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Wilhelm Hofmann
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Niederdorfelden, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Device and method for controlling a thick matter pump
Patent number
7,611,332
Issue date
Nov 3, 2009
Putzmeister Concrete Pumps GmbH
Wilhelm Hofmann
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Device and method for controlling a two cylinder thick matter pump
Patent number
7,611,331
Issue date
Nov 3, 2009
Putzmeister Concrete Pumps GmbH
Stefan Hoefling
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Device and method for controlling a thick matter pump
Patent number
7,581,935
Issue date
Sep 1, 2009
Putzmeister Concrete Pumps GmbH
Wilhelm Hofmann
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
DEVICE FOR THE DRIVE CONTROL OF A TWO-CYLINDER THICK MATTER PUMP
Publication number
20150211503
Publication date
Jul 30, 2015
Putzmeister Engineering GmbH
Wilhelm Hofmann
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Device and method for controlling a two cylinder thick matter pump
Publication number
20070196219
Publication date
Aug 23, 2007
Putzmeister Aktiengesellschft
Stefan Hofling
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Device and method for controlling a thick matter pump
Publication number
20060245943
Publication date
Nov 2, 2006
Wilhelm Hofmann
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Device and method for controlling a thick matter pump
Publication number
20060245942
Publication date
Nov 2, 2006
Wilhelm Hofmann
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...