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Steinway & Sons Piano Patents (1900 - 1949)

A Tradition of Superior Design Innovations
Date
Patent Name
Improvement
Inventor
1903 Upright Piano Improvement on the capo tasto bar and plate. Henry Ziegler
1907 Case for Upright Pianos Innovation on upright case. Frederick Steinway
1908 String-Frame for Upright Pianos Innovation on case for uprights. Henry Ziegler
1911 Lid for Upright Pianos Introduction of sliding key lid for uprights. Theodore E. Steinway
1917 Sostenuto Device for Pianos Introduction of sostenuto pedal for grands. Theodore E. Steinway
1923 Trackerboard for Player Pianos and Organs Innovation of tracker bar. Paul H. Bilhuber
1931 Piano Key Mounting Innovation of key mounting system. Frederick A. Vietor
1932 Piano String-Frame Innovation of cast-iron plate and capo tasto bar. Stanley Weber
1932 Key Mounting for Piano Action Further innovation of previous patent. Frederick A. Vietor
1933 Method of Heat Treating Piano String Frames Innovation for frame preperation. Stanley Weber
1934 Piano Construction Agraffe pin Improvement. Theodore E. Steinway
1934 Piano Scale Further innovation of duplex scale. Paul H. Bilhuber
1935 Piano, and More Particularly to the Mounting of Strings Thereon Improvement of agraffe. Paul H. Bilhuber
1936 Piano Keyboard Improvement on key rail pin balance. Frederick A. Vietor
1936 Piano and Like Musical Instruments Using Strings Improvement on capto tasto bar. Paul H. Bilhuber
1936 Soundboard for Pianos and Other Instruments or Devices Using Soundboards Improvement on soundboard mounting. Paul H. Bilhuber
1937 Soundboard for Pianos Improvement on soundboard mounting. Paul H. Bilhuber
1937 Design for a Piano Case New design for upright piano. William Zaiser
1937 Keyboard Instrument, Such As A Piano, Clavier, Grand Piano, Etc. Further innovation of previous patent. Paul H. Bilhuber
1938 Soundboard for Pianos Further innovation of previous patent. Paul H. Bilhuber
1938 Acoustic Translating Device Design for mounting amplifying speaker. Paul H. Bilhuber
1938 Design for an Upright Piano New design. Everett Worthington
1938 Piano Design for a sound deflector for grands. Dunbar Beck
1938 Touch Weight Regulating Device Manufacturing innovation. Steinway & Sons
1939 Design for a Piano Case Special design for White House piano case for Franklin D. Roosevelt. Eric Gugler
1939 Design for a Lyre for a Piano Specific part design for White House piano for Franklin D. Roosevelt. Eric Gugler
1939 Design for a Piano Leg Specific part design for White House piano for Franklin D. Roosevelt. Eric Gugler
1939 Design for a Grand Piano Complete piano design for White House Piano for Franklin D. Roosevelt. Eric Gugler
1941 Keyboard Instrument, Such As a Piano, Clavier, Grand Piano, Etc. Further improvement of previous patent. Paul H. Bilhuber
1944 Operating Means for Piano Actions Innovation for raising keyboard height in uprights. Paul H. Bilhuber
1944 Piano Pin Block Innovation to combine the pinblock and plate. Paul H. Bilhuber
1945 Moulded Article Producing Apparatus Innovation for molding. Paul H. Bilhuber
1945 Strip Element Gluing Method and Apparatus Innovation for "continous-feed edge-gluing" Paul H. Bilhuber
1947 Improvements in or Relating to the Treatment of Wood New method for treating wood. Paul H. Bilhuber
1947 Improvements in or Relating to Method and Apparatus for Producing Molded Products Further innovations on previous patent. Paul H. Bilhuber
1948 Apparatus for Edge Gluing Strip Elements Further innovation on previous patent. Paul H. Bilhuber

Note: Other patents were registered by employees of Steinway & Sons in 1943 for making gliders and airplanes.

Sources (Click to Expand/Collapse)
Ratcliffe, Ronald and Stuart Isacoff. Steinway. San Francisco: Chronicle Books, 2002.

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