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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US460798513 May 198526 Ago 1986Taizo Nozawa
Katsumasa Machii
Block construction for preventing outflow of ballasts
US49938728 Ago 198919 Feb 1991Con/Span Culvert Systems, Inc.Precast concrete culvert system
US506616919 Feb 199119 Nov 1991Retaining wall system
US55689993 Abr 199529 Oct 1996The Tensar CorporationRetaining wall block system
US58510884 Ago 199722 Dic 1998The Tensar CorporationModular retaining wall block system including wall blocks having replaceable dual purpose facing panels and removable spacing tabs
US621368912 Abr 200010 Abr 2001Tokusuke Co., Ltd.Construction unit for a retaining wall and a method for constructing the retaining wall
US699140217 Oct 200231 Ene 2006StormTrap LLCMethods and modules for an underground assembly for storm water retention or detention
US716005821 Oct 20059 Ene 2007StormTrap LLCMethods and module for an underground assembly for storm water retention or detention
US73443357 Dic 200618 Mar 2008StormTrap LLCMethods and modules for an underground assembly for storm water retention or detention
USD6178675 Mar 200915 Jun 2010StormTrap LLCModule for an underground assembly for storm water retention or detention

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