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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US406383527 Ene 197720 Dic 1977E-Z Rect-Metal Products Ltd.Frame construction
US40730983 Nov 197514 Feb 1978Paddock Industries, Inc.Roofing system for large-area building structures
US434769023 Mar 19817 Sep 1982Skeletal framework structure and junction for use therein
US456384225 Nov 198314 Ene 1986Pole-type structure and method of constructing same
US558196116 Dic 199310 Dic 1996Portal frame system
US56009241 Mar 199511 Feb 1997Steel frame building
US59503748 Mar 199614 Sep 1999Leftminster Pty Ltd.Prefabricated building systems
US627279630 Dic 199914 Ago 2001Mortise and tenon joint for post and beam I-beams composed of fiber reinforced pultruded polymer composite
US646029721 Dic 19998 Oct 2002Inter-Steel Structures, Inc.Modular building frame
US761072423 Jun 20043 Nov 2009Rubbermaid IncorporatedShed roof truss adapted for storing long handle tools
US786611231 Oct 200611 Ene 2011Slotted metal truss and joist with supplemental flanges