Patents by Inventor Siegfried Sonneborn

Siegfried Sonneborn 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: 4654931
    Abstract: A hinge device for tilting windows, particularly tilting windows for installation in an inclined roof, includes two hinge parts adapted to be secured to the frame of the window and its sash, respectively, the hinge parts having respective base plates, a guide on one of the base plates, the guide forming a part-circular guide channel, a slide member on the other of the base plates, the slide member corresponding in shape to the guide channel and defining a tilting axis spaced from the plane of the window, a plate element forming the concave guide on one side of the part-circular guide channel, the plate element being spaced from the base plate and secured thereto by rivets or similar pins to the base plate of the hinge part, an arched blade spring arranged in the space between the plate element and the base plate, the blade spring having curved end portions gripping partly around and held in place by two of the rivets securing the plate element, a guide pin on the hinge part having the slide member, the guide
    Type: Grant
    Filed: July 2, 1985
    Date of Patent: April 7, 1987
    Assignee: V Kann Rasmussen Holding A/S
    Inventors: Siegfried Sonneborn, Manfred Handel, Ernst Mack, Carl F. Gerstrom, Peter Sorensen
  • Patent number: 4621466
    Abstract: The invention relates to a flashing frame for roof windows to be installed adjacent to each other with edges facing each other in the installed position with a connecting flange of its upper flashing members extending beneath the roofing and, if need be, with its lower flashing members and required intermediary flashing members, obliquely outwardly bent connecting webs and each with a connecting bar with supporting webs which rearwardly engage the connecting webs being adjacent to the width of the installation distance and are obliquely bent inwardly on both sides, and at least one inner projection which engages between the facing corner edges of the connecting webs in the installed position, thus maintaining these corner edges at the installation distance.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: November 11, 1986
    Assignee: Rasmussen Holding S/A
    Inventors: Siegfried Sonneborn, Manfred Handel, Ernst Mack
  • Patent number: 4543753
    Abstract: The invention relates to a flashing frame for roof windows to be installed adjacent to each other with edges facing each other in the installed position with a connecting flange of its upper flashing members extending beneath the roofing and, if need be, with its lower flashing members and required intermediary flashing members, obliquely outwardly bent connecting webs and each with a connecting bar with supporting ribs which rearwardly engage the connecting webs being adjacent to the width of the installation distance and are obliquely bent inwardly on both sides, and at least one inner projection which engages between the facing corner edges of the connecting webs in the installed position, thus maintaining these corner edges at the installation distance.
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: October 1, 1985
    Assignee: Rasmussen Holding A/S
    Inventors: Siegfried Sonneborn, Manfred Handel, Ernst Mack