414180B1Inbred maize line PH183PIONEER HI BRED INT·Filed 2005·Granted Aug 19, 2008·2 cites·33 claims
- 2576US5602317AInbred corn line PHAAOPIONEER HI BRED INT·Filed 1995·Granted Feb 11, 1997·48 cites·10 claims
- 2671US5574208AHybrid corn plant (3893)PIONEER HI BRED INT·Filed 1994·Granted Nov 12, 1996·29 cites·5 claims
- 2769US6153817AInbred maize line PH0DHPIONEER HI BRED INT·Filed 1998·Granted Nov 28, 2000·1 cites·26 claims
- 2846US5491286AInbred corn line PHKM5PIONEER HI BRED INT·Filed 1994·Granted Feb 13, 1996·9 cites·10 claims
- 2944US6091006AHybrid maize plant & seed 38B50PIONEER HI BRED INT·Filed 1998·Granted Jul 18, 2000·0 cites·13 claims
- 3040US5728920AHybrid maize plant and seed (3970)PIONEER HI BRED INT·Filed 1996·Granted Mar 17, 1998·7 cites·7 claims
- 3138US2005144664A1Plant breeding methodPIONEER HI BRED INT·Filed 2004·Application pending·0 cites
- 3237US5750835AInbred maize line PH47APIONEER HI BRED INT·Filed 1996·Granted May 12, 1998·5 cites·19 claims
- 3332US5491287AHybrid corn plant and seed (3905)PIONEER HI BRED INT·Filed 1994·Granted Feb 13, 1996·2 cites·4 claims
- 3431US5750838AHybrid maize plant & seed (3941)PIONEER HI BRED INT·Filed 1996·Granted May 12, 1998·1 cites·7 claims
- 3531US5750842AHybrid maize plant & seed (3914)PIONEER HI BRED INT·Filed 1996·Granted May 12, 1998·1 cites·7 claims
- 3631US5585538AHybrid maize plant & seed (3936)PIONEER HI BRED INT·Filed 1995·Granted Dec 17, 1996·1 cites·7 claims
- 3730US5750843AHybrid maize plant & seed (3940)PIONEER HI BRED INT·Filed 1996·Granted May 12, 1998·0 cites·7 claims
- 3830US5625129AInbred corn line PHDD6PIONEER HI BRED INT·Filed 1994·Granted Apr 29, 1997·2 cites·10 claims
- 3930US5574209AHybrid maize plant & seed (3951)PIONEER HI BRED INT·Filed 1995·Granted Nov 12, 1996·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →