Patents August 2012
More patents: see German part
1. A moulding equipment and method to manufacture stackable inter-engaging bricks with a smooth or embossed face
2. System of Brick with rod for retaining wall
3. Wärmedämmender Mauerstein
4. Thermal insulation wall construction element
5. Roof tile and roof tile assembly
6. Continuous mixing system for preparing impermeable soil material mixture and control method