SS

Siegfried Schwert

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #418,775 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9816660 Lining hose, renovated pressure pipe and method for renovating a pressure pipe Ralf Odenwald 2017-11-14
8323445 Method for lining a pipe conduit or a duct 2012-12-04
7641756 Method and device for lining a pipe conduit or a channel 2010-01-05
6779563 Method and tube for lining a high pressure pipe Georg M. Mair, Andreas Huttemann, Peter Marquardt 2004-08-24
6374862 Tubing for lining pipes and method for producing the same 2002-04-23
6129119 Flexible tube for lining pipes and ducts as well as method and an apparatus for manufacturing thereof Andre Rose, Andreas Huttemann, Peter Marquardt, Wolf Rabold 2000-10-10
6053211 Method for the coating of sewer pipes including apparatus for carrying out the method Wolf Rabold 2000-04-25
6050300 Method and an apparatus for lining a pipe or duct Andre Rose, Andreas Huttemann, Peter Marquardt, Wolf Rabold 2000-04-18
6032698 Method and an apparatus for lining a pipe or duct Wolf Rabold, Uwe Fischer 2000-03-07
5997215 Process and device for pulling a pipe laid or to be laid in the ground 1999-12-07
5984582 Method of extracting a hollow unit laid in the ground 1999-11-16
5271433 Hose for lining pressure pipe lines Franz X. Huemer 1993-12-21