|
| US4202153 | 25 Oct 1977 | 13 May 1980 | Automated Packaging Systems, Inc. | Method and apparatus for loading containers horizontally |
| US4250694 | 6 Jun 1979 | 17 Feb 1981 | | Arrangement for opening plastic bags in automatic packaging machines |
| US4519504 | 11 Sep 1984 | 28 May 1985 | Union Carbide Corporation | Wicket bag packet |
| US4541226 | 29 Dic 1982 | 17 Sep 1985 | Union Carbide Corporation | Packaging method and apparatus |
| US4635295 | 18 Sep 1984 | 6 Ene 1987 | W. R. Grace & Co., Cryovac Div. | Taped bag with extended side seals |
| US4671048 | 9 Jun 1986 | 9 Jun 1987 | Automated Machinery Systems, Inc. | High speed, low vibration bread bagger |
| US5526631 | 26 Oct 1994 | 18 Jun 1996 | Kabushiki Kaisha Muraharu Seisakusho Niikura Scales Co., Ltd. Kabushiki Kaisha Yakul't Honsha | Storage device for umbrella sacks |
| US5551219 | 24 Oct 1995 | 3 Sep 1996 | | Package bag expanding device |
| US5655352 | 7 Nov 1994 | 12 Ago 1997 | Kabushiki Kaisha Muraharu Seisakusho Nikura Scales Co., Ltd. Kabushiki Kaisha Yakult Honsha | Storage device for wrapping (shopping) bags |
| US5657619 | 8 Ago 1995 | 19 Ago 1997 | Daito Sound Co., Ltd. | Umbrella sack fitting device |
| US5810706 | 31 Ago 1995 | 22 Sep 1998 | W. R. Grace & Co.-Conn. | bag with an access hole in one panel |
| US6148587 | 16 Jul 1998 | 21 Nov 2000 | Cryovac, Inc. | Bag with an access hole in one panel |
| US6588666 | 18 Dic 2001 | 8 Jul 2003 | | Apparatus for opening and dispensing plastic bags |