B31B 2150/003
Made from tubular sheets
Official title: {made from tubular sheets}
B31B2150/003 (Made from tubular sheets) appears on 66 US grants and 71 published applications in this corpus.
Search patents in B31B- Granted patents
- 66
- Published applications
- 71
- Assignees
- 51
- Inventors
- 124
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 5 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 4 |
| 2012 | 0 | 4 |
| 2013 | 3 | 1 |
| 2014 | 3 | 2 |
| 2015 | 3 | 3 |
| 2016 | 0 | 5 |
| 2017 | 2 | 2 |
| 2018 | 2 | 7 |
| 2019 | 1 | 4 |
| 2020 | 5 | 5 |
| 2021 | 3 | 7 |
| 2022 | 4 | 4 |
| 2023 | 1 | 1 |
| 2024 | 5 | 8 |
| 2025 | 6 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of production of fabric bags or containers using heat fused seams16 Dec 2025US 12,497,214 B2Ameriglobe, LLC
- Sealed bag based on folding process and processing method thereof25 Nov 2025US 12,479,182 B1Dongguan He Xin Packing Co., Ltd.
- Method for producing paper sacks and paper sacks9 Sep 2025US 12,409,629 B2Mondi AG
- Systems and methods for packaging instruments or other items with bag making features19 Aug 2025US 12,391,018 B2Rst Automation LLC
- Hermetic, insecticidal food storage bag, use of it and a method for its production5 Aug 2025US 12,377,643 B2Vestergaard SàRl
- Method of production of fabric bags or containers using heat fused seams25 Jun 2026US 2026/0176025 A1Ameriglobe, LLC
- Flap spreading device in square bottom forming device of bag making machine, square bottom forming device in bag making machine, and bag making machine23 Apr 2026US 2026/0109127 A1Newlong Industrial Company Limited
- Sealed bag based on folding process and processing method thereof4 Dec 2025US 2025/0367898 A1Dongguan He Xin Packing Co., Ltd.
- Flexible paper-polymer multilayer package, preferably for dried food products12 Dec 2024US 2024/0409287 A1Barilla G. e R. Fratelli S.p.A.
- Method for producing paper sacks and paper sacks5 Dec 2024US 2024/0399698 A1Mondi AG
Most cited
By later US patents
- Bag for liquids, pastes, or granulates and method of manufacturing97US 5,547,284 A1996
- Container and method of manufacturing same from a web of flexible material60US 6,120,183 ATechnical Developers, Inc. · 2000
- Method and apparatus for manufacturing tube-shaped packages made of flexible material51US 6,510,673 B1BP Europack S.p.A. · 2003
- Method for making flat bottom plastic bag42US 5,102,384 A1992
- Method and system for making a stepped end27US 9,073,281 B2Coating Excellence International LLC · 2015