IC 007. US 013 019 021 023 031 034 035. G & S: pneumatic actuators for the automation of valves and of apparatuses with opening and closing at right angle, emission reduction units for motors and engines, namely PCV valves, stamping presses, emission reduction units for motors and engines, namely EGR valves, power transmission belts for machines, valves being parts of a wide variety of machines not used for plumbing purposes, motors for airplanes, boats, electric motors for machines, machine couplings, transmission gears for machines; shaft coupling (not for land vehicles)

IC 009. US 021 023 026 036 038. G & S: electric actuators for the automation of valves and of apparatuses with opening and closing at right angle, automatic valves, solenoid valves, amplifying tubes, radio vacuum tubes, level controlling valves in tanks

IC 011. US 013 021 023 031 034. G & S: plumbing fittings, namely-- valves, traps, cocks; dripper irrigation systems, comprised of valves, regulators, back flow preventer; plumbing supplies, namely sink strainers; steam valves, manually operated plumbing valves, plumbing fittings, namely valves, draught valves for heating apparatus, faucets, mixer faucets for water pipes, water-pipe valves of metal, valves drain traps of metal and of plastics