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Ralph Liersch
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Metzingen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Rechargeable battery pack and electrical hand tool device
Patent number
9,385,401
Issue date
Jul 5, 2016
Metabowerke GmbH
Ralph Liersch
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rechargeable battery pack and electrical hand tool device
Patent number
8,663,834
Issue date
Mar 4, 2014
Metabowerke GmbH
Ralph Liersch
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rapid locking device
Patent number
7,789,737
Issue date
Sep 7, 2010
Metabowerke GmbH
Ralph Liersch
B24 - GRINDING POLISHING
Information
Patent Grant
Tensioning nut to secure a disk-shaped tool
Patent number
6,808,347
Issue date
Oct 26, 2004
Metabowerke GmbH
Ralph Liersch
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
Rechargeable Battery Pack and Electrical Hand Tool Device
Publication number
20140162089
Publication date
Jun 12, 2014
Metabowerke GmbH
Ralph Liersch
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Rechargeable Battery Pack and Electrical Hand Tool Device
Publication number
20090117452
Publication date
May 7, 2009
Bernd Wiesner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Rapid Locking Device
Publication number
20080305727
Publication date
Dec 11, 2008
Ralph Liersch
B24 - GRINDING POLISHING
Information
Patent Application
Rechargeable Battery Pack and Electrical Hand Tool Device
Publication number
20080254356
Publication date
Oct 16, 2008
Metabowerke GmbH
Ralph Liersch
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Tensioning nut to secure a disk-shaped tool
Publication number
20030152443
Publication date
Aug 14, 2003
Metabowerke GmbH
Ralph Liersch
B24 - GRINDING POLISHING