| Salzgitter Mannesmann Line Pipe GMBH Patent applications |
| Patent application number | Title | Published |
| 20120000541 | USE OF A CONDUIT PIPE FOR PRODUCING A DUCT LAID IN WATER - A metal conduit pipe, which is covered with an extruded layer made of polyamide moulding compound, is used to produce a duct laid in water, wherein in the course of laying the duct, the coating is exposed to a shearing pressure load and/or a bending load due to laying method selected. | 01-05-2012 |
| 20100300572 | ENCASED PIPELINE - A pipeline laid trenchlessly and/or without a sand bed is produced using a metallic conduit which is encased with an extruded layer of a polyamide moulding material. In this way, the durability of the outer shell required for trenchless laying techniques without a sand bed is ensured. | 12-02-2010 |