Inventor

KRUTZFELDT LEVI J

US3 patents

Patents

3 patents

US10844574B2Nov 24, 2020

Mobile vacuum system

CHARLES MACHINE WORKS4 citations68

USD895914SSep 8, 2020

Vacuum system

CHARLES MACHINE WORKS0 citations44

US12435741B2Oct 7, 2025

Cylinder assembly for tilting a vacuum tank

CHARLES MACHINE WORKS0 citations38