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1941-08-13 |
1954-01-14 |
Ernst Klein |
Ventilsack aus Papier
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1950-11-29 |
1957-01-22 |
Wilts United Dairies Ltd |
Method of producing airtight packages
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1951-09-13 |
1956-11-29 |
Arno Andreas |
Verfahren und Vorrichtung zum Verpacken und Verschicken von Massenguetern wie Zement, Kalk, Gips u. ae.
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(de)
*
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1952-12-17 |
1957-07-11 |
Bischof & Klein Papierverarbei |
Kreuzbodenventilsack oder Kreuzbodenventilbeutel aus Papier oder aus einem aehnlichen Werkstoff
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DE1085027B
(de)
*
|
1958-04-16 |
1960-07-07 |
Bischof & Klein Papierverarbei |
Ventilsack aus Papier oder aus einem aehnlichen Werkstoff
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DE1212858B
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*
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1958-12-24 |
1966-03-17 |
Papierwerk Haemmern G M B H & |
Ventilsack
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(de)
*
|
1960-07-08 |
1966-02-10 |
Du Pont Canada |
Beutelartige Verpackung aus Kunststoff
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1962-04-25 |
1966-03-17 |
Olin Mathieson |
Ventilsack zur Aufnahme und Verpackung von schuettbarem Gut
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1962-04-30 |
1967-07-27 |
Windmoeller & Hoelscher |
Vorrichtung zum Einlegen eines Ventilblattes in einen offenen Kreuzboden von Kreuzboden-Ventilsaecken
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1976-05-03 |
1977-05-31 |
The Dow Chemical Company |
Valve type shipping bag
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(de)
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|
1978-07-14 |
1984-11-15 |
Windmöller & Hölscher, 4540 Lengerich |
Verfahren zum Herstellen von mit Kreuzböden versehenen Ventilsäcken
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1998-08-28 |
2000-02-29 |
Upm Kymmene Corp |
Paperinen venttiilisäkki
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2001-02-21 |
2004-07-02 |
イ、ゴルジュ |
流路を有する真空包装用フィルムの製造方法
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2003-03-05 |
2006-08-08 |
Tilia International, Inc. |
Method for manufacturing a sealable bag having an integrated zipper for use in vacuum packaging
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2003-03-05 |
2005-02-17 |
Tilia International, Inc. |
Method for manufacturing liquid-trapping bag for use in vacuum packaging
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2003-03-05 |
2006-11-21 |
Tilia International, Inc. |
Method for manufacturing a sealable bag having an integrated tray for use in vacuum packaging
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2003-03-24 |
2009-04-14 |
Sunbeam Products, Inc. |
Forming evacuation channels during single and multi-layer extrusion process
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2003-12-16 |
2007-05-22 |
Sunbeam Products, Inc. |
Flexible composite bag for vacuum sealing
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2004-07-22 |
2009-05-19 |
Sunbeam Products, Inc. |
Vacuum packaging films patterned with protruding cavernous structures
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(en)
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2016-03-25 |
2017-12-12 |
Yozgat Kraft Torba Sanayi Ve Ticaret Anonim Sirketi |
Progressions to kraft sacks that are used to store industrial-purpose dust and granule product
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