Patents by Inventor Viggo Mark

Viggo Mark 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: 3974923
    Abstract: Tilting ramp assembly for fitting to fishing vessel for assisting in raising fishing nets, and launching and recovery of small boats. Assembly has fixed portion secured adjacent the stern of the vessel and moving portion hinged thereto with roller journalled at outer end. Hydraulic cylinder extends between fixed and moving portions for swinging the portions between raised and lowered positions. Spooling gear mounted on ramp assembly feeds rope smoothly onto winch and has spool guides which are removeable when the net is drawn up the ramp, and also serve as skiff guides when hauling skiff up ramp. When raising the net, ramp moves simultaneously from lowered position to raised positon as net swings upwards, reducing crushing of fish.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: August 17, 1976
    Inventors: Viggo Mark, Matthew John Sikich