Patents by Inventor Sven Axel Ekman

Sven Axel Ekman 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).

  • Device for feeding a reel along a track
    Patent number: 3973634
    Abstract: A device for driving a hose or cable reel along a feed beam of a drilling machine at half the speed of the drilling machine. The device comprises a slide guided by the feed beam in which a sprocket wheel is journalled in the slide and is rotated by engagement with the drive chain or similar drive means for the drilling machine to move back and forth in engagement with a stationary member on the feed beam at half the speed of the drilling machine.
    Type: Grant
    Filed: September 27, 1973
    Date of Patent: August 10, 1976
    Assignee: Atlas Copco Aktiebolag
    Inventors: Jan Edvard Persson, Sven Axel Ekman