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Christian Hofner
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Welzheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Floor treatment system and method for operating such a system
Patent number
11,272,821
Issue date
Mar 15, 2022
Alfred Kärcher SE & Co. KG
Christian Wurm
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Method for cleaning a floor surface and floor cleaning device
Patent number
10,390,674
Issue date
Aug 27, 2019
Alfred Kärcher SE & Co. KG
Juergen Walz
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Self-propelled and self-steering floor cleaner and method for clean...
Patent number
10,362,918
Issue date
Jul 30, 2019
Alfred Kärcher SE & Co. KG
Christian Hofner
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Method for treating a floor surface and floor treating apparatus
Patent number
10,338,595
Issue date
Jul 2, 2019
Alfred Kärcher SE & Co. KG
Heiko Hoennige
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Cleaning apparatus and method for controlling access to a cleaning...
Patent number
8,823,487
Issue date
Sep 2, 2014
Alfred Kaercher GmbH & Co. KG
Markus Duenne
B08 - CLEANING
Patents Applications
last 30 patents
Information
Patent Application
FLOOR-CLEANING SYSTEM, FLOOR-CLEANING APPARATUS, AND METHOD FOR OPE...
Publication number
20240188784
Publication date
Jun 13, 2024
Alfred Kärcher SE & Co. KG
Heiko HÖNNIGE
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
SELF-PROPELLED AND SELF-STEERING FLOOR CLEANING APPARATUS, AND FLOO...
Publication number
20240180385
Publication date
Jun 6, 2024
Alfred Kärcher SE & Co. KG
Manuel DRUST
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
FLOOR TREATMENT SYSTEM AND METHOD FOR OPERATING SUCH A SYSTEM
Publication number
20190069749
Publication date
Mar 7, 2019
Alfred Kärcher SE & Co. KG
Christian WURM
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
METHOD FOR TREATING A FLOOR SURFACE AND FLOOR TREATING APPARATUS
Publication number
20170147000
Publication date
May 25, 2017
Alfred Karcher GmbH & Co. KG
Heiko Hoennige
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
SELF-PROPELLED AND SELF-STEERING FLOOR CLEANER AND METHOD FOR CLEAN...
Publication number
20170071436
Publication date
Mar 16, 2017
Alfred Karcher GmbH & Co. KG
Christian Hofner
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
METHOD FOR CLEANING A FLOOR SURFACE AND FLOOR CLEANING DEVICE
Publication number
20170007091
Publication date
Jan 12, 2017
Alfred Karcher GmbH & Co. KG
Juergen Walz
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
SELF-PROPELLED SURFACE CLEANING MACHINE AND METHOD FOR OPERATING A...
Publication number
20140090664
Publication date
Apr 3, 2014
Alfred Karcher GmbH & Co. KG
Juergen Walz
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Cleaning Apparatus and Method for Controlling Access to a Cleaning...
Publication number
20120154116
Publication date
Jun 21, 2012
Alfred Kaercher GmbH & Co. KG
Markus Duenne
B08 - CLEANING