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| US4634006 | 3 Dic 1984 | 6 Ene 1987 | | Bag for mothers milk |
| US4672688 | 25 Jun 1985 | 9 Jun 1987 | Wrightcel Limited | Flexible container with internal filling chute |
| US4822180 | 16 Dic 1987 | 18 Abr 1989 | Lindknud Plast A/S | Foil bag |
| US4988016 | 30 Ene 1989 | 29 Ene 1991 | James P. Hawkins | Self-sealing container |
| US5527012 | 10 Feb 1994 | 18 Jun 1996 | Schur Consumer Products A/S | Freezing mould bag, especially for freezing ice lumps |
| US6322044 | 8 Jun 2000 | 27 Nov 2001 | Unigreen International A/S | Ice cube bag and method of producing ice cube bags |
| US7708464 | 2 Sep 2005 | 4 May 2010 | Mikio Tanaka | Deaeration valve and compression bag equipped therewith |
