About 2 Trademarks found that are owned by AktIebolaget Alvenius Industrier

The device feature in the mark sought to be registered in this application consists of a stylized representation of three pipes-with-couplings in cross sections.

gaskets made of rubber or synthetic rubber, for use with pipes, couplings, valves and condensate traps

pipes, and couplings and fittings therefor, all made of ferrous metal; manually operated metal valves; metal hardware; namely, condensate traps