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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2200/00
Transmissions for multiple ratios
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F16H2200/20
Transmissions using gears with orbital motion
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F16H2200/202
characterised by the type of Ravigneaux set
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F16H2200/2023
using a Ravigneaux set with 4 connections
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