Berlin
Germany
3
2016-06-16
Siegfried Schwert from Berlin, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Lining hose, renovated pressure pipe and method for renovating a pressure pipe
#2 | 2011-03-17Method for lining a pipe conduit or a duct
#3 | 2006-11-16Method and device for lining a pipe conduit or a channel
3355176 ⎘