Inventor
HARSHMAN NATHANIEL K
US11 patents
Patents
11 patentsUS11572669B2Feb 7, 2023
Circle drive control system for a grading machine
CATERPILLAR INC2 citations70
US11230820B2Jan 25, 2022
Circle drive system for a grading machine
CATERPILLAR INC4 citations70
US11453996B2Sep 27, 2022
Sealing assembly
CATERPILLAR INC2 citations67
US11976716B2May 7, 2024
Seal assembly for a grading machine
CATERPILLAR INC0 citations61
US12209385B2Jan 28, 2025
Circle drive system for a grading machine
CATERPILLAR INC0 citations60
US11447927B2Sep 20, 2022
Support assembly for a grading machine
CATERPILLAR INC1 citations57
US11505912B2Nov 22, 2022
Motor grader circle drawbar debris remover
CATERPILLAR INC0 citations44
US11268258B2Mar 8, 2022
Extendable scarifier system
CATERPILLAR INC0 citations42
US12492528B2Dec 9, 2025
Hydraulic systems for grading machines
CATERPILLAR INC0 citations40
US11492779B2Nov 8, 2022
Circle drive system for a grading machine
CATERPILLAR INC0 citations40
US10458081B2Oct 29, 2019
Work attachment for motor grader
CATERPILLAR INC0 citations35