Patents by Inventor Michael W. Grosskopf

Michael W. Grosskopf 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 and apparatus for dissolved air flotation with aeration
    Patent number: 5492630
    Abstract: A method and apparatus for aeration of waste water in a dissolved air flotation waste water treatment system includes a container for receiving and retaining waste water for settling of heavy particles and flotation of light particles to the surface of the waste water. Waste water is removed from the container and supplied to a free standing tank. Pressure in the tank is maintained at a predetermined level through the injection of compressed air into the tank. Waste water removed from the tank is pumped through a multiple jet configuration wherein air from the tank is entrained in the waste water as the water is injected back into the tank. The aerated water is discharged from the tank back into the container, thereby providing an efficient aeration process. Aerating the water in a free standing tank separate from the container increases clarification quality as a result of reduced disturbance of the particles floated to the surface of the waste water and reduced need for chemical addition to the waste water.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: February 20, 1996
    Assignee: Darling International, Inc.
    Inventors: Mel Roshanravan, Michael W. Grosskopf
  • Method and apparatus for dissolved air flotation with aeration
    Patent number: 5151177
    Abstract: A method and apparatus for aeration of waste water in a dissolved air flotation waste water treatment system includes a container for receiving and retaining waste water for settling of heavy particles and flotation of light particles to the surface of the waste water. Waste water is removed from the container and supplied to a free standing tank. Pressure in the tank is maintained at a predetermined level through the injection of compressed air into the tank. Waste water removed from the tank is pumped through a multiple jet configuration wherein air from the tank is entrained in the waste water as the water is injected back into the tank. The aerated water is discharged from the tank back into the container, thereby providing an efficient aeration process. Aerating the water in a free standing tank separate from the container increases clarification quality as a result of reduced disturbance of the particles floated to the surface of the waste water and reduced need for chemical addition to the waste water.
    Type: Grant
    Filed: May 10, 1990
    Date of Patent: September 29, 1992
    Assignee: Darling-Delaware Company, Inc.
    Inventors: Mel Roshanravan, Michael W. Grosskopf