Patents by Inventor Michael O. H. Herzfeld

Michael O. H. Herzfeld 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: 4272939
    Abstract: A jointing construction for laminated panels of the type having a core lamination of heat insulating material and facing sheet laminations bonded to opposed sides of the core, the jointing construction being characterized in that each panel is formed such that at least one side edge portion of one facing sheet extends beyond the core lamination to define a projection, the or each opposed side edge portion of said facing sheet having an engaging member associated therewith a pair of said panels in use being intended to be disposed adjacent each other such that the projection of one panel is engaged by the engaging member of the other panel, and sealing means being provided between said projection of one panel and the adjacent side edge portion of the corresponding facing sheet of the other panel.
    Type: Grant
    Filed: December 7, 1978
    Date of Patent: June 16, 1981
    Assignee: Producer Manufacturers Pty. Ltd.
    Inventor: Michael O. H. Herzfeld
  • Patent number: 4246735
    Abstract: A jointing construction for laminated panels of the type having a core lamination of heat insulating material and facing sheet laminations bonded to opposed sides of the core, said joint construction comprising at least one pair of flanges each of which is defined by turning one of a pair of opposed edge portions of one facing sheet outwardly substantially perpendicular to the plane of said sheet, the jointing construction being intended to join a pair of said panels disposed in use such that one flange of one panel is adjacent one flange of the other panel, a joint cap adapted to engage said adjacent flanges, said joint cap including a bridging portion and a pair of spaced side portions each depending from said bridging portion, one side portion of the joint cap being intended to locate adjacent each flange on the side thereof adjacent the inner portion of the panel on which the respective flange is formed, each said side portion being substantially parallel to its adjacent flange, and a water seal fitted be
    Type: Grant
    Filed: December 7, 1978
    Date of Patent: January 27, 1981
    Assignee: Producer Manufacturers Pty. Ltd.
    Inventor: Michael O. H. Herzfeld