Patents by Inventor Karl I. Knutsen

Karl I. Knutsen 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).

  • Waste dispensing device for recreational vehicles and the like
    Patent number: 4231595
    Abstract: A waste dispensing device for recreational vehicles includes an elongate longitudinally compressible and extensible hose which is connected to the waste outlet fitting of a recreational vehicle. The dispensing device includes an exterior housing structure which is secured to and positioned around that end portion of the hose which is connected to the recreational vehicle. The hose may be longitudinally retracted and contained within the exterior housing structure when the vehicle is being moved, and conversely, the hose may be longitudinally extended for connection to a waste disposal system, when the vehicle is stationary.
    Type: Grant
    Filed: November 29, 1978
    Date of Patent: November 4, 1980
    Inventor: Karl I. Knutsen