Patents by Inventor Bertil Olsson, deceased

Bertil Olsson, deceased 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).

  • Optical fibre feed arrangement
    Patent number: 7195230
    Abstract: The present invention concerns a procedure and a system for feeding optical fiber cables into a pipeline with the help of an installation device at adjustable speed. In order to prevent damage during the advancement of the optical fiber cable the engine (15) of the installation device has been supplied with a friction safety clutch (17) exerting pressure on a moving coil (18, 23).
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: March 27, 2007
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Agneta Fast-Karberg, legal representative, Maria Berglund, legal representative, John Eriksson, Gojko Radojevic, Bertil Olsson, deceased