B65B 51/00
Devices for, or methods of, sealing or securing package folds or closures
Official title: Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
B65B51/00 (Devices for, or methods of, sealing or securing package folds or closures) appears on 3,674 US grants and 3,573 published applications in this corpus.
Search patents in B65B- Granted patents
- 3,674
- Published applications
- 3,573
- Assignees
- 1,716
- Inventors
- 6,150
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 63 | 0 |
| 1977 | 57 | 0 |
| 1978 | 57 | 0 |
| 1979 | 24 | 0 |
| 1980 | 27 | 0 |
| 1981 | 29 | 0 |
| 1982 | 25 | 0 |
| 1983 | 21 | 0 |
| 1984 | 25 | 0 |
| 1985 | 52 | 0 |
| 1986 | 46 | 0 |
| 1987 | 45 | 0 |
| 1988 | 46 | 0 |
| 1989 | 58 | 0 |
| 1990 | 37 | 0 |
| 1991 | 51 | 0 |
| 1992 | 35 | 0 |
| 1993 | 50 | 0 |
| 1994 | 42 | 0 |
| 1995 | 50 | 0 |
| 1996 | 52 | 0 |
| 1997 | 58 | 0 |
| 1998 | 68 | 0 |
| 1999 | 55 | 0 |
| 2000 | 72 | 0 |
| 2001 | 50 | 16 |
| 2002 | 47 | 58 |
| 2003 | 70 | 79 |
| 2004 | 49 | 94 |
| 2005 | 61 | 97 |
| 2006 | 50 | 88 |
| 2007 | 49 | 92 |
| 2008 | 56 | 83 |
| 2009 | 50 | 103 |
| 2010 | 58 | 104 |
| 2011 | 47 | 108 |
| 2012 | 63 | 115 |
| 2013 | 79 | 133 |
| 2014 | 73 | 174 |
| 2015 | 94 | 199 |
| 2016 | 105 | 199 |
| 2017 | 133 | 207 |
| 2018 | 121 | 221 |
| 2019 | 147 | 178 |
| 2020 | 169 | 162 |
| 2021 | 166 | 172 |
| 2022 | 157 | 203 |
| 2023 | 143 | 192 |
| 2024 | 204 | 216 |
| 2025 | 182 | 159 |
| 2026 | 106 | 121 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tooling for use in heat-sealing of flexible materials used in packaging6 Oct 2026US 12,752,952 B2Greener Corporation
- Tamper-indicating device installation tools and related tamper-indicating devices, assemblies, systems, and methods29 Sep 2026US 12,747,048 B2Battelle Savannah River Alliance, LLC
- Bag opening verification system and method for operating a bagging machine29 Sep 2026US 12,747,054 B2Pregis LLC
- Item packaging machine with longitudinal and lateral package sizing29 Sep 2026US 12,747,058 B2Tension International, Inc.
- Semiconductor transport system and method of transporting semiconductor29 Sep 2026US 12,751,232 B2Samsung Electronics Co., Ltd.
- Creating virtual pouch in reusable packaging methods and systems24 Sep 2026US 2026/0285518 A1Rz Circular Ltd
- A packaging apparatus for forming a plurality of sealed packages filled with a pourable product24 Sep 2026US 2026/0285520 A1Tetra Laval Holdings & Finance S. A.
- Sealing tool, packaging machine and method for manufacturing a sealed bag24 Sep 2026US 2026/0285526 A1OPTIMA life science GmbH
- Making machine and making method for producing pouches each containing a loose product dose17 Sep 2026US 2026/0274476 A1Sasib S.p.A.
- A packaging apparatus for forming a plurality of sealed packages filled with a pourable product17 Sep 2026US 2026/0274477 A1Tetra Laval Holdings & Finance S. A.
Most cited
By later US patents
- Position feedback system and method for use thereof1,075US 6,625,517 B12003
- Method for assembling a package for sutures359US 6,915,623 B2Ethicon, Inc. · 2005
- Tab closing device in a quick sheet for wrapping348US 5,353,575 AHampshire Paper Corp. · 1994
- Precise portion packaging machine137US 4,703,765 AUnited States Tobacco Company · 1987
- Controlled motion system123US 6,876,107 B2Jacobs Automation LLC · 2005