Patents by Inventor Karl J. Wolf

Karl J. Wolf 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).

  • Valve for closing, throttling or regulating
    Patent number: 4150692
    Abstract: A valve for closing, throttling or regulating having a closing-adjusting cone which is a hollow cylinder which while recessing a part of the cylinder jacket is developed with an opening throughout from the upper to the lower end surface as a partial shell.
    Type: Grant
    Filed: February 8, 1977
    Date of Patent: April 24, 1979
    Assignee: Weinheimer Gummiwerke GmbH
    Inventor: Karl J. Wolf