Patents by Inventor John WOLZAK

John WOLZAK 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).

  • Patent number: 10780557
    Abstract: The present invention relates to a slugging wrench for exerting slugging force on a fastening member such as a nut during tightening or loosening thereof, the slugging wrench comprising: an arm, an impact absorbing element arranged on the arm for absorbing the slugging force, a receiving member for receiving the fastening member, wherein the receiving member is provided with an inner surface fitting in force-transmitting manner on an outer surface of the fastening member and preferably having in a view, such as in the in-feed direction, a shape such as a polygon, such as a hexagon, such as a dodecagon, wherein the inner surface is provided with two grooves suitable for receiving a clamping member for the purpose of providing a clamping action in respect of the fastening member.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: September 22, 2020
    Assignee: AMPCO METAL S.A.
    Inventor: John Wolzak
  • Publication number: 20160016296
    Abstract: The present invention relates to a slugging wrench for exerting slugging force on a fastening member such as a nut during tightening or loosening thereof, the slugging wrench comprising: an arm, an impact absorbing element arranged on the arm for absorbing the slugging force, a receiving member for receiving the fastening member, wherein the receiving member is provided with an inner surface fitting in force-transmitting manner on an outer surface of the fastening member and preferably having in a view, such as in the in-feed direction, a shape such as a polygon, such as a hexagon, such as a dodecagon, wherein the inner surface is provided with two grooves suitable for receiving a clamping member for the purpose of providing a clamping action in respect of the fastening member.
    Type: Application
    Filed: February 15, 2013
    Publication date: January 21, 2016
    Inventor: John WOLZAK