Patents by Inventor Bastiaan B. Eertink

Bastiaan B. Eertink 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).

  • Apparatus for cleaning waste water
    Patent number: 4655918
    Abstract: Device and method for cleaning waste water, wherein the waste water (19) and oxygen gas (31) are flowing in opposite directions through a cylindrical multireactor (20) having a central rotatable pipe (24), the multireactor comprising a number of bioreactors and at least one separation chamber (75). The average pressure difference between two successive bioreactors is at most seven meter water column. The bioreactors are separated from each other by stationary walls (40, 41, 48, 55, 60), and each bioreactor has its own mixing device (50) for mixing waste water and oxygen gas.
    Type: Grant
    Filed: February 25, 1985
    Date of Patent: April 7, 1987
    Inventor: Bastiaan B. Eertink
  • Method for cleaning waste water
    Patent number: 4505820
    Abstract: Method for cleaning waste water, wherein the waste water (19) and oxygen gas (31) are flowing in opposite directions through a cylindrical multireactor (20) having a central rotatable pipe (24), the multireactor comprising a number of bioreactors and at least one separation chamber (75). The average pressure difference between two successive bioreactors is at most seven meter water column. The bioreactors are separated from each other by stationary walls (40, 41, 48, 55, 60), and each bioreactor has its own mixing device (50) for mixing waste water and oxygen gas.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: March 19, 1985
    Inventor: Bastiaan B. Eertink