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Karl Schlecht
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Filderstadt, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Movable concrete pump comprising a distribution boom
Patent number
7,478,834
Issue date
Jan 20, 2009
Putzmeister Concrete Pumps GmbH
Karl Schlecht
B66 - HOISTING LIFTING HAULING
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
Process for conveying thick matter containing preshredded scrap met...
Patent number
6,158,313
Issue date
Dec 12, 2000
Putzmeister Aktiengesellschaft
Karl Schlecht
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Delivery line for cement
Patent number
6,068,025
Issue date
May 30, 2000
Putzmeister Aktiengesellschaft
Karl Schlecht
E04 - BUILDING
Information
Patent Grant
Process for conveying thick matter containing preshredded scrap met...
Patent number
5,988,028
Issue date
Nov 23, 1999
Putzmeister Aktiengesellschaft
Karl Schlecht
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Large manipulator, especially for self-propelled concrete pumps, an...
Patent number
5,823,218
Issue date
Oct 20, 1998
Putzmeister Aktiengesellschaft
Karl Schlecht
B66 - HOISTING LIFTING HAULING
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
Arrangement for surface treatment, especially the cleaning of the s...
Patent number
5,720,069
Issue date
Feb 24, 1998
Putzmeister-Werk Maschinenfabrik GmbH
Martin Wanner
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Large manipulator, especially for self-propelled concrete pumps
Patent number
5,640,996
Issue date
Jun 24, 1997
Putzmeister-Werk Maschinenfabrik GmbH
Karl Schlecht
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Device for conveying thick substances containing a great deal of so...
Patent number
5,605,174
Issue date
Feb 25, 1997
Putzmeister-Werk Maschinenfabrik GmbH
Karl Schlecht
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Process for measuring the flow rate of thick matter pumps
Patent number
5,578,752
Issue date
Nov 26, 1996
Putzmeister-Werk Maschinenfabrik GmbH
Karl Schlecht
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Concrete-distribution rig
Patent number
5,535,780
Issue date
Jul 16, 1996
Putzmeister-Werk Maschinenfabrik GmbH
Karl Schlecht
E04 - BUILDING
Information
Patent Grant
Travelling concreting device
Patent number
5,522,677
Issue date
Jun 4, 1996
Putzmeister-Werk Maschinenfabrik GmbH
Karl Schlecht
E04 - BUILDING
Information
Patent Grant
Tube switch for a double-cylinder sludge pump
Patent number
5,302,094
Issue date
Apr 12, 1994
Putzmeister-Werk Maschinenfabrik GmbH
Karl Schlecht
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Transport Pipe for Thick Materials
Publication number
20090272453
Publication date
Nov 5, 2009
Karl Schlecht
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Movable concrete pump comprising a distribution boom
Publication number
20060127230
Publication date
Jun 15, 2006
Karl Schlecht
B66 - HOISTING LIFTING HAULING