Inventor
HILLEN CURTIS FREDERICK
US10 patents
⚠️ This page may combine multiple inventors who share the name “HILLEN CURTIS FREDERICK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CNH IND AMERICA LLC
7 patentsUS10219439B1Mar 5, 2019
Harvester cleaning system with conveyor enhanced cascades
CNH IND AMERICA LLC2 citations71
US9307699B2Apr 12, 2016
Transition chamber from auger to elevator in combine harvester
CNH IND AMERICA LLC1 citations59
US10757863B2Sep 1, 2020
Device and method for changing cleaning shoe shaker arm angle
CNH IND AMERICA LLC1 citations55
US11375662B2Jul 5, 2022
Apparatus and method for monitoring grain content within a tailings system of an agricultural harvester
CNH IND AMERICA LLC0 citations54
US12490680B2Dec 9, 2025
Deflector for fan housing of cleaning system of combine harvester
CNH IND AMERICA LLC0 citations50
US9456551B2Oct 4, 2016
Grain conveyor for a combine havester
CNH IND AMERICA LLC0 citations48
US10820520B2Nov 3, 2020
Cleaning system for a combine harvester including electromagnetically driven sieves
CNH IND AMERICA LLC0 citations43