Patents by Inventor Cornelis Gerardus Middelbeek

Cornelis Gerardus Middelbeek 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).

  • Method for collecting light-weight substances floating on a liquid surface
    Patent number: 4126552
    Abstract: In a method of collecting light-weight substance floating on a liquid the light-weight substance is sprayed with the aid of a liquid jet into an accumulator tank in that the light-weight substance lands together with the liquid jet as a downward stream about a lower edge of the open bottom of the tank into said tank.In order to keep the liquid jet effective the disintegration of the liquid jet is prevented. To this end the liquid jet is guided above the layer of light-weight substance along a bar or similar guide means.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: November 21, 1978
    Assignee: Ballast Nedam Groep N.V.
    Inventor: Cornelis Gerardus Middelbeek
  • Device for collecting light-weight substances floating on a liquid surface
    Patent number: 4059526
    Abstract: In an apparatus for collecting light-weight substance floating on a liquid the light-weight substance is sprayed with the aid of a liquid jet into an accumulator tank in that the light-weight substance lands together with the liquid jet as a downward stream about a lower edge of the open bottom of the tank into said tank.In order to keep the liquid jet effective the disintegration of the liquid jet is prevented. To this end the liquid jet is guided above the layer of light-weight substance along a bar or similar guide means.
    Type: Grant
    Filed: March 24, 1976
    Date of Patent: November 22, 1977
    Assignee: Ballast Nedam Groep N.V.
    Inventor: Cornelis Gerardus Middelbeek
  • Oil separator for separating oil lighter than the purified liquid being in a very pure state
    Patent number: 3933654
    Abstract: A device for separating oil from an oil laden liquid in which a tank having an inlet and outlet in opposite side walls has at least two parallel inclined plates between them to define a tortuous path for the liquid. The plate adjacent the inlet has one edge secured to the inlet wall to define a space to minimize the turbulence of the incoming liquid.
    Type: Grant
    Filed: June 19, 1973
    Date of Patent: January 20, 1976
    Assignee: Frederic R. Harris (Holland) B.V.
    Inventor: Cornelis Gerardus Middelbeek