Inventor · disambiguated record
Christian Hofner
Also filed as: HOFNER CHRISTIAN
5 granted patents·4 pending applications·6 citations·filing 2011–2024
67Inventor score
Files withKAERCHER GMBH & CO KG ALFRED5KAERCHER ALFRED SE & CO KG2ALFRED KARCHER SE & CO KG1DUENNE MARKUS1
Top patents by PatentIndex Score
9 records- 0172US10390674B2Method for cleaning a floor surface and floor cleaning deviceKAERCHER GMBH & CO KG ALFRED·Filed 2016·Granted Aug 27, 2019·3 cites·29 claims
- 0266US10362918B2Self-propelled and self-steering floor cleaner and method for cleaning a floor surfaceKAERCHER GMBH & CO KG ALFRED·Filed 2016·Granted Jul 30, 2019·2 cites·26 claims
- 0360US8823487B2Cleaning apparatus and method for controlling access to a cleaning apparatusDUENNE MARKUS·Filed 2011·Granted Sep 2, 2014·1 cites·26 claims
- 0457US2024188784A1Floor-cleaning system, floor-cleaning apparatus, and method for operating a floor-cleaning system or a floor-cleaning apparatusKAERCHER ALFRED SE & CO KG·Filed 2024·Application pending·0 cites
- 0551US2024180385A1Self-propelled and self-steering floor cleaning apparatus, and floor cleaning systemKAERCHER ALFRED SE & CO KG·Filed 2024·Application pending·0 cites
- 0646US11272821B2Floor treatment system and method for operating such a systemALFRED KARCHER SE & CO KG·Filed 2018·Granted Mar 15, 2022·0 cites·39 claims
- 0742US2014090664A1Self-propelled surface cleaning machine and method for operating a self-propelled surface cleaning machineKAERCHER GMBH & CO KG ALFRED·Filed 2013·Application pending·0 cites
- 0837US10338595B2Method for treating a floor surface and floor treating apparatusKAERCHER GMBH & CO KG ALFRED·Filed 2017·Granted Jul 2, 2019·0 cites·18 claims
- 0932US2016138231A1Surface Cleaning Machine and Method for Adjusting the Position of a Sweeping Roller in a Surface Cleaning MachineKAERCHER GMBH & CO KG ALFRED·Filed 2016·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →