Inventor
HOFFBECK MARK DAVID
US101 patents
⚠️ This page may combine multiple inventors who share the name “HOFFBECK MARK DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER HI BRED INT
48 patentsUS6096953AAug 1, 2000
Inbred maize line PH224
PIONEER HI BRED INT358 citations99
US6747196B1Jun 8, 2004
Inbred maize line PH3RC
PIONEER HI BRED INT52 citations96
US6730834B1May 4, 2004
Inbred maize line PH5WB
PIONEER HI BRED INT40 citations96
US6717040B1Apr 6, 2004
Inbred maize line PH5W4
PIONEER HI BRED INT39 citations96
US10881062B1Jan 5, 2021
Maize hybrid X13N205
PIONEER HI BRED INT27 citations94
US9955655B1May 1, 2018
Maize hybrid X08K202
PIONEER HI BRED INT19 citations94
US9955660B1May 1, 2018
Maize hybrid X13K464
PIONEER HI BRED INT21 citations94
US10881064B1Jan 5, 2021
Maize hybrid X13N252
PIONEER HI BRED INT25 citations93
US7902432B1Mar 8, 2011
Maize variety hybrid X7H305
PIONEER HI BRED INT35 citations93
US7326833B1Feb 5, 2008
Inbred maize line PH705
PIONEER HI BRED INT31 citations93
US7276650B1Oct 2, 2007
Inbred maize line PH70R
PIONEER HI BRED INT14 citations93
US7173174B1Feb 6, 2007
Inbred maize line PH5WB
PIONEER HI BRED INT19 citations93
US7161072B1Jan 9, 2007
Inbred maize line PH5W4
PIONEER HI BRED INT16 citations93
US6974900B1Dec 13, 2005
Inbred corn line PH5WA
PIONEER HI BRED INT15 citations93
US6903254B1Jun 7, 2005
Inbred maize line PH705
PIONEER HI BRED INT24 citations93
US6091007AJul 18, 2000
Inbred maize line PH21T
PIONEER HI BRED INT44 citations87
US11771034B1Oct 3, 2023
Maize hybrid X13R110
PIONEER HI BRED INT6 citations86
US10827700B1Nov 10, 2020
Maize hybrid X05N280
PIONEER HI BRED INT16 citations85
US9737020B1Aug 22, 2017
Maize hybrid X08H753
PIONEER HI BRED INT15 citations84
US9504221B1Nov 29, 2016
Maize hybrid X08F120
PIONEER HI BRED INT8 citations84
US9456570B1Oct 4, 2016
Maize hybrid X13F381
PIONEER HI BRED INT9 citations84
US7572963B1Aug 11, 2009
Maize variety PHNWJ
PIONEER HI BRED INT12 citations84
US7199294B2Apr 3, 2007
Hybrid maize plant and seed 32H20
PIONEER HI BRED INT10 citations84
US7053284B1May 30, 2006
Hybrid maize 34B39
PIONEER HI BRED INT11 citations84
US6995304B1Feb 7, 2006
Hybrid maize plant & seed 33H05
PIONEER HI BRED INT12 citations84
US11730120B1Aug 22, 2023
Maize hybrid X13R123
PIONEER HI BRED INT4 citations75
US7576269B1Aug 18, 2009
Maize variety PHGNF
PIONEER HI BRED INT6 citations74
US7273972B1Sep 25, 2007
Inbred maize line PH3RC
PIONEER HI BRED INT9 citations74
US7271326B2Sep 18, 2007
Inbred corn line PHAR1
PIONEER HI BRED INT6 citations74
US6124535ASep 26, 2000
Inbred maize line PH226
PIONEER HI BRED INT14 citations74
US11659803B1May 30, 2023
Maize inbred 1PFLQ21
PIONEER HI BRED INT2 citations73
US11533882B1Dec 27, 2022
Maize hybrid X13N200
PIONEER HI BRED INT2 citations73
US11058086B1Jul 13, 2021
Maize hybrid X08N734
PIONEER HI BRED INT4 citations73
US10863705B1Dec 15, 2020
Maize hybrid X08N769
PIONEER HI BRED INT3 citations73
US10624298B1Apr 21, 2020
Maize inbred PH2DWW
PIONEER HI BRED INT3 citations73
US10188068B1Jan 29, 2019
Maize hybrid X08M612
PIONEER HI BRED INT4 citations73
US9955658B1May 1, 2018
Maize hybrid X13K527
PIONEER HI BRED INT4 citations73
US9877447B1Jan 30, 2018
Maize hybrid X08H721
PIONEER HI BRED INT4 citations73
US9861058B1Jan 9, 2018
Maize hybrid X08H734
PIONEER HI BRED INT4 citations73
US9338954B1May 17, 2016
Maize inbred PH1CHD
PIONEER HI BRED INT3 citations73
US8357842B1Jan 22, 2013
Maize variety hybrid X7H291
PIONEER HI BRED INT5 citations73
US9232717B1Jan 12, 2016
Maize inbred PH25MA
PIONEER HI BRED INT3 citations72
US12532852B1Jan 27, 2026
Maize hybrid X11T096
PIONEER HI BRED INT0 citations63
US12527285B1Jan 20, 2026
Maize hybrid X11T094
PIONEER HI BRED INT0 citations63
US12484523B1Dec 2, 2025
Maize hybrid X16T122
PIONEER HI BRED INT0 citations63
US12419254B1Sep 23, 2025
Maize inbred 1PMZW77
PIONEER HI BRED INT0 citations63
US12317820B1Jun 3, 2025
Maize inbred 1PURH57
PIONEER HI BRED INT0 citations63
US12274218B1Apr 15, 2025
Maize hybrid X13R128
PIONEER HI BRED INT0 citations63
PIONEER HI BREED INTERNATIONAL
1 patentHOFFBECK MARK DAVID
1 patentShowing the top 50 of 101 patents by PatentIndex Score.