Patents by Inventor Sophia Cummings

Sophia Cummings 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).

  • Solid and liquid separation device
    Patent number: 6899807
    Abstract: A solid and liquid separation device, comprising: a housing, the housing having an inlet, a solid outlet and a liquid outlet, the liquid outlet located in a lower portion of the housing; a screen located within the housing, the screen positioned above the liquid outlet at an inclined angle, wherein a lower end of the screen is directly below the inlet; a conveying assembly, mounted in the housing located above the screen, and including two rotation shafts co-operating with two drive members, a plurality of connecting rods mounted between the two drive chains, each drive chain comprising at least one longitudinally flexible link, each connecting rod including a scraper, the scraper capable of contacting the screen for driving solids toward an upper end of the screen; and, a squeeze assembly, including a cylinder for supporting solids falling from the upper end of the screen, the cylinder provided with a threaded rod that is configured to be driven to rotate by a power member, the threaded rod capable of output
    Type: Grant
    Filed: May 29, 2003
    Date of Patent: May 31, 2005
    Inventor: Sophia Cummings
  • Solid and liquid separation device
    Publication number: 20030230520
    Abstract: A solid and liquid separation device, comprising: a housing, the housing having an inlet, a solid outlet and a liquid outlet, the liquid outlet located in a lower portion of the housing; a screen located within the housing, the screen positioned above the liquid outlet at an inclined angle, wherein a lower end of the screen is directly below the inlet; a conveying assembly, mounted in the housing located above the screen, and including two rotation shafts co-operating with two drive members, a plurality of connecting rods mounted between the two drive chains, each drive chain comprising at least one longitudinally flexible link, each connecting rod including a scraper, the scraper capable of contacting the screen for driving solids toward an upper end of the screen; and, a squeeze assembly, including a cylinder for supporting solids falling from the upper end of the screen, the cylinder provided with a threaded rod that is configured to be driven to rotate by a power member, the threaded rod capable of output
    Type: Application
    Filed: May 29, 2003
    Publication date: December 18, 2003
    Inventor: Sophia Cummings