B31B 2160/10
Rectangular and flat, i.e. without structural provision for thickness of contents
Official title: rectangular and flat, i.e. without structural provision for thickness of contents
B31B2160/10 (Rectangular and flat, i.e. without structural provision for thickness of contents) appears on 1,228 US grants and 919 published applications in this corpus.
Search patents in B31B- Granted patents
- 1,228
- Published applications
- 919
- Assignees
- 559
- Inventors
- 1,664
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 24 | 0 |
| 1978 | 27 | 0 |
| 1979 | 10 | 0 |
| 1980 | 24 | 0 |
| 1981 | 22 | 0 |
| 1982 | 16 | 0 |
| 1983 | 16 | 0 |
| 1984 | 21 | 0 |
| 1985 | 29 | 0 |
| 1986 | 28 | 0 |
| 1987 | 34 | 0 |
| 1988 | 24 | 0 |
| 1989 | 25 | 0 |
| 1990 | 31 | 0 |
| 1991 | 31 | 0 |
| 1992 | 29 | 0 |
| 1993 | 26 | 0 |
| 1994 | 18 | 0 |
| 1995 | 22 | 0 |
| 1996 | 19 | 0 |
| 1997 | 20 | 0 |
| 1998 | 30 | 0 |
| 1999 | 31 | 0 |
| 2000 | 28 | 0 |
| 2001 | 23 | 10 |
| 2002 | 22 | 31 |
| 2003 | 33 | 36 |
| 2004 | 25 | 37 |
| 2005 | 19 | 44 |
| 2006 | 17 | 41 |
| 2007 | 12 | 36 |
| 2008 | 12 | 41 |
| 2009 | 15 | 33 |
| 2010 | 22 | 47 |
| 2011 | 17 | 62 |
| 2012 | 24 | 60 |
| 2013 | 33 | 44 |
| 2014 | 32 | 44 |
| 2015 | 33 | 47 |
| 2016 | 34 | 41 |
| 2017 | 31 | 44 |
| 2018 | 31 | 30 |
| 2019 | 25 | 26 |
| 2020 | 24 | 31 |
| 2021 | 25 | 18 |
| 2022 | 26 | 27 |
| 2023 | 20 | 36 |
| 2024 | 30 | 24 |
| 2025 | 18 | 16 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flexible bag having a convertible bottom, method and machine for manufacturing same25 Aug 2026US 12,715,657 B2Holweg Group
- “Deli” bag with extra thin walls and increased strength and method of manufacturing same18 Aug 2026US 12,709,439 B2New York Packaging II
- Reusable envelope with pre-cut closure flap, method and machine for manufaturing such an envelope14 Jul 2026US 12,679,599 B2Holweg Group
- Polymeric bags and method to make same9 Jun 2026US 12,649,620 B2Poly-America, L. P.
- Bag making machines and methods thereof14 Apr 2026US 12,600,107 B2CMD Corporation
- Resealable bag enclosure with scalloped tabs24 Sep 2026US 2026/0285545 A1Illinois Tool Works Inc.
- Improved method for making and filling pouches with or without spout for packaging fluid products and related plant23 Jul 2026US 2026/0208901 A1
- Cushion sheet production module and packaging bag production device thereof16 Jul 2026US 2026/0200640 A1Beta (Shenzhen) Package Products Co., Ltd
- Bag making machines and methods thereof2 Jul 2026US 2026/0184034 A1CMD Corporation
- Web superposing device and bag making apparatus18 Jun 2026US 2026/0166772 A1Totani Corporation
Most cited
By later US patents
- Method and apparatus for manufacturing sleeve- or bag-like containers, as well as such container435US 5,228,234 AKlerk's Plastic Industrie, B.V. · 1993
- Flexible thermoplastic containers having visual pattern thereon125US 5,618,111 ADowbrands L.P. · 1997
- Zippered film and bag119US 5,782,733 AInnoflex Incorporated · 1998
- Plastic film zipper bag having straightened heat seals116US 5,152,613 AMobil Oil Corporation · 1992
- Flexible medical container with selectively enlargeable compartments and method for making same114US 5,910,138 AB. Braun Medical Inc. · 1999