B29L 2031/7128
Bags, sacks, sachets
Official title: {Bags, sacks, sachets (tea bags B29L2031/7122; medical bags B29L2031/7148)}
B29L2031/7128 (Bags, sacks, sachets) appears on 915 US grants and 886 published applications in this corpus.
Search patents in B29L- Granted patents
- 915
- Published applications
- 886
- Assignees
- 505
- Inventors
- 1,637
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 10 | 0 |
| 1978 | 15 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 14 | 0 |
| 1986 | 11 | 0 |
| 1987 | 23 | 0 |
| 1988 | 19 | 0 |
| 1989 | 18 | 0 |
| 1990 | 6 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 13 | 0 |
| 1995 | 22 | 0 |
| 1996 | 11 | 0 |
| 1997 | 13 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 14 | 4 |
| 2002 | 8 | 18 |
| 2003 | 21 | 35 |
| 2004 | 19 | 34 |
| 2005 | 16 | 23 |
| 2006 | 14 | 18 |
| 2007 | 12 | 30 |
| 2008 | 14 | 25 |
| 2009 | 6 | 23 |
| 2010 | 14 | 23 |
| 2011 | 23 | 35 |
| 2012 | 20 | 34 |
| 2013 | 14 | 16 |
| 2014 | 13 | 23 |
| 2015 | 13 | 41 |
| 2016 | 27 | 50 |
| 2017 | 26 | 59 |
| 2018 | 33 | 58 |
| 2019 | 47 | 46 |
| 2020 | 57 | 52 |
| 2021 | 35 | 51 |
| 2022 | 50 | 58 |
| 2023 | 42 | 49 |
| 2024 | 43 | 36 |
| 2025 | 37 | 25 |
| 2026 | 18 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vacuum sealer25 Aug 2026US 12,715,637 B2Ningbo Kedly Appliance Industry Co., Ltd.
- Bag having gradient deformation patterns21 Jul 2026US D1,135,475 S1The Glad Products Company · Design
- Packaging bag with spout and method for producing packaging bag with spout14 Jul 2026US 12,679,619 B2ZACROS Corporation
- Heat-sealing apparatus for wrapping articles16 Jun 2026US 12,654,895 B2Barry-Wehmiller Company
- Compositions and materials for odor reducing articles including trash bags16 Jun 2026US 12,654,931 B2simplehuman, LLC
- Welding apparatus and method for operating same24 Sep 2026US 2026/0284981 A1Haver & Boecker Ohg
- Vacuum sealing bag24 Sep 2026US 2026/0285573 A1Guangdong Willing Technology Corporation
- Welding jaw and method for thermal welding13 Aug 2026US 2026/0233469 A1Georg Menshen GmbH & Co. KG
- Plastic storage bag and method of manufacturing same6 Aug 2026US 2026/0225324 A1
- Method of making a package for accessories6 Aug 2026US 2026/0225752 A1Arachne, LLC
Most cited
By later US patents
- Reclosable bags, apparatus and method193US 4,355,494 AMinigrip, Inc. · 1982
- Method for making multiple plastic bags with reclosable fasteners thereon163US 3,948,705 A1976
- Thin wall reclosable bag material and method of making same149US 4,601,694 AMinigrip, Inc. · 1986
- Method and apparatus for making reclosable bags in a form, fill and seal machine137US 4,709,533 AMinigrip, Inc. · 1987
- Reclosable zipper with tamper evident feature123US 5,435,864 AMinigrip, Inc. · 1995