Inventor

JOHNSON SPENCER

US6 patents

⚠️ This page may combine multiple inventors who share the name “JOHNSON SPENCER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNION TANK CAR CO

2 patents

US10464580B2Nov 5, 2019

Railroad tank car manway assembly

UNION TANK CAR CO2 citations70

US10029705B2Jul 24, 2018

Railroad tank car manway assembly

UNION TANK CAR CO5 citations70

CHARLTON ERIK

1 patent

US8686944B1Apr 1, 2014

Software for input devices with application-specific scrolling and highlighted text searching

CHARLTON ERIK65 citations93

FORD GLOBAL TECH LLC

1 patent

US11408504B1Aug 9, 2022

Transition control for low torque upshifts of an automatic transmission

FORD GLOBAL TECH LLC0 citations56

UNIV ILLINOIS

1 patent

US12467732B2Nov 11, 2025

Precision quantum-interference-based non-local contactless measurement

UNIV ILLINOIS0 citations42

KELL OUTFITTERS LLC

1 patent

US12458158B2Nov 4, 2025

Hammock sleeping bag

KELL OUTFITTERS LLC0 citations42