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Hellmut Hurr
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Reutlingen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Mobile concrete pump and corresponding building frame
Patent number
7,654,800
Issue date
Feb 2, 2010
Putzmeister Concrete Pumps GmbH
Joachim Leibbrand
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Material feeding container for two-cylinder thick matter pumps
Patent number
7,048,006
Issue date
May 23, 2006
Putzmeister Aktiengesellschaft
Hellmut Hurr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Mobile work machine comprising accessible platforms
Patent number
6,834,911
Issue date
Dec 28, 2004
Putzmeister Aktiengesellschaft
Dieter Schillinger
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Material feed container, especially for thick material pumps
Patent number
6,488,477
Issue date
Dec 3, 2002
Putzmeister Aktiengesellschaft
Hellmut Hurr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pipe switch for two-cylinder thick-material pump
Patent number
6,338,615
Issue date
Jan 15, 2002
Putzmeister Aktiengesellschaft
Hellmut Hurr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Support pipe for concrete pump with pivoting valve
Patent number
6,220,834
Issue date
Apr 24, 2001
Putzmeister Aktiengesellschaft
Hellmut Hurr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Thick matter pump with a cleaning cartridge and blocking slide
Patent number
5,957,675
Issue date
Sep 28, 1999
Putzmeister Aktiengesellschaft
Klaus Buehrer
B08 - CLEANING
Information
Patent Grant
Device for opening and closing a closure cap
Patent number
5,823,748
Issue date
Oct 20, 1998
Putzmeister-Werk Maschinenfabrik GmbH
Hartmut Benckert
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Slide valve for a twin-cylinder pump for viscous fluids
Patent number
5,746,247
Issue date
May 5, 1998
Putzmeister-Werk Maschinenfabrik GmbH
Karl Schlecht
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Material feed tank for sludge pumps
Patent number
5,190,449
Issue date
Mar 2, 1993
Putzmeister-Werk Maschinenfabrik GmbH
Rolf Dose
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Mobile concrete pump and corresponding building frame
Publication number
20050271522
Publication date
Dec 8, 2005
Joachim Leibbrand
B60 - VEHICLES IN GENERAL
Information
Patent Application
Material feeding container for two-cylinder thick matter pumps
Publication number
20040261869
Publication date
Dec 30, 2004
Hellmut Hurr
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...