Patents by Inventor Thomas C. Daugherty

Thomas C. Daugherty 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).

  • Waste water settling apparatus and method
    Patent number: 5948258
    Abstract: A waste water settling apparatus includes a closed cylindrical vessel supported on and vertically extending above a base, two vertical vibrators joined to the closed vessel for vibrating the vessel, and a drive spring assembly joined between the vibrators and the vessel for multiplying the vertical force of the vibrators. The closed cylindrical vessel includes a rotary valve joined to the lower portion of the vessel for discharging densified solids settled out of the waste water.
    Type: Grant
    Filed: February 3, 1997
    Date of Patent: September 7, 1999
    Inventor: Thomas C. Daugherty