CHALLENGE EFFICIENCY

Recorded computer programs for use in operating industrial machinery and instruments; recorded computer programs only for design, calculation and control of heat exchangers, remote refrigeration stations and district heating stations and apparatus and instruments for measuring, signaling and control of industrial machinery and instruments; apparatus and instruments for measuring, signaling and control, namely, hydrometers, heating meters, heat sensors, heat detectors, heat regulators, alarm systems and automatic liquid-flow control machines and instruments; electric installations for the remote control of industrial operations; water and quantity level indicators; luminous or mechanical signaling panels used when operating industrial machinery and instruments; pressure indicators and pressure gauges; densimeters, thermostats, temperature indicators; voltage regulators for use in heat regulating apparatus; electrical and mechanical controllers for use with heat regulating apparatus, heating boilers and heat exchangers

Water taps for pipes; control and safety devices for water supply plants, namely, metered valves for regulating water supply; pipes, being parts of heating, ventilation and sanitation installations; sanitary apparatus and installations, namely, toilets and sinks; water heaters; air-conditioning and ventilation apparatus and instruments; radiators, heating installations, heating boilers, heat exchangers, not being parts of machines and parts and fittings therefor not included in other classes

Technical consultancy in the field of heating, ventilation, air-conditioning, refrigeration, energy and computer hardware and software; scientific and technological services and research and design relating thereto in the field of heating, ventilation, air-conditioning, refrigeration, energy and computer hardware and software; engineering services in the field of heating, ventilation, air-conditioning, refrigeration, energy and computer hardware and software; calibration; design and development of computer hardware and software; installation and leasing of computer software; leasing of computer hardware