Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Búsqueda avanzada de patentes | Historial web | Iniciar sesión

Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US53699291 Feb 19946 Dic 1994Elk Corporation of DallasLaminated roofing shingle
US542690210 Jun 199127 Jun 1995CertainTeed CorporationComposite shingle having shading zones in different planes
US561118630 Nov 199418 Mar 1997Elk Corporation of DallasLaminated roofing shingle
US566001410 Feb 199526 Ago 1997CertainTeed CorporationComposite shingle having shading zones in different planes
US566677630 Ago 199516 Sep 1997Elk Corporation of DallasLaminated roofing shingle
US59015179 May 199711 May 1999CertainTeed CorporationComposite shingle having shading zones in different planes
US60388272 Dic 199821 Mar 2000Building Materials Corporation of AmericaTrilaminate roofing shingle
US604460829 May 19984 Abr 2000CertainTeed CorporationLaminated shingle
US619595117 Nov 19986 Mar 2001CertainTeed CorporationComposite shingle having shading zones in different planes
US622032917 Mar 199824 Abr 2001Tamko Roofin ProductsApparatus for making laminated roofing shingles
US630513818 Oct 200023 Oct 2001CertainTeed Corp.Composite shingle having shading zones in different planes
US645729029 Feb 20001 Oct 2002Owens Corning Fiberglas Technology, Inc.Shingle with a rendered shadow design
US652331623 Oct 200125 Feb 2003CertainTeedComposite shingle having shading zones in different planes
US654437418 Dic 20008 Abr 2003Tamko Roofing ProductsMethod for making laminated roofing shingles
US67084562 Ago 200223 Mar 2004Elk Premium Building Products, Inc.Roofing composite
US693303718 Sep 199723 Ago 2005Tamko Roofing ProductsTriple laminate roofing shingle
US69907792 Ago 200231 Ene 2006Elk Premium Building Products, Inc.Roofing system and roofing shingles
US751659328 Dic 200514 Abr 2009EPOCH Composite Products, Inc.Roofing shingle with a laying line
US75757013 Feb 200318 Ago 2009Shear Tech, Inc.Method of fabricating shake panels
US78366545 Ago 200523 Nov 2010Owens Corning Intellectual Capital, LLCShingle with reinforced nail zone and method of manufacturing
US788267711 Mar 20098 Feb 2011Tamko Building Products, Inc.Roofing shingle with a laying line
US80999231 Abr 201024 Ene 2012Tamko Building Products, Inc.Roofing shingle with a laying line
US815670428 Feb 201117 Abr 2012Owens-Corning Fiberglas Technology, Inc.Reducing humping of stacked roofing shingles
US818141330 Sep 201022 May 2012Owens Corning Intellectual Capital, LLCShingle with reinforced nail zone and method of manufacturing
US82401025 Ago 200614 Ago 2012Owens Corning Intellectual Capital, LLCShingle with reinforced nail zone and method of manufacturing
USD36942117 Mar 199530 Abr 1996Elk Corporation of DallasRandom cut laminated shingle

Dibujos