Patents by Inventor Robert Issagholian-Havai

Robert Issagholian-Havai 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).

  • Vane assembly for HVAC duct systems
    Patent number: 7594518
    Abstract: A vane system is provided for use in a corner of a HVAC duct system. The vane system utilizes a plurality of unitary vanes each including ribs and each including interlocking runners that improve the structural integrity of the vane system.
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: September 29, 2009
    Inventor: Robert Issagholian-Havai
  • Method and apparatus for fabricating arcuate sheet metal components for HVAC duct systems
    Patent number: 7493685
    Abstract: A method and apparatus for fabricating arcuate sheet metal components for HVAC duct systems passes an elongate straight preformed strip of metal between a pair of rollers to deform the strip to form arcuate sheet metal duct components.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: February 24, 2009
    Inventor: Robert Issagholian-Havai
  • Vane assembly for HVAC duct systems
    Publication number: 20060199502
    Abstract: A vane system is provided for use in a corner of a HVAC duct system. The vane system utilizes a plurality of unitary vanes each including ribs and each including interlocking runners that improve the structural integrity of the vane system.
    Type: Application
    Filed: December 29, 2004
    Publication date: September 7, 2006
    Inventor: Robert Issagholian-Havai
  • Method and apparatus for fabricating arcuate sheet metal components for HVAC duct systems
    Publication number: 20060090339
    Abstract: A method and apparatus for fabricating arcuate sheet metal components for HVAC duct systems passes an elongate straight preformed strip of metal between a pair of rollers to deform the strip to form arcuate sheet metal duct components.
    Type: Application
    Filed: October 29, 2004
    Publication date: May 4, 2006
    Inventor: Robert Issagholian-Havai
  • Interactive sealing system for arcuate ducts including seal compressed and actuated by adjacent expanding seal
    Patent number: 6866308
    Abstract: A system for sealing one end of a first air duct with an adjacent overlapping end of a second air duct incorporates multiple sealing components. One of the sealing components interacts and activates another of the sealing components. One of the sealing components mechanically compressively elastically deforms another of the sealing components.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: March 15, 2005
    Inventor: Robert Issagholian-Havai
  • Interactive sealing system for arcuate ducts including seal compressed and actuated by adjacent expanding seal
    Publication number: 20040250403
    Abstract: A system for sealing one end of a first air duct with an adjacent overlapping end of a second air duct incorporates multiple sealing components. One of the sealing components interacts and activates another of the sealing components. One of the sealing components mechanically compressively elastically deforms another of the sealing components.
    Type: Application
    Filed: June 12, 2003
    Publication date: December 16, 2004
    Inventor: Robert Issagholian-Havai
  • Method and apparatus for producing end flange member for cylindrical duct
    Patent number: 6643930
    Abstract: A method for producing a cylindrical flange for the end of an air duct is produced by compressing a panel by differing amounts to cause the panel to take on an arcuate cylindrical shape.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: November 11, 2003
    Inventor: Robert Issagholian-Havai
  • Angle plate fastening method and apparatus for air duct flange connectors
    Patent number: 6561553
    Abstract: A method and apparatus secure together a pair of opposing angle plates which are each mounted on one of an opposing pair of flange connectors that are each attached to the end of a different one of the opposing ends of a pair of sheet metal ducts. The apparatus includes a pair of interfitting members that include a cam surface to interlock the members to compress together the opposing pair of flange connectors.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: May 13, 2003
    Inventor: Robert Issagholian-Havai
  • Method and apparatus for producing end flange member for cylindrical duct
    Publication number: 20030025332
    Abstract: A cylindrical flange for the end of an air duct is produced by compressing a panel by differing amounts to cause the panel to take on an arcuate cylindrical shape.
    Type: Application
    Filed: August 2, 2001
    Publication date: February 6, 2003
    Inventor: Robert Issagholian-Havai
  • Method and apparatus for stacking ankle plates to permit free, sliding, lateral displacement of plates
    Patent number: 6428056
    Abstract: A method and apparatus shapes and dimensions the flanges of angle plates to ensure that the plates can be stacked without nesting.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: August 6, 2002
    Inventor: Robert Issagholian-Havai
  • Tool for installing clip on duct flanges
    Patent number: 5794322
    Abstract: A tool for clipping together a pair of flange connectors includes a handle and a clipping member. The clipping member is shaped and dimensioned to force a U-shaped clip over the flange connectors to secure the connectors together.
    Type: Grant
    Filed: August 28, 1995
    Date of Patent: August 18, 1998
    Inventor: Robert Issagholian-Havai
  • Apparatus for connecting oval duct sections
    Patent number: 5378028
    Abstract: A flange connection for oval shaped air conditioning ducts readily adapts to ducts of differing shape and dimension. The flange is unitary and simultaneously attaches to the ends of two adjacent ducts.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: January 3, 1995
    Assignee: MEZ Industries, Inc.
    Inventors: Robert Issagholian-Havai, George J. Ohandjanian
  • Flange connector for air duct with detent adjacent sealing material
    Patent number: 5352000
    Abstract: A flange connection for an air conditioning duct comprises a generally L-shaped hollow flange having a pair of opposing spaced apart stay members which form multiple mechanical and adhesive seals to tightly secure the wall of an air conditioning duct in the flange.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: October 4, 1994
    Assignee: Mez Industries, Inc.
    Inventors: Robert Issagholian-Havai, George J. Ohandjanian