Patents by Inventor Charles H. Peckham, JR.

Charles H. Peckham, JR. 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).

  • Dissolved air flotation desludging in liquid treatment
    Patent number: 9890058
    Abstract: A method and apparatus of minimizing the loss of liquid in a dissolved air flotation desludging process, is disclosed. The method and apparatus creates an ambient airflow over the top of the dissolved air flotation tank directed towards a weir at one end of the dissolved air flotation tank whereby sludge floating on top of the liquid is accelerated over the weir at a higher rate than the liquid, thereby conserving the amount of liquid lost over the weir.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: February 13, 2018
    Inventor: Charles H. Peckham, Jr.
  • DISSOLVED AIR FLOTATION DESLUDGING IN LIQUID TREATMENT
    Publication number: 20150291445
    Abstract: A method and apparatus of minimizing the loss of liquid in a dissolved air flotation desludging process, is disclosed. The method and apparatus creates an ambient airflow over the top of the dissolved air flotation tank directed towards a weir at one end of the dissolved air flotation tank whereby sludge floating on top of the liquid is accelerated over the weir at a higher rate than the liquid, thereby conserving the amount of liquid lost over the weir.
    Type: Application
    Filed: April 14, 2015
    Publication date: October 15, 2015
    Inventor: Charles H. Peckham, JR.