Patents by Inventor Seppo J. Kiviniemi

Seppo J. Kiviniemi 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: 5373916
    Abstract: The invention relates to a safety apparatus mounted in the doorway of an elevator shaft to prevent people, animals and objects from falling down into the shaft. The safety apparatus comprises a collapsible safety wall composed of laminae (1) and supported by telescopic bars (2). The bars (2) are inserted through holes provided in the laminae and attached by their ends to separate supporting structures (3) either with or without hinges (4).
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: December 20, 1994
    Assignee: Kone Elevator GmbH
    Inventors: Seppo J. Kiviniemi, Ari Ketonen