Inventor
JOHANNSEN ERIC JAMES
US27 patents
⚠️ This page may combine multiple inventors who share the name “JOHANNSEN ERIC JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
25 patentsUS9592866B2Mar 14, 2017
Track assembly having a wear monitoring system
CATERPILLAR INC21 citations91
US7877977B2Feb 1, 2011
Master link for a track chain
CATERPILLAR INC31 citations89
US9745005B2Aug 29, 2017
Roller assembly for a track-type machine
CATERPILLAR INC8 citations83
US7959239B2Jun 14, 2011
Track assembly having wear inhibiting contact members
CATERPILLAR INC11 citations79
US10882574B2Jan 5, 2021
Method of track link manufacture
CATERPILLAR INC3 citations72
US10227099B2Mar 12, 2019
Splined idler for scallop resistance
CATERPILLAR INC4 citations72
US10046816B2Aug 14, 2018
Cartridge assembly with a flexible thrust ring assembly for a track chain
CATERPILLAR INC4 citations72
US9796436B2Oct 24, 2017
Undercarriage track link assembly having offset link gaps
CATERPILLAR INC3 citations72
US9656707B2May 23, 2017
High speed metal face seal
CATERPILLAR INC3 citations72
US10322760B2Jun 18, 2019
Undercarriage clamping master track link
CATERPILLAR INC2 citations69
US9550536B2Jan 24, 2017
Idler group and method of assembly
CATERPILLAR INC5 citations64
US12410831B2Sep 9, 2025
Track bolt stretch device with nut and spacer
CATERPILLAR INC0 citations62
US11860061B2Jan 2, 2024
Undercarriage wear measurement using a gyro sensor
CATERPILLAR INC0 citations62
US10322758B2Jun 18, 2019
Track link with angled seal counterbore
CATERPILLAR INC1 citations60
US10676143B2Jun 9, 2020
Keyhole master track link
CATERPILLAR INC1 citations57
US12448065B2Oct 21, 2025
Track joint assembly having bushing structured for in-service transitioning from fixed to rotating
CATERPILLAR INC0 citations51
US11820446B2Nov 21, 2023
Ground-engaging track shoe having raised-relief fixturing surfaces
CATERPILLAR INC0 citations51
US11745811B2Sep 5, 2023
Ground-engaging track shoe having weight relief channel
CATERPILLAR INC0 citations51
US10589808B2Mar 17, 2020
Splined idler for scallop resistance
CATERPILLAR INC0 citations51
US10407115B2Sep 10, 2019
Master track link having gapped teeth
CATERPILLAR INC0 citations51
US12286174B2Apr 29, 2025
Roller mounting and roller block assemblies for ground-engaging track system
CATERPILLAR INC0 citations50
US12479524B2Nov 25, 2025
Rotating track guide components with white-iron segments
CATERPILLAR INC0 citations49
US10053168B2Aug 21, 2018
Track pin with improved hardness profile and method of producing the same
CATERPILLAR INC0 citations49
US9701351B2Jul 11, 2017
Roller collar guard plate
CATERPILLAR INC0 citations49
US10046817B2Aug 14, 2018
Scallop resistant idler heat treatment
CATERPILLAR INC0 citations41