Patents by Inventor Ake Stroede

Ake Stroede 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).

  • Protection device for electrical incandescent lamps
    Patent number: 4570108
    Abstract: Protection device for electrical incandescent lamps provided with elements which upon switching on electric voltage limit the current strength during a switching-on interval. The device further includes a control unit with a controllable current valve (10) and timing means (19, 20) for the control of the current through the lamp upon switching-on so that a delayed increase of current is obtained from zero to a chosen operating current over a predetermined time interval.
    Type: Grant
    Filed: March 5, 1984
    Date of Patent: February 11, 1986
    Inventors: Ake Stroede, Lars Gunnarsson