Patents by Inventor Phillip R. Rutledge

Phillip R. Rutledge 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).

  • Load bearing adjustable roof curb and method of use
    Patent number: 6343439
    Abstract: A method and an adjustable roof curb are provided that enables the mounting of an appliance onto a roof of a building. More specifically, the adjustable pitch roof curb includes a base curb section, a support curb section and at least one pin operating as a fulcrum to adjustably position the support curb section to a desired pitch relative to a pitch of the base curb section, and further operating to effectively bear a load of the appliance (e.g., fan, air conditioner) mounted on the support curb section.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: February 5, 2002
    Assignee: Ro&dgr;ftop Systems, Inc.
    Inventor: Phillip R. Rutledge
  • Air handling system
    Patent number: 5548970
    Abstract: Air handling system including a heat recovery means including blowers and dampers for controlling air flow and a desiccant wheel movable into and out of the air stream to selectively recover heat from exhaust air and transfer it to outside air. The air handlling system may also include an air conditioning system and an economizer inclulding dampers to control recirculated air and inlet and exhaust air.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: August 27, 1996
    Assignee: NRG Industries Inc.
    Inventors: Robert A. Cunningham, Jr., Phillip R. Rutledge
  • Roof mounting curb
    Patent number: 5148647
    Abstract: A roof mounting curb which may have its sides formed with hinge ears and hinge pin inserted into the ears to secure the curb sides to each other. Slots are provided in the curb sides and may be provided in the duct supports to position the duct supports.
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: September 22, 1992
    Assignee: Rooftop Systems Inc.
    Inventor: Phillip R. Rutledge