Patents by Inventor Ole B. Johansen

Ole B. Johansen 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).

  • Arrangement in sanitary closet systems
    Patent number: 4142261
    Abstract: An improved sanitary water closet wherein the soil pipe leading to the sludge tank, passes through a flushing container and is formed inside the latter with a bend provided with grid means arranged to allow passage through of liquid into the container and further to a septic tank, but to divert solid material to the sludge tank. Because of the separation of liquid and solid products, the sludge product obtained in the sludge tank contains very little moisture and is therefore easily biologically degradable.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: March 6, 1979
    Inventor: Ole B. Johansen