Patents by Inventor David L. Earl

David L. Earl 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).

  • Publication number: 20100042528
    Abstract: A computer implemented method and system for financing and reimbursement of infrastructure and improvements to real property. The method results in the reimbursement of certain costs of infrastructure and improvements made to the land. These improvements could include utilities, streets and drainage among others. Data received via a wide area network from a client and multiple databases is processed, automatically generating and delivering via e-mail protocol or website access, proposals and financial projections unique to that client. The data is further processed generating a covenant or similar instrument recorded in the real property records. The instrument creates a lien running with the land obligating future owners to pay assessments for set period of time and or total dollar amount.
    Type: Application
    Filed: August 14, 2009
    Publication date: February 18, 2010
    Inventors: Gregory A. Youngs, David L. Earl
  • Patent number: 6171507
    Abstract: A method and system for treating stormwater runoff containing impurities includes collecting the runoff in a basin and allowing the runoff to settle in the basin for a predetermined time before allowing the filtration step to be initiated. The time delay is controlled by a controller sensitive rain fall, turbidity, or other variables selected by the user. During the filtration step a separator member is positioned floatingly between a filter element and impurities floating on the surface of the unfiltered water.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: January 9, 2001
    Assignee: SWAF, Inc.
    Inventors: John R. Roy, David L. Earl, William L. Hamrick, Philip G. King
  • Patent number: 6077423
    Abstract: A method and system for treating stormwater runoff containing impurities includes collecting the runoff in a basin and allowing the runoff to settle in the basin for a predetermined time before allowing the filtration step to be initiated. The time delay is controlled by a controller sensitive to rain fall, turbidity, or other variables selected by the user. During the filtration step a separator member is positioned floatingly between a filter element and impurities floating on the surface of the unfiltered water.
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: June 20, 2000
    Assignee: SWAF, Inc.
    Inventors: John R. Roy, David L. Earl, William L. Hamrick, Philip G. King