IC 009. US 021 023 026 036 038. G & S: Regulating and controlling apparatus, namely, switches for the operation of one or more pumps with a drive motor, control units in the nature of switch boxes for the electrical connection of AC and three phase pumps, flow regulators, for commercial and domestic use, and electronic flow and pressure controllers

IC 011. US 013 021 023 031 034. G & S: Hot water heating installations comprising radiators, electric heating cables, heating boilers, heat pumps, heat and steam accumulators, heat-exchangers and solar collectors; hot water space heating apparatus comprising pumps for domestic hot water circulators, secondary circulators for mechanical building and industrial services, solar thermic pumps and parts therefore; hot water heaters comprising central hot water heaters, hot water circulating pumps for hot water circulators, secondary and service water heaters and open condensation water heaters, glandless pumps for hot water heaters of all kinds, closed chilled water circulators, industrial circulators and parts therefore; hot water apparatus, namely, hot water tanks, heating boilers, namely, electrical boilers, furnace boilers, industrial boilers; heating elements, namely, electrical heating cables; air conditioning installations; heat pumps, heat accumulators as components of heating and water conduit installations, namely, heat accumulators

IC 037. US 100 103 106. G & S: Installation, maintenance and repair of pumps and heating installations