Patents by Inventor Dennis F. Hallahan

Dennis F. Hallahan 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).

  • Leaching chamber having pillars
    Publication number: 20110293371
    Abstract: A plastic leaching chamber has an arch shape cross section, corrugations, and one or more hollow pillars extending downwardly within the interior of the chamber, to support the top of the chamber when the chamber is under load during use. Chambers nest within one another to form a stack of chambers for transport or storage. Chambers have peak corrugations which are substantially wider than the intervening valley corrugations. Chambers having different widths and profiles have common size connectors.
    Type: Application
    Filed: March 28, 2011
    Publication date: December 1, 2011
    Applicant: Infiltrator Systems, Inc.
    Inventors: Roy Moore, JR., Bryan A. Coppes, Dennis F. Hallahan, Christopher R. Cardillo
  • Leaching chamber having pillars
    Publication number: 20110293370
    Abstract: A plastic leaching chamber has an arch shape cross section, corrugations, and one or more hollow pillars extending downwardly within the interior of the chamber, to support the top of the chamber when the chamber is under load during use. Chambers nest within one another to form a stack of chambers for transport or storage. Chambers have peak corrugations which are substantially wider than the intervening valley corrugations. Chambers having different widths and profiles have common size connectors.
    Type: Application
    Filed: March 24, 2011
    Publication date: December 1, 2011
    Applicant: Infiltrator Systems, Inc.
    Inventors: Roy Moore, JR., Bryan A. Coppes, Dennis F. Hallahan, Christopher R. Cardillo
  • Corrugated leaching chamber with hollow pillar supports
    Patent number: 7914230
    Abstract: A plastic leaching chamber has an arch shape cross section, corrugations, and one or more hollow pillars extending downwardly within the interior of the chamber, to support the top of the chamber when the chamber is under load during use. Chambers nest within one another to form a stack of chambers for transport or storage. Chambers have peak corrugations which are substantially wider than the intervening valley corrugations. Chambers having different widths and profiles have common size connectors.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: March 29, 2011
    Assignee: Infiltrator Systems, Inc.
    Inventors: Roy E. Moore, Jr., Bryan A. Coppes, Dennis F. Hallahan, Christopher R. Cardillo
  • Leaching chamber having pillars and wide peak corrugations
    Publication number: 20110020065
    Abstract: A plastic leaching chamber has an arch shape cross section, corrugations, and one or more hollow pillars extending downwardly within the interior of the chamber, to support the top of the chamber when the chamber is under load during use. Chambers nest within one another to form a stack of chambers for transport or storage. Chambers have peak corrugations which are substantially wider than the intervening valley corrugations. Chambers having different widths and profiles have common size connectors.
    Type: Application
    Filed: June 28, 2010
    Publication date: January 27, 2011
    Applicant: Infiltrator Systems, Inc.
    Inventors: Roy E. Moore, JR., Bryan A. Coppes, Dennis F. Hallahan, Christopher R. Cardillo
  • Corrugated Leaching Chamber with Hollow Pillar Supports
    Publication number: 20100329787
    Abstract: A plastic leaching chamber has an arch shape cross section, corrugations, and one or more hollow pillars extending downwardly within the interior of the chamber, to support the top of the chamber when the chamber is under load during use. Chambers nest within one another to form a stack of chambers for transport or storage. Chambers have peak corrugations which are substantially wider than the intervening valley corrugations. Chambers having different widths and profiles have common size connectors.
    Type: Application
    Filed: June 25, 2010
    Publication date: December 30, 2010
    Applicant: Infiltrator Systems, Inc.
    Inventors: Roy Moore, JR., Bryan A. Coppes, Dennis F. Hallahan, Christopher R. Cardillo
  • Leaching chamber with drain holes in base flange
    Patent number: 7611306
    Abstract: A molded plastic arch shape cross section corrugated leaching chamber has opposing perforated sidewalls running up from feet. Each foot comprises a horizontal flange, an outer-edge fin, and transverse ribs, which define compartments on the flange surface. Drain holes through the flange within each compartment enable water from nearby sidewall perforations to flow downwardly into the soil during use.
    Type: Grant
    Filed: December 20, 2004
    Date of Patent: November 3, 2009
    Assignee: Infiltrator Systems
    Inventors: Dennis F Hallahan, Ronald P. Brochu, James J. Burnes
  • Radial flow septic tank
    Patent number: 6814863
    Abstract: A radial flow septic tank includes: a main body having a wall and a floor defining a cavity; an inlet disposed at approximately a center of the cavity; an outlet having a collection device disposed around an inside perimeter of the wall of the main body; and a column disposed within the cavity at approximately the center of the main body, the column having openings to allow the flow to move from the inlet to the outlet.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: November 9, 2004
    Inventors: Dennis F. Hallahan, Stephen P. Dix
  • Radial flow septic tank
    Publication number: 20040016695
    Abstract: A radial flow septic tank includes: a main body having a wall and a floor defining a cavity; an inlet disposed at approximately a center of the cavity; an outlet having a collection device disposed around an inside perimeter of the wall of the main body; and a column disposed within the cavity at approximately the center of the main body, the column having openings to allow the flow to move from the inlet to the outlet.
    Type: Application
    Filed: July 26, 2002
    Publication date: January 29, 2004
    Inventors: Dennis F. Hallahan, Stephen P. Dix