Patents by Inventor Marcel Refer

Marcel Refer 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: 5191993
    Abstract: A cylindrical vessel is closed at its end by a cover. To facilitate opening, the cover is tiltably mounted at its sides on supporting blocks. By means of spindles, the two supporting blocks can be raised and lowered. At least one swivel arm is tiltably articulated to the vessel closure and tiltably as well as slideably articulated to the vessel, in such a manner that upon raising of the cover, the latter is at the same time tilted back away from the exposed vessel opening to improve access to the interior of the vessel.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: March 9, 1993
    Assignee: Xorella AG
    Inventors: Freddy Wanger, Marcel Refer, Rainer Schneckenburger