Inventor

DUENNE MARKUS

DE4 patents

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

KAERCHER GMBH & CO KG ALFRED

3 patents

US7992245B2Aug 9, 2011

Cleaning tool and cleaning device having such a cleaning tool

KAERCHER GMBH & CO KG ALFRED11 citations80

US10478037B2Nov 19, 2019

Method for operating a floor-cleaning device and floor-cleaning device

KAERCHER GMBH & CO KG ALFRED6 citations70

US10362918B2Jul 30, 2019

Self-propelled and self-steering floor cleaner and method for cleaning a floor surface

KAERCHER GMBH & CO KG ALFRED2 citations66

DUENNE MARKUS

1 patent

US8823487B2Sep 2, 2014

Cleaning apparatus and method for controlling access to a cleaning apparatus

DUENNE MARKUS1 citations41