Patents by Inventor Alois Werschnik

Alois Werschnik has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Clarinet bore having varying diameters
    Patent number: 4430920
    Abstract: Approximately the top third of the upper body of a clarinet has an enlarged bore, the enlargement being located between two narrower zones of the bore with the result that the duodecimos and the high-register tones are correctly tuned but the construction is relatively simple.
    Type: Grant
    Filed: December 17, 1980
    Date of Patent: February 14, 1984
    Inventor: Alois Werschnik
  • Clarinet with varying diameter of its longitudinal bore
    Patent number: 4245543
    Abstract: The bore in the upper middle joint of a Boehm type B clarinet has a uniformly cylindrical portion extending from the lower end to a central region, and the bore diameter gradually increases from there to the top end of the upper middle joint by a total of 0.2 to 0.4 mm, the rate of increase being greatest adjacent the central region and decreasing toward the top end.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: January 20, 1981
    Inventor: Alois Werschnik