Patents by Inventor David E. Karr

David E. Karr 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: 20100043148
    Abstract: An air mattress having an internal support structure for stabilizing and resisting deformation of a sleep surface. The air mattress includes an air bladder defined by an upper sleep surface, a bottom surface, and an interconnecting side wall. A plurality of support columns interconnect the upper sleep surface to the bottom surface and segment an interior cavity of the air bladder into a plurality of air chambers for receiving air to support the upper sleep surface. A resilient member is carried within each of the air chambers to stabilize and resist deformation of the upper sleep surface resulting from changes in air pressure within the air bladder and from the shifting of weight on the upper sleep surface.
    Type: Application
    Filed: August 21, 2008
    Publication date: February 25, 2010
    Applicant: Comfortaire Corporation
    Inventors: Eric S. Rose, David E. Karr
  • Patent number: 6686711
    Abstract: A method and system for controlling the firmness of an inflatable air mattress wherein an air blower supplies pressurized air to the inflatable chamber(s) of the mattress through a port containing a valve in response to a target fullness selected by the user, the blower operation being controlled by a processor having an array of blower speeds included in a computer readable medium blower so that the speeds are selected in response to the target value.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: February 3, 2004
    Assignee: Comfortaire Corporation
    Inventors: Eric S. Rose, David E. Karr, Ronald D. Cranford
  • Publication number: 20020091467
    Abstract: A method and system for controlling the firmness of an inflatable air mattress wherein an air blower supplies pressurized air to the inflatable chamber(s) of the mattress through a port containing a valve in response to a target fullness selected by the user, the blower operation being controlled by a processor having an array of blower speeds included in a computer readable medium blower so that the speeds are selected in response to the target value.
    Type: Application
    Filed: November 15, 2001
    Publication date: July 11, 2002
    Inventors: Eric S. Rose, David E. Karr, Ronald D. Cranford