Patents by Inventor Jack H. Jessop

Jack H. Jessop 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).

  • Filtration system underdrain
    Patent number: 7090771
    Abstract: The invention is directed to a filter underdrain for supporting a filter media between at least two dividers forming at least one cell, which includes at least one porous plate for supporting the filter media for filtering a fluid, the porous plate spanning across at least one of the dividers; and a plurality of support members beneath the porous plate, the support members containing at least one port for draining the fluid after the fluid passes through the porous plate. The porous plates may be bound together by a lap joint and an end section may be included between at least two of the support members, the end section containing at least one pocket for holding the porous plate.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: August 15, 2006
    Assignee: Infilco Degremont, Inc.
    Inventors: John D. Dyson, Jack H. Jessop, Harold W. Johnson, Jr., Louis U. Brittingham, Jr., Gregory Matanoski
  • Automatic backwash filter system
    Patent number: 6921481
    Abstract: The invention is directed to an automatic backwash filter system that includes at least one influent port for introducing a fluid to the filter; a plurality of partitions forming a plurality of compartments for holding a filtering media for filtering the fluid; at least one porous plate for supporting the plurality of partitions; wherein each of the partitions is mounted atop a continuous portion of the porous plate; and at least one effluent port for draining the fluid away from the compartments. The filter may also include a filter media comprising one or more selected from the group consisting of sand, anthracite coal, and activated carbon.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: July 26, 2005
    Assignee: Ondeo Degremont, Inc.
    Inventors: Jack H. Jessop, Harold W. Johnson, Jr.
  • Filtration system underdrain
    Publication number: 20040055944
    Abstract: The invention is directed to a filter underdrain for supporting a filter media between at least two dividers forming at least one cell, which includes at least one porous plate for supporting the filter media for filtering a fluid, the porous plate spanning across at least one of the dividers; and a plurality of support members beneath the porous plate, the support members containing at least one port for draining the fluid after the fluid passes through the porous plate. The porous plates may be bound together by a lap joint and an end section may be included between at least two of the support members, the end section containing at least one pocket for holding the porous plate.
    Type: Application
    Filed: September 26, 2003
    Publication date: March 25, 2004
    Applicant: Ondeo Degremont, Inc.
    Inventors: John D. Dyson, Jack H. Jessop, Harold W. Johnson, Louis U. Brittingham, Gregory Matanoski
  • Automatic backwash filter system
    Publication number: 20030230525
    Abstract: The invention is directed to an automatic backwash filter system that includes at least one influent port for introducing a fluid to the filter; a plurality of partitions forming a plurality of compartments for holding a filtering media for filtering the fluid; at least one porous plate for supporting the plurality of partitions; wherein each of the partitions is mounted atop a continuous portion of the porous plate; and at least one effluent port for draining the fluid away from the compartments. The filter may also include a filter media comprising one or more selected from the group consisting of sand, anthracite coal, and activated carbon.
    Type: Application
    Filed: June 18, 2002
    Publication date: December 18, 2003
    Applicant: ONDEO Degremont, Inc.
    Inventors: Jack H. Jessop, Harold W. Johnson