Inventor
ERKO ROBERT J
US8 patents
⚠️ This page may combine multiple inventors who share the name “ERKO ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TENNANT CO
7 patentsUS6895363B2May 17, 2005
Information management system device and method of use for surface maintenance vehicles and equipment
TENNANT CO20 citations87
US6959466B2Nov 1, 2005
Power management system for street sweeper
TENNANT CO45 citations85
US7120961B2Oct 17, 2006
Brush wear adjustment system and method
TENNANT CO6 citations57
US7038416B2May 2, 2006
Control system for a floor maintenance appliance
TENNANT CO6 citations53
US9568911B2Feb 14, 2017
Dynamic maintenance scheduling system for surface cleaning machines
TENNANT CO1 citations46
US7244000B2Jul 17, 2007
By wire control of braking and acceleration
TENNANT CO1 citations42
US7020576B2Mar 28, 2006
Back EMF actuator control
TENNANT CO1 citations42