Filed: January 11, 1983 Chemical Compositions for Use in the Treatment of Metal Baths-Namely, Calcium-Silicon Powder, Boron, Magnesium, Lead, and… Owned by:AFFIVAL Serial Number:73409103
Filed: May 4, 2010 [Chemicals used in industry; tempering and soldering preparations, namely, chemicals for tempering and soldering; chemical… Owned by:AFFIVAL Serial Number:79083715
Filed: August 20, 2010 Machine tools for the steelmaking industry; machine tools for metallurgical processes; motors and engines except for land… Owned by:AFFIVAL Serial Number:79086989
Filed: November 10, 2023 Mineral-based chemical products; ferro-alloy-based chemical products; metal-based chemical products; all the aforesaid goods… Owned by:AFFIVAL Serial Number:79386820