# Trade Mark Journal No.2026/008 20 February 2026

## UK00004311617 17 December 2025 (7,9)

Halo

Class 7
  Industrial machines incorporating stainless-steel electrolysis modules for hydrogen production; assemblies of electrochemical machinery used in commercial or decentralised hydrogen-generation systems; electromechanical equipment for circulating water, managing gas flow and supporting electrochemical reactions in hydrogen-production units; hydrogen-generating electrolysers constructed principally from stainless steel; modular hydrogen-production units for industrial, commercial and decentralised applications; low-voltage, high-current electrolysis apparatus; electrochemical reactors for producing hydrogen from water, including impure water sources such as tap, brackish, effluent and reclaimed water; apparatus comprising stainless-steel reaction chambers, electrode assemblies, flow channels and structural housings; systems adapted for scalable installation by combining multiple electrolysis modules.
Class 9
  Scientific, electrical and electrochemical apparatus used in connection with hydrogen-generation equipment; sensors and diagnostic instruments for measuring temperature, conductivity, voltage, current, pressure, water quality and gas purity in electrolysis systems; electronic circuits and regulator hardware for power distribution to electrolysis modules; embedded firmware required for safe operation and monitoring of electrolysers; safety monitoring devices for leak detection, thermal protection and operational limits.

Hydrostar Europe Ltd