Patents by Inventor David Brian Kroll

David Brian Kroll 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).

  • Elevated swale for treatment of contaminated stormwater
    Patent number: 8287728
    Abstract: An elevated swale comprising a porous and water-permeable interior zone, a permeable and compressible exterior shell, and vertically oriented cylindrical inserts. The exterior shell surrounds the interior zone, and the cylindrical inserts are placed within cylindrical cavities that are cut vertically into the interior zone. In an alternate embodiment, the present invention is an elevated swale comprising stacked layers of polymer matting and vertically oriented cylindrical inserts. The cylindrical inserts are placed within cylindrical cavities that are cut vertically into the stacked layers of polymer matting.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: October 16, 2012
    Assignee: Fountainhead L.L.C.
    Inventors: Bruce G. Kania, Frank M. Stewart, David Brian Kroll
  • ELEVATED SWALE FOR TREATMENT OF CONTAMINATED STORMWATER
    Publication number: 20100200480
    Abstract: An elevated swale comprising a porous and water-permeable interior zone, a permeable and compressible exterior shell, and vertically oriented cylindrical inserts. The exterior shell surrounds the interior zone, and the cylindrical inserts are placed within cylindrical cavities that are cut vertically into the interior zone. In an alternate embodiment, the present invention is an elevated swale comprising stacked layers of polymer matting and vertically oriented cylindrical inserts. The cylindrical inserts are placed within cylindrical cavities that are cut vertically into the stacked layers of polymer matting.
    Type: Application
    Filed: January 26, 2010
    Publication date: August 12, 2010
    Applicant: Fountainhead L.L.C.
    Inventors: Bruce G. Kania, Frank M. Stewart, David Brian Kroll