IC 009. US 021 023 026 036 038. G & S: Electrical and electronic apparatus and instruments as well as computers and computer hardware and software for windmills, namely control and monitoring apparatus and instruments for automatically turning the generator on or off as well as for automatic starting after public power line defects, overvoltage protections against strokes of lightning; microprocessor apparatus and instruments for monitoring constant voltage, frequency, phase conditions, rotor speed, efficiency and thickness of brake pads, and temperature as well as wind direction and wind force; vibration sensors for installation in the windmill cap; electricity-meters
IC 037. US 100 103 106. G & S: Erection, construction, installation, maintenance and repair of wind mills
IC 042. US 100 101. G & S: Technical and legal consultation concerning windmill projects and effecting such projects, development and testing of windmills and components therefor, effecting research projects concerning windmills, remote monitoring of windmills by computer, design and development of computer hardware and software for use in connection with remote monitoring of windmills
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