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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US41748049 May 197820 Nov 1979Windmoller & HolscherSymmetrical sack with double side folds
US453758621 Feb 198427 Ago 1985Willamette Industries, Inc.Method and apparatus for applying coupon strips to paper bags
US455044231 May 198429 Oct 1985Champion International CorporationMultiwall gussetted bag with seamless tubular liner
US481609325 Sep 198728 Mar 1989Separable laminate container
US494629127 Sep 19887 Ago 1990Semi-bulk with liner
US50450411 Dic 19893 Sep 1991SePro Healthcare Inc.Method of manufacturing a reusable fabric-covered heat-exchange bag
US528102726 May 199325 Ene 1994Bemis Company, Inc.Multiple ply bag with detachable inner seal pouch for packaging products
US552939610 Nov 199325 Jun 1996Union Camp CorporationEnvironmentally friendly pinch bottom bag assembly and method of making
US555394323 Dic 199410 Sep 1996Bemis Company, Inc.Multiple ply plastic lined bag with satchel bottom
US561825531 Mar 19958 Abr 1997Super Sack Mfg. Corp.Method for manufacturing a baffle liner
US56449007 Jun 19958 Jul 1997Stone Container CorporationMultiwall bag
US56478326 Feb 199515 Jul 1997Super Sack Mfg. Corp.Apparatus for manufacturing baffle liners
US564976721 Mar 199622 Jul 1997Super Sack Mfg. Corp.Baffle liner
US571851426 Jul 199617 Feb 1998Stone Container CorporationMultiwall bag
US63716432 Jun 199916 Abr 2002S. C. Johnson Home Storage, Inc.Multi-Layered freezer storage bag
US655096612 May 199722 Abr 2003S.C. Johnson Home Storage, Inc.Freezer storage bag
USRE345606 Ago 19928 Mar 1994Flexcon & Systems, Inc.Semi-bulk with liner