- Clarinets with different arrangements of keys and holes - Clarinets in different pitches
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Iwan Müller clarinet with 13 keys and leather pads, developed in 1812.
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French Clarinet (Original Boehm with 17 keys and 6 rings). Developed ca. 1843 by Hyacinthe Klosé and Louis Auguste Buffet.
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Albert clarinet designed ca. 1850 by Eugène Albert.
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Oehler calarinet with a cover on the middle tone hole of the lower joint, developed in 1905 by Oskar Oehler.
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Bass clarinet, Basset horn, clarinets in D, B♭, A, High A♭ and E♭, and basset horn (german system)
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Alto clarinet (german system)