Patents by Inventor Finn Benthin

Finn Benthin 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).

  • Mixing device
    Patent number: 4050677
    Abstract: A device for the in situ building up of fibre-reinforced mortars and plastics, said includes an inner tube serving to forward a stream of air-born fibres. Surrounding the inner tube is a jacket with means for supplying pressurized air thereto, and having at its front end an inward inclining slit or bores. Surrounding the jacket is an outer tube with means for supplying the product to be reinforced thereto, the outer tube having an outlet at its front end for passage of the mixture leaving the device.
    Type: Grant
    Filed: January 13, 1976
    Date of Patent: September 27, 1977
    Assignee: A/S Hotaco
    Inventor: Finn Benthin