Inventor
PREHEIM JOHN D
US24 patents
Patents
24 patentsUS9781916B2Oct 10, 2017
Nozzle control system and method
RAVEN IND INC36 citations97
US9829364B2Nov 28, 2017
Method of sensing volume of loose material
RAVEN IND INC77 citations96
US11134668B2Oct 5, 2021
Nozzle control system and method
RAVEN IND INC11 citations93
US10368538B2Aug 6, 2019
Nozzle control system and method
RAVEN IND INC19 citations93
US10173236B2Jan 8, 2019
Nozzle control system and method
RAVEN IND INC27 citations93
US11647685B2May 16, 2023
Implement position control system and method for same
RAVEN IND INC5 citations84
US11704810B2Jul 18, 2023
Detecting crop related row from image
RAVEN IND INC6 citations83
US11100648B2Aug 24, 2021
Detecting crop related row from image
RAVEN IND INC8 citations82
US12029214B2Jul 9, 2024
Nozzle control system and method
RAVEN IND INC3 citations74
US12016326B2Jun 25, 2024
Localized product injection system and methods for same
RAVEN IND INC3 citations73
US11602142B2Mar 14, 2023
Agricultural implement suspension system
RAVEN IND INC5 citations72
US11184507B2Nov 23, 2021
Adaptive color transformation to aid computer vision
RAVEN IND INC3 citations71
US10842067B2Nov 24, 2020
Implement position control system and method for same
RAVEN IND INC4 citations71
US11470760B2Oct 18, 2022
Comparative agricultural obstacle monitor and guidance system and method for same
RAVEN IND INC3 citations68
US12389899B2Aug 19, 2025
Localized product injection system and methods for same
RAVEN IND INC1 citations63
US12568948B2Mar 10, 2026
Nozzle control system and method
RAVEN IND INC0 citations62
US11954878B2Apr 9, 2024
Determining image feature height disparity
RAVEN IND INC0 citations61
US11615543B2Mar 28, 2023
Determining image feature height disparity
RAVEN IND INC1 citations61
US11470756B2Oct 18, 2022
Implement position control system and method for same
RAVEN IND INC0 citations61
US11659783B2May 30, 2023
Calibrating crop row computer vision system
RAVEN IND INC0 citations60
US11606478B2Mar 14, 2023
Adaptive color transformation to aid computer vision
RAVEN IND INC1 citations60
US11170530B2Nov 9, 2021
Calibrating crop row computer vision system
RAVEN IND INC1 citations60
US12144337B2Nov 19, 2024
Agricultural implement suspension system
RAVEN IND INC1 citations59
US11687083B2Jun 27, 2023
Comparative agricultural obstacle monitor and guidance system and method for same
RAVEN IND INC0 citations57