Patents by Inventor David M. Swan

David M. Swan 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).

  • Patent number: 6691427
    Abstract: A low pressure, low air volume system for heating and drying concrete walls in a damp environment is disclosed. A wall unit consisting of a wall panel having a plurality of vertical grooves and ridges formed in a back surface, the ridges in contact with a concrete wall surface and the grooves forming a plurality of air channels in contact with the surface of the wall, ducts heated air across the concrete surface of the wall, evaporating moisture migrating through the wall. An upper and lower plenum connect the air channels of the wall unit with a remote system consisting of a dehumidifier and discharge pump, heating element and fans for moving air through the system, the dehumidifier removing the moisture from the air before recirculating it through the system.
    Type: Grant
    Filed: January 16, 2003
    Date of Patent: February 17, 2004
    Inventors: John P. Fernandes, David M. Swan
  • Patent number: 6219803
    Abstract: A software development tool permits capture, modification and recording of transactional messages that are transmitted between a client and a server in a computer network. A proxy is employed to capture messages such as requests and responses that are in transit between the client and the server. The captured requests and responses can be displayed and modified before being retransmitted via the proxy. Further, transaction records can be selectively provided to at least one software application for analysis.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: April 17, 2001
    Assignee: Progress Software Corporation
    Inventors: Stephen R. Casella, Robert L. Bardani, Jr., David M. Swan