Patents by Inventor Allen C. Thomas

Allen C. Thomas 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: 7004832
    Abstract: A collapsible air vent closure is disclosed comprising a frame having a frame aperture. A closure is mounted to the frame for pivoting between a closed position and an open position. A movable vent wall having a vent orifice is interposed between the frame and the closure. The vent orifice provides an air flow path to the frame aperture when the closure is in the open position. The closure inhibits the air flow path to the frame aperture when the closure is in the closed position.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: February 28, 2006
    Inventor: Allen C. Thomas
  • Patent number: 5897435
    Abstract: An air vent device for a window comprising a first end section having a first end connector and a second end section having a second end connector. The second end section is a mirror image of the first end section. A central section has a plurality of louvered openings with a first end of the central section connecting with one of the first and second end connector. A second end of the central section has a central connector for connection with the other of the first and second end connector. The sections are affixed to the exterior surface of the structure to overlay a portion of the window for providing ventilation through the plurality of louvered openings for the structure when the window is partially opened and with the plurality of louvered openings providing protection from precipitation entering the structure through the partially opened window.
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: April 27, 1999
    Inventors: Allen C. Thomas, Warren J. Chandler
  • Patent number: 5672101
    Abstract: An improved solar operated ventilator cover is disclosed for covering an aperture disposed in a horizontal surface. The cover has sidewalls with a cover opening and a top surface with an internal wall extending between the sidewalls and the top wall. An orifice is defined in the internal wall for enabling the flow of air within the cover. An electric motor has a motor shaft with a fan blade positioned proximate the orifice. A photovoltaic cell is connected to the electric motor for rotating the fan blade proximate the orifice to establish the flow of air through the cover opening.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: September 30, 1997
    Inventor: Allen C. Thomas
  • Patent number: 5309972
    Abstract: An apparatus is disclosed for an improved device for covering an aperture disposed on a horizontal surface. The cover has sidewalls, a top surface, and a lip which defines a cover opening within a sidewall. The improvement comprises a first and a second guide rail extending from the cover and disposed on opposed first and second sides of the cover opening. A slot is defined in the cover and disposed along a third side of the cover opening. A frame defines a screened window and includes fastener projections which extend outwardly from the frame. The frame is inserted within the slot with a first and a second side of the frame being guided by the first and second opposed guide rails. The fastener projections engage the lip of the cover opening for retaining the frame and the screened window within the cover opening.
    Type: Grant
    Filed: June 22, 1993
    Date of Patent: May 10, 1994
    Inventor: Allen C. Thomas
  • Patent number: D463541
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: September 24, 2002
    Assignee: Maxxair Vent Corporation
    Inventor: Allen C. Thomas
  • Patent number: D289887
    Type: Grant
    Filed: December 19, 1984
    Date of Patent: May 19, 1987
    Inventor: Allen C. Thomas
  • Patent number: D495041
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: August 24, 2004
    Assignee: Maxxair Vent Corporation
    Inventor: Allen C. Thomas
  • Patent number: D320267
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: September 24, 1991
    Inventor: Allen C. Thomas
  • Patent number: D330415
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: October 20, 1992
    Inventor: Allen C. Thomas
  • Patent number: D629094
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: December 14, 2010
    Assignee: Maxxair Vent Corporation
    Inventor: Allen C. Thomas
  • Patent number: D376007
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: November 26, 1996
    Inventor: Allen C. Thomas
  • Patent number: D391632
    Type: Grant
    Filed: April 17, 1996
    Date of Patent: March 3, 1998
    Inventor: Allen C. Thomas
  • Patent number: D679796
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: April 9, 2013
    Assignee: Airxcel, Inc.
    Inventor: Allen C. Thomas