HH

Hellmut Hurr

PU Putzmeister: 6 patents #3 of 45Top 7%
PG Putzmeister-Werk Maschinenfabrik Gmbh: 3 patents #3 of 23Top 15%
PG Putzmeister Concrete Pumps Gmbh: 1 patents #5 of 19Top 30%
Overall (All Time): #519,727 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7654800 Mobile concrete pump and corresponding building frame Joachim Leibbrand, Dieter Schneider 2010-02-02
7048006 Material feeding container for two-cylinder thick matter pumps 2006-05-23
6834911 Mobile work machine comprising accessible platforms Dieter Schillinger, Dieter Schneider 2004-12-28
6488477 Material feed container, especially for thick material pumps 2002-12-03
6338615 Pipe switch for two-cylinder thick-material pump Hartmut Benckert, Karl Schlecht 2002-01-15
6220834 Support pipe for concrete pump with pivoting valve Klaus Buhrer, Hartmut Benckert 2001-04-24
5957675 Thick matter pump with a cleaning cartridge and blocking slide Klaus Buehrer 1999-09-28
5823748 Device for opening and closing a closure cap Hartmut Benckert, Paul Baeumen 1998-10-20
5746247 Slide valve for a twin-cylinder pump for viscous fluids Karl Schlecht 1998-05-05
5190449 Material feed tank for sludge pumps Rolf Dose, Hartmut Benckert 1993-03-02