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invention category A group or set of inventions that are classified together because of common characteristics. Invention groups that include Agricultural, Communications, Computing, Energy, Transportation and more.
Top 10 Inventions of the Middle Ages. The middle ages (5th â 15th Centuries AD), often termed The Dark Ages, were actually a time of great discovery and invention. The Middle ages also saw major advances in technologies that already existed, and the adoption of many Eastern technologies in the West. This is a list of the ten greatest inventions of the Middle Ages (excluding military inventions). 1. The Heavy Plough 5th Century AD.