Patents by Inventor Oliver Trefz

Oliver Trefz 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).

  • Pipe clamp
    Patent number: 10648593
    Abstract: A pipe clamp for a main pipe conveying a medium. The pipe clamp includes a saddle member and bearing elements, wherein the bearing elements are arranged on the saddle member. The pipe clamp further includes a tension unit, wherein the tension unit comprises at least one band for encircling the main pipe, a band linkage, and a clamping lever. The band linkage and the clamping lever are each arranged at one end of the at least one band and are opposite one another. An extension is arranged on the clamping lever, and the extension is configured to be removed from the clamping lever after the tension unit is firmly clamped on the main pipe.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: May 12, 2020
    Assignee: GEORG FISCHER WAVIN AG
    Inventors: Oliver Trefz, Jonas Huessy, Dirk Petry
  • PIPE CLAMP
    Publication number: 20190226607
    Abstract: A pipe clamp for a main pipe conveying a medium. The pipe clamp includes a saddle member and bearing elements, wherein the bearing elements are arranged on the saddle member. The pipe clamp further includes a tension unit, wherein the tension unit comprises at least one band for encircling the main pipe, a band linkage, and a clamping lever. The band linkage and the clamping lever are each arranged at one end of the at least one band and are opposite one another. An extension is arranged on the clamping lever, and the extension is configured to be removed from the clamping lever after the tension unit is firmly clamped on the main pipe.
    Type: Application
    Filed: January 17, 2019
    Publication date: July 25, 2019
    Inventors: Oliver Trefz, Jonas Huessy, Dirk Petry
  • Valve assembly comprising a torque limiter
    Patent number: 8474785
    Abstract: A valve assembly (1) comprising a valve housing (2), a stem (4) that is disposed perpendicular to the direction of flow within the valve housing (2), and a blocking member (3) which can be movably connected to the stem (4). The stem (4) is provided with a device (5) for limiting torque.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: July 2, 2013
    Assignee: Georg Fischer Wavin AG
    Inventors: Thomas Helmbold, Ozan Ufuk Topcuogullari, Oliver Trefz, Joerg Wermelinger, Peter Haug
  • VALVE ASSEMBLY COMPRISING A TORQUE LIMITER
    Publication number: 20100224808
    Abstract: A valve assembly (1) comprising a valve housing (2), a stem (4) that is disposed perpendicular to the direction of flow within the valve housing (2), and a blocking member (3) which can be movably connected to the stem (4). The stem (4) is provided with a device (5) for limiting torque.
    Type: Application
    Filed: July 9, 2008
    Publication date: September 9, 2010
    Applicant: GEORG FISCHER WAVIN AG
    Inventors: Thomas Helmbold, Ozan Ufuk Topcuogullari, Oliver Trefz, Joerg Wermelinger, Peter Haug