TSF has among its field of engineering a series of patents of its own:

• Shear pin. Combined variable diameter bolt cap for applications that must withstand shear.
• TSH and SH. Solution to ensure high preloads with high accuracy.
• Screw and nut TSF. Tamper-proof screw and nut also has the feature of removable and indestructible.
• System for wind turbine blades separated into sectors. The solution is to divide the blade into two parts and unite them by introducing a special fasteners. In this way, facilitates the manufacture, transport, assembly and disassembly.