Diedrich Uhlhorn (3 June 1764 – 1837) was a German engineer, mechanic and inventor.

Life

Medal Diedrich and Johann Heinrich Uhlhorn (son of D.):
“On the completion of the 200th minting machine in 1876 /
To commemorate the D:Uhlhorn invention of the lever-operated minting machine in 1817”
(Wittig, Grevenbroich 1876, 41,5 mm, gilt bronze)

Uhlhorn was an engineer, mechanic and inventor, who invented in 1817 the first mechanical tachometer. Between 1817 and 1830 he was inventor of the Presse Monétaire (level coin press known as Uhlhorn Press) which bears his name. He was married.

Awards

• Order of the Red Eagle

Literature

• Volker Benard-Wagenhoff, Konrad Schneider: Dieser unerschöpfliche, seltene Mann – Diedrich Uhlhorn und die moderne Münztechnik. Grevenbroich 2009
• Otto Albert Bormann: Dietrich Uhlhorn (1764–1837). In: Rheinisch-Westfälische Wirtschaftsbiographien, Band I. Aschendorff, Münster 1931, pages 177-195.
• Egbert Ritter von Hoyer: Uhlhorn, Diedrich. in: Allgemeine Deutsche Biographie (ADB). Band 39, Duncker & Humblot, Leipzig 1895, pages 166–168.