Friedrich Blühmel (born 1777, died before 1845) was a German horn player and musical instrument builder.
[1] Friedrich Blühmel initially worked as a coal miner, whilst also learning to play the violin and various woodwind instruments.
Both inventors added two valves to the natural horn, allowing the instrument to play a full chromatic series.
[3][failed verification] In 1818, Friedrich Blühmel and Heinrich Stölzel registered a patent for their two-valve chromatic horn.
This was expanded in 1819 to a three-valve system by the instrument builder Christian Friedrich Sattler in Leipzig.