|
| US4426401 | 16 Dic 1981 | 17 Ene 1984 | Internationale Octrooi Maatschappij "Octropa" B.V. | Food process |
| US4806371 | 10 Nov 1986 | 21 Feb 1989 | Packageing Concepts, Inc. | Microwavable package for packaging combination of products and ingredients |
| US4874620 | 15 Sep 1988 | 17 Oct 1989 | Packaging Concepts, Inc. | Microwavable package incorporating controlled venting |
| US5061500 | 11 May 1989 | 29 Oct 1991 | Packaging Concepts, Inc. | Easy opening microwavable package |
| US5075119 | 9 Jul 1990 | 24 Dic 1991 | Packaging Concepts, Inc. | Microwavable package for packaging combination of products and ingredients |
| US5307985 | 4 Dic 1992 | 3 May 1994 | Societe de Constructions de Materiel Metallique et Electrique | Container and process for its manufacture |
| US5351828 | 8 Sep 1993 | 4 Oct 1994 | | Inflatable foil sachet, especially for packaging purposes |
| US5419638 | 6 May 1993 | 30 May 1995 | | Pressure sensitive gas valve for flexible pouch |
| US5492705 | 19 Oct 1994 | 20 Feb 1996 | Dowbrands L.P. | Vegetable containing storage bag and method for storing same |
| US5686127 | 6 Jun 1995 | 11 Nov 1997 | W. R. Grace & Co.-Conn. | Dual web package having improved gaseous exchange |
| US5701996 | 3 Mar 1997 | 30 Dic 1997 | Idemitsu Petrochemical Co., Ltd. | Snap-fastener bag |
| US5839832 | 7 May 1997 | 24 Nov 1998 | Packs Co. Ltd. | Wrapping device |
| US5894929 | 23 Jun 1997 | 20 Abr 1999 | Yugenkaisha Kusaka Raremetal Kenkyusho | Vacuum packaging bag and vacuum packaging method |
| US6005234 | 30 Jul 1998 | 21 Dic 1999 | Weaver Popcorn Company | Microwave popcorn bag with cross mitre arrangement |
| US6137098 | 28 Sep 1998 | 24 Oct 2000 | Weaver Popcorn Company, Inc. Miami Packaging Incorporated | Microwave popcorn bag with continuous susceptor arrangement |
| US6149304 | 9 May 1997 | 21 Nov 2000 | The Procter & Gamble Company | Flexible storage bag with selectively-activatible closure |
| US6357915 | 25 Jun 2001 | 19 Mar 2002 | New West Products, Inc. | Storage bag with one-way air valve |
| US6372273 | 30 Jun 1997 | 16 Abr 2002 | Cryovac, Inc. | Dual web package having improved gaseous exchange |
| US6729473 | 20 Jun 2002 | 4 May 2004 | CTI Industries Corporation | Air-evacuable bag with double-layered valve film and method for manufacturing same |
| US7387270 | 14 Jul 2005 | 17 Jun 2008 | Michilin Prosperity Co., Ltd. | Lubricating pack having venting holes and specifically designed for paper shredders |
| US7793876 | 7 May 2008 | 14 Sep 2010 | Michilin Prosperity Co., Ltd. | Lubricating pack having venting holes and specifically designed for paper shredders |
| US7938580 | 7 Dic 2005 | 10 May 2011 | Perfecseal, Inc. | Sterilizable package with a high barrier to oxygen |