Patents by Inventor Ralph Simmack

Ralph Simmack 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).

  • High-speed safety heald shaft
    Patent number: 8813791
    Abstract: Guard elements (31) are provided for the corner connectors (16 through 19) of a heald shaft (10) of a shedding unit, the guard elements covering the open space formed between the two legs (26, 27) and thus providing a grip protection.
    Type: Grant
    Filed: September 19, 2012
    Date of Patent: August 26, 2014
    Assignee: Groz-Beckert KG
    Inventors: Christian Gerth, Bernd Pfeffer, Ralph Simmack