Patents by Inventor David Barnhart

David Barnhart 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: 20090274542
    Abstract: An automotive vehicle having a power-actuated ramp including a vehicle body having a roof, front portion and a rear portion. The vehicle body further includes opposed side portions and a floor that cooperate with the roof, front portion and rear portion to define a passenger area. The vehicle body further includes at least one door to provide boarding and alighting relative to the passenger area. The automotive vehicle further includes a ramp cartridge operatively supported relative to the vehicle's floor. The ramp cartridge includes a frame assembly having a main deck and a ramp assembly having a ramp that is adapted to be retained in a stored position below the main deck. The ramp cartridge further includes a drive assembly adapted to actuate the ramp between a stored position and a first ramp position and between the stored position and a second ramp position.
    Type: Application
    Filed: April 19, 2009
    Publication date: November 5, 2009
    Inventors: Michael A. Pocobello, David Barnhart
  • Publication number: 20060058023
    Abstract: In one embodiment, an educational non-flight capable satellite is described comprising a plurality of modular subsystems that are adapted to be coupled together via standardized bus connectors and standard mechanical connectors. The educational satellite is fully functional and can be utilized for teaching satellite engineering and operation at high school through college level courses.
    Type: Application
    Filed: September 14, 2004
    Publication date: March 16, 2006
    Inventors: James White, Timothy White, David Barnhart, John Clark, Jerry Sellers, Carl Enloe
  • Patent number: 4336749
    Abstract: A fan housing assembly includes a fan and an air permeable, decorative grill mounted on a U-shaped bracket in a housing and two rotatably mounted, semi-circular damper plates in said housing, said plates being movable by air blown by said fan between a normal horizontal position blocking the air discharge opening of said housing and a vertical position not blocking said opening; and a mounting device for said housing, said mounting device being rigidly affixed to a support member and being adapted to extend through an opening in the wall of said housing for engagement with and support of said housing.
    Type: Grant
    Filed: April 18, 1979
    Date of Patent: June 29, 1982
    Assignee: The Celotex Corporation
    Inventors: David A. Barnhart, John E. Kroger, David A. Walters
  • Patent number: 4266528
    Abstract: A range hood for an enclosure, which may be either ducted or ductless, comprises a hood having an inner compartment, said inner compartment having an air inlet aperture and first and second air outlet apertures; a blower means disposed within said hood and adapted to draw air from said enclosure through said air inlet aperture into said inner compartment and to discharge the air from said inner compartment through said outlet apertures; a damper member mounted for movement between a first position blocking said first outlet aperture, sand a second position not blocking said first outlet aperture, said damper member being normally biased to said first, blocking position; a first means for selectively locking or unlocking said damper member in said first position; and a second means for selectively opening or closing said second outlet aperture, such that, when said second outlet aperture is open and said damper member is locked in said first position, the air drawn into said inner compartment by said blower me
    Type: Grant
    Filed: December 13, 1978
    Date of Patent: May 12, 1981
    Assignee: The Celotex Corporation
    Inventors: David A. Barnhart, Ronald L. Britt, John E. Kroger, David A. Walters
  • Patent number: 4073597
    Abstract: A fan housing assembly for an exhaust fan is provided with an orifice pan which can be securely but removably snapped in place to close an open face of the fan housing and provide a means of supporting a ventilating grille.
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: February 14, 1978
    Assignee: The Celotex Corporation
    Inventors: David A. Barnhart, Gordy E. Loftin