B65B 43/26
Opening or distending bags
Official title: Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
B65B43/26 (Opening or distending bags) appears on 1,011 US grants and 859 published applications in this corpus.
Search patents in B65B- Granted patents
- 1,011
- Published applications
- 859
- Assignees
- 576
- Inventors
- 1,763
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 21 | 0 |
| 1978 | 13 | 0 |
| 1979 | 16 | 0 |
| 1980 | 18 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 17 | 0 |
| 1986 | 11 | 0 |
| 1987 | 20 | 0 |
| 1988 | 12 | 0 |
| 1989 | 21 | 0 |
| 1990 | 7 | 0 |
| 1991 | 28 | 0 |
| 1992 | 19 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 13 | 0 |
| 1996 | 16 | 0 |
| 1997 | 10 | 0 |
| 1998 | 19 | 0 |
| 1999 | 16 | 0 |
| 2000 | 15 | 0 |
| 2001 | 13 | 2 |
| 2002 | 14 | 15 |
| 2003 | 12 | 27 |
| 2004 | 18 | 29 |
| 2005 | 22 | 25 |
| 2006 | 13 | 30 |
| 2007 | 14 | 21 |
| 2008 | 24 | 38 |
| 2009 | 12 | 20 |
| 2010 | 19 | 22 |
| 2011 | 14 | 23 |
| 2012 | 17 | 26 |
| 2013 | 12 | 31 |
| 2014 | 15 | 33 |
| 2015 | 14 | 41 |
| 2016 | 25 | 36 |
| 2017 | 26 | 46 |
| 2018 | 27 | 48 |
| 2019 | 27 | 47 |
| 2020 | 50 | 46 |
| 2021 | 41 | 33 |
| 2022 | 37 | 64 |
| 2023 | 33 | 42 |
| 2024 | 55 | 48 |
| 2025 | 41 | 43 |
| 2026 | 31 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65B 43/30By grippers engaging opposed walls314
- B65B 43/34By internal pressure232
- B65B 43/265Opening, erecting or setting-up boxes, cartons or carton blanks215
- B65B 43/28By grippers co-operating with fixed supports129
- B65B 43/267Opening of bags interconnected in a web118
- B65B 43/32By external pressure diagonally applied61
- B65B 43/262Opening of valve bags28
Recent patents
- Apparatus for products packaging6 Oct 2026US 12,752,942 B2Heat and Control, Inc.
- Bag opening and product inserting mechanism6 Oct 2026US 12,752,948 B2Istanbul Teknik Universitesi
- Bag opening verification system and method for operating a bagging machine29 Sep 2026US 12,747,054 B2Pregis LLC
- Method of erecting box for insertion of roll packed mattress22 Sep 2026US 12,741,772 B2L&P Property Management Company
- Unit and method for packaging articles in boxes1 Sep 2026US 12,722,818 B2R. A. Jones & Co. Inc.
- Carrier for containers17 Sep 2026US 2026/0274538 A1Graphic Packaging International, Inc.
- Apparatus and method for manipulating and conveying containers along a transport section10 Sep 2026US 2026/0264902 A1Krones AG
- In-line laser measurement system and method for monitoring pouch openings in automated filling machines13 Aug 2026US 2026/0233877 A1
- Bag opening and product inserting mechanism30 Jul 2026US 2026/0217406 A1ISTANBUL TEKNIK UNIVERSITESl
- Bag Opener16 Jul 2026US 2026/0200618 A1Ahdept LLC
Most cited
By later US patents
- Form, fill, seal and separate packaging machine for reclosable containers108US 4,945,714 APackage Machinery Company, Bodolay/Pratt Division · 1990
- Apparatus for packing84US 7,104,026 B2F. R. Drake Company · 2006
- Plastic bag chain81US 4,654,878 ASignode Corporation · 1987
- Apparatus for automatically forming, filling, sealing and separating film packaging from a film webbing79US 5,179,816 A1993
- Apparatus for erecting boxes76US 5,061,231 ARobert Bosch GmbH · 1991