Patents by Inventor Alfonsus Antonius Geurtsen

Alfonsus Antonius Geurtsen 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: 4102787
    Abstract: An apparatus to separate a mixture of liquids of different specific gravities, e.g. oil and water, said apparatus having in a closed vessel a separation space with a movable wall portion for controlling the discharge of lighter liquid therefrom, said wall portion being operated by the lighter liquid collecting in said separation space and being a diaphragm or a bellows.
    Type: Grant
    Filed: July 16, 1976
    Date of Patent: July 25, 1978
    Assignee: Machinefabriek Geurtsen Deventer, B.V.
    Inventor: Alfonsus Antonius Geurtsen
  • Patent number: 3977975
    Abstract: Apparatus to separate a mixture of liquids of different specific gravities, e.g. oil and water, said apparatus having in a closed vessel a separation space with means for controlling the discharge of lighter liquid therefrom and a multiple filter provided beneath said separation space and consisting of a series of filtering cloths separated from one another by intermediate chambers, the upper wall of each intermediate chamber being provided with passages opening into the lower region of the separation space and controllable by valve means.The invention relates to an apparatus for the separation of a mixture of liquids of different specific gravities, e.g.
    Type: Grant
    Filed: November 20, 1974
    Date of Patent: August 31, 1976
    Assignee: Machinefabriek Geurtsen Deventer, B.V.
    Inventor: Alfonsus Antonius Geurtsen