Patents by Inventor Hugo Speichert

Hugo Speichert 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).

  • Device for the production of toothed belts
    Patent number: 3973894
    Abstract: A method of and apparatus for making toothed belts of rubber or rubber-like elastic synthetic materials with an enveloping fabric covering, the belt teeth, according to which an enveloping fabric strip is folded into successive folds corresponding to the belt teeth to be formed, and the cavities defining folded portions on the inside of said fabric strip are filled with elastomeric material of the type of which the belt teeth are to be made, whereupon layers of elastomeric material and straight members making up the remainder of the belt to be made are placed upon each other to build up the belt, whereafter the thus obtained assembly is vulcanized.
    Type: Grant
    Filed: April 8, 1974
    Date of Patent: August 10, 1976
    Assignee: Continental Gummi-Werke Aktiengesellschaft
    Inventors: Ulrich Lindner, Hugo Speichert, Walter Stritzke, Werner Kilian, Dieter Bagowski, Horst Weber