|
| US3948705 | 18 Oct 1974 | 6 Abr 1976 | | Method for making multiple plastic bags with reclosable fasteners thereon |
| US3991801 | 23 Jun 1975 | 16 Nov 1976 | | Plastic fasteners with connecting web |
| US4246288 | 9 Ago 1979 | 20 Ene 1981 | W. R. Grace & Co. | Reclosable package |
| US4419159 | 12 Oct 1982 | 6 Dic 1983 | Mobil Oil Corporation | Manufacture of plastic bags with interlocking profile extrusions |
| US4428788 | 14 May 1982 | 31 Ene 1984 | Union Carbide Corporation | Film-tape-closure device slot cast integrated interlocking structure and extrusion method |
| US4519095 | 9 Dic 1983 | 21 May 1985 | Mobil Oil Corporation | Adhesive channel closure for flexible bags |
| US4589145 | 31 Oct 1983 | 13 May 1986 | Signode Corporation | Packaging material and package |
| US4603434 | 17 Jul 1984 | 29 Jul 1986 | Mobil Oil Corporation | Ripple lock closure for flexible bags |
| US4615045 | 1 Nov 1984 | 30 Sep 1986 | Minigrip, Inc. | Pilfer proof hangup bag structure and method |
| US4618383 | 5 Mar 1985 | 21 Oct 1986 | Mobil Oil Corporation | Method and apparatus for the manufacture of plastic bags having interlocking profile extrusions |
| US4663915 | 3 Mar 1986 | 12 May 1987 | Signode Corporation | Method of packaging and apparatus |
| US4665557 | 22 Jul 1986 | 12 May 1987 | First Brands Corporation | Multiple omega closures |
| US4741789 | 20 Oct 1986 | 3 May 1988 | The Dow Chemical Company | Apparatus and process for forming and applying a profile and adjacent rib-type zipper to a traveling film web |
| US4755248 | 30 Dic 1986 | 5 Jul 1988 | The Dow Chemical Company | Slot-cast intergrated interlocking film closure structure |
| US4787754 | 1 Mar 1988 | 29 Nov 1988 | Mobil Oil Corporation | Reclosable flexible bags having fastener profiles attached to exterior walls thereof and a method of making same |
| US4795269 | 30 Jun 1983 | 3 Ene 1989 | First Brands Corporation | Controlled separation characteristics of interlocking closure fastening devices |
| US4846585 | 29 Ene 1988 | 11 Jul 1989 | Minigrip, Inc. | Easy open bag structure |
| US4903841 | 16 Nov 1988 | 27 Feb 1990 | Kabushiki Kaisha Hosokawa Yoko | Pouch with superposed tear lines |
| US4923309 | 27 Feb 1989 | 8 May 1990 | Illinois Tool Works | Tamper-evident package |
| US4927271 | 12 Dic 1988 | 22 May 1990 | KCL Corporation | Recloseable tamper evident bag with hooded closure |
| US4939819 | 28 Jun 1989 | 10 Jul 1990 | The Bentley-Harris Manufacturing Company | Wraparound closure device |
| US4966470 | 24 Feb 1989 | 30 Oct 1990 | Oscar Mayer Foods Corporation | Tamper-evident, reclosable, flexible packages |
| US4971454 | 16 Nov 1989 | 20 Nov 1990 | KCL Corporation | Reclosable bag having a top closure attached to a bag body composed of multiple thermoplastic layers |
| US5052387 | 1 Jun 1990 | 1 Oct 1991 | | Cold pack for wrapping injured limbs and method of making |
| US5067822 | 24 Abr 1989 | 26 Nov 1991 | Reynolds Consumer Products, Inc. | Method of forming recloseable packages, profiles used therein, and packages produced thereby |
| US5085031 | 15 Feb 1990 | 4 Feb 1992 | Zip-Pak Incorporated | Transverse zipper application for horizontal form, fill and seal machine |
| US5092684 | 4 Mar 1991 | 3 Mar 1992 | Illinois Tool Works Inc. | Post-applied zipper base with grip strip |
| US5100246 | 9 Oct 1990 | 31 Mar 1992 | Illinois Tool Works Inc. | Pull bead and guide rails for easy open flexible containers |
| US5121997 | 3 May 1991 | 16 Jun 1992 | Illinois Tool Words Inc. | Perforated tear strip for easy-open flexible containers |
| US5186543 | 19 May 1992 | 16 Feb 1993 | Illinois Tool Works Inc. | Tear-open bag having guide strips |
| US5198055 | 8 Nov 1991 | 30 Mar 1993 | Reynolds Consumer Products, Inc. | Method of forming recloseable packages, profiles used therein, and packages produced thereby |
| US5224779 | 20 Mar 1992 | 6 Jul 1993 | Oscar Mayer Foods Corporation | Tamper-evident, reclosable flexible packages |
| US5238306 | 19 May 1989 | 24 Ago 1993 | Reynolds Consumer Products, Inc. | Method of producing a sealing system for a reclosable webbed-wall package, and system made |
| US5248201 | 24 Feb 1992 | 28 Sep 1993 | Reynolds Consumer Products Inc. | Interlocking closure for plastic storage bags with confirming color strips |
| US5356222 | 12 May 1993 | 18 Oct 1994 | Reynolds Consumer Products Inc. | Interlocking closure for plastic storage bags with confirming color stripes |
| US5366294 | 2 Dic 1993 | 22 Nov 1994 | Reynolds Consumer Products, Inc. | Recloseable package having recloseable profile strips with a heat barrier |
| US5397182 | 13 Oct 1993 | 14 Mar 1995 | Reynolds Consumer Products Inc. | Write-on profile strips for recloseable plastic storage bags |
| US5660479 | 16 Feb 1996 | 26 Ago 1997 | Reynolds Consumer Products Inc. | Easy open package header |
| US5713669 | 5 Dic 1996 | 3 Feb 1998 | Tenneco Packaging | Plastic bag with zipper slider captured in pocket |
| US5924795 | 2 Jul 1993 | 20 Jul 1999 | Kraft Foods, Inc. | Tamper-evident, reclosable, flexible packages |
| US6071011 | 12 Ago 1999 | 6 Jun 2000 | Tenneco Packaging, Inc. | Fill-through-the-top package |
| US6148588 | 17 Dic 1999 | 21 Nov 2000 | Pactiv Corporation | Fill-through-the-top package and method and apparatus for making the same |
| US6149302 | 13 Sep 1999 | 21 Nov 2000 | | Plastic bag with tamper-evident closure |
| US6217216 | 21 Oct 1999 | 17 Abr 2001 | | Reclosable plastic bag with non-perforated tear zone |
| US6257763 | 4 Jun 1998 | 10 Jul 2001 | Huntsman KCL Corporation | Tamper evident zipper slider |
| US6279298 | 21 Oct 1999 | 28 Ago 2001 | Pactiv Corporation | Fill-through-the-top package and method and apparatus for making the same |
| US6286999 | 11 May 1999 | 11 Sep 2001 | Pactiv Corporation | Tamper-evident reclosable bag |
| US6345911 | 6 Jun 2000 | 12 Feb 2002 | American Innotek, Inc. | Lock top canister bag and method of manufacture |
| US6360513 | 1 Nov 1999 | 26 Mar 2002 | Sargento Foods Inc. | Resealable bag for filling with food product(s) and method |
| US6419391 | 17 May 2001 | 16 Jul 2002 | Pactiv Corporation | Reclosable bags having a tamper evident stepped member |
| US6439770 | 17 May 2001 | 27 Ago 2002 | Pactiv Corporation | Reclosable bags having a tamper-evident retaining member extending through a slider |
| US6460238 | 24 Jul 2001 | 8 Oct 2002 | Pactiv Corporation | Plastic bag slider and end termination installation assembly and method |
| US6550965 | 24 Ene 2001 | 22 Abr 2003 | Aeroquip Corporation | Reclosable plastic bag and method for forming |
| US6562165 | 15 Ago 2000 | 13 May 2003 | S.C. Johnson Home Storage, Inc. | Method for laminating closure member to film web |
| US6575625 | 27 Jul 2001 | 10 Jun 2003 | Pactiv Corporation | Reclosable bags having a removable member encapsulating a slider |
| US6659643 | 4 Feb 2002 | 9 Dic 2003 | Illinois Tool Works Inc. | Barrier arrangements for plastic bags |
| US6663283 | 18 May 2001 | 16 Dic 2003 | Pactiv Corporation | Reclosable bags having a tamper-evident member extending over a zipper proximate to a slider |
| US6712509 | 21 Mar 2002 | 30 Mar 2004 | Pactiv Corporation | Reclosable bag having tamper-evident member attached to body panels along a line of weakness located below the rib and groove profiles of the bag zipper |
| US6910806 | 20 Nov 2002 | 28 Jun 2005 | Sargento Foods, Inc. | Resealable bag for filling with food product(S) and method |
| US6913387 | 20 Nov 2002 | 5 Jul 2005 | Sargento Foods, Inc. | Resealable bag for filling with food product (s) and method |
| US6954970 | 11 Mar 2002 | 18 Oct 2005 | Illinois Tool Works Inc. | Insertion apparatus for attaching sliders onto zipper bags and film |
| US6957914 | 12 Jun 2002 | 25 Oct 2005 | Illinois Tool Works Inc. | Pouch multipackage |
| US6962439 | 8 Mar 2002 | 8 Nov 2005 | The BagCo, Inc. | Leak resistant tamper evident reclosable plastic bag |
| US6979289 | 9 Sep 2003 | 27 Dic 2005 | Illinois Tool Works Inc. | Insertion apparatus for attaching sliders onto zipper bags and film |
| US7008106 | 7 Nov 2002 | 7 Mar 2006 | Pactiv Corporation | Reclosable bag having tamper-evident member removable from the bag along a line of weakness located below the bag zipper |
| US7040808 | 9 Jun 2003 | 9 May 2006 | Pactiv Corporation | Reclosable bags with tamper evident features and methods of making the same |
| US7052181 | 11 Jun 2003 | 30 May 2006 | S.C. Johnson Home Storage, Inc. | Zippered bag having a pair of fastener strips |
| US7086782 | 20 Nov 2002 | 8 Ago 2006 | Sargento Foods, Inc. | Resealable bag for filling with food products and method |
| US7090904 | 3 Jun 2004 | 15 Ago 2006 | Exopack, L.L.C. | Enhanced slider zipper multiwall bag and associated methods |
| US7165887 | 20 Nov 2002 | 23 Ene 2007 | Sargento Foods, Inc. | Resealable bag for filling with food product(s) and method |
| US7254873 | 26 Ago 2002 | 14 Ago 2007 | Illinois Tool Works, Inc. | Scored tamper evident fastener tape |
| US7316641 | 15 Mar 2006 | 8 Ene 2008 | Pactiv Corporation | Reclosable bags with tamper evident features and methods of making the same |
| US7320545 | 20 Nov 2002 | 22 Ene 2008 | Sargento Foods Inc. | Resealable bag for filling with food product (s) and method |
| US7437805 | 23 Jun 2006 | 21 Oct 2008 | Edward Alan Berich | Reclosable storage bag closure with internal valving |
| US7494333 | 4 Jun 2004 | 24 Feb 2009 | S.C. Johnson Home Storage, Inc. | Apparatus for forming multiple closure elements |
| US8070359 | 10 Jul 2007 | 6 Dic 2011 | Thunderbird Global Enterprises, LLC | Plastic bag with pour spout and reinforced bottom end |
| US8176602 | 24 May 2011 | 15 May 2012 | | Reclosable storage bag closure with internal valving |
| USRE39505 | 25 Ago 2003 | 13 Mar 2007 | Pactiv Corporation | Fill-through-the-top package and method and apparatus for making the same |
| USRE40284 | 1 Nov 2006 | 6 May 2008 | Pactiv Corporation | Methods of making and filling a fill-through-the-top package |
