Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F16
ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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F16H
GEARING
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37/00
Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
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F16H37/02
comprising essentially only toothed or friction gearings
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F16H37/04
Combinations of toothed gearings only
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F16H37/042
change gear transmissions in group arrangement
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F16H37/043
without gears having orbital motion
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F16H2037/045
comprising a separate gearing unit for shifting between high and low ratio range
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