Patents by Inventor Albert L. Key

Albert L. Key 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).

  • Integrated tree root and storm water system
    Patent number: 9085887
    Abstract: A structural cell system is disclosed for supporting hardscape areas in a way that enables tree root growth and accommodates filtering, retention, storage and infiltration of storm water while preventing hardscape damage. The system includes a plurality of structural cells capable of being positioned below a hardscape. The structural cells are designed to have openings that are sized to accept tree roots. The system has one or more permeable barriers around the structural cells with a way for water to flow into the plurality of structural cells flow out of the structural cells.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: July 21, 2015
    Assignee: DeepRoot Green Infrastucture, LLC
    Inventors: James Urban, Albert L. Key, Charles Julian Ray, Charles Graham Ray, Michael James
  • Integrated tree root and storm water system
    Patent number: 9085886
    Abstract: A structural cell system is disclosed for supporting hardscape areas in a way that enables tree root growth and accommodates filtering, retention, storage and infiltration of storm water while preventing hardscape damage. The system includes a plurality of structural cells capable of being positioned below a hardscape. The structural cells are designed to have openings that are sized to accept tree roots. The system has one or more permeable barriers around the structural cells with a way for water to flow into the plurality of structural cells flow out of the structural cells.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: July 21, 2015
    Assignee: DeepRoot Green Infrastructure, LLC
    Inventors: James Urban, Albert L. Key, Charles Julian Ray, Charles Graham Ray, Michael James
  • Integrated tree root and storm water system
    Patent number: 7080480
    Abstract: A structural cell system is disclosed for supporting hardscape areas in a way that enables tree root growth and accommodates filtering, retention, storage and infiltration of storm water while preventing hardscape damage. The system includes a plurality of structural cells capable of being positioned below a hardscape. The structural cells are designed to have openings that are sized to accept tree roots. The system has one or more permeable barriers around the structural cells with a way for water to flow into the plurality of structural cells flow out of the structural cells.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: July 25, 2006
    Assignee: Urban Root L.L.C.
    Inventors: James Urban, Albert L. Key, Charles Julian Ray, Charles Graham Ray, Michael James