B31B 50/04
Feeding sheets or blanks
B31B50/04 (Feeding sheets or blanks) appears on 527 US grants and 457 published applications in this corpus.
Search patents in B31B- Granted patents
- 527
- Published applications
- 457
- Assignees
- 280
- Inventors
- 876
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 17 | 0 |
| 1978 | 9 | 0 |
| 1979 | 9 | 0 |
| 1980 | 8 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 14 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 4 |
| 2003 | 5 | 4 |
| 2004 | 4 | 12 |
| 2005 | 2 | 11 |
| 2006 | 9 | 14 |
| 2007 | 3 | 4 |
| 2008 | 8 | 4 |
| 2009 | 3 | 7 |
| 2010 | 3 | 7 |
| 2011 | 2 | 10 |
| 2012 | 4 | 13 |
| 2013 | 5 | 20 |
| 2014 | 4 | 16 |
| 2015 | 18 | 18 |
| 2016 | 12 | 12 |
| 2017 | 12 | 19 |
| 2018 | 11 | 33 |
| 2019 | 12 | 36 |
| 2020 | 27 | 21 |
| 2021 | 33 | 36 |
| 2022 | 28 | 39 |
| 2023 | 41 | 37 |
| 2024 | 34 | 24 |
| 2025 | 31 | 31 |
| 2026 | 21 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Guide position adjustment device, folder gluer and box making machine, and folding guide position adjustment method6 Oct 2026US 12,752,505 B2Mitsubishi Heavy Industries Machinery Systems, Ltd.
- Converting machine with inversion transfer module1 Sep 2026US 12,722,924 B2Bobst Lyon
- Machines, systems, and methods for assembling packaging cases18 Aug 2026US 12,709,081 B2WestRock Packaging Systems, LLC
- Systems and methods for web-fed dry forming of fiber-based products11 Aug 2026US 12,703,166 B2Footprint International, LLC
- Box forming apparatus4 Aug 2026US 12,697,795 B2Canon Finetech Nisca Inc.
- Method and system for manufacturing pressed board trays1 Oct 2026US 2026/0295965 A1Confoil Pty Ltd
- Corrugated paperboard box making machine10 Sep 2026US 2026/0264358 A1Kabushiki Kaisha Isowa
- Suction bar system for a converting machine27 Aug 2026US 2026/0249580 A1Bobst Mex SA
- Blank joining module with improved ergonomics27 Aug 2026US 2026/0250095 A1Bobst Mex SA
- Method and apparatus for forming containers20 Aug 2026US 2026/0241659 A1
Most cited
By later US patents
- Method and machine for forming cases with polygonal section made from a sheet material and cases thus obtained77US 4,932,930 AEmbal-Systems · 1990
- Carton erection and sealing apparatus60US 4,578,054 A1986
- Mini case erector54US 5,393,291 AMarq Packaging Systems, Inc. · 1995
- Carton forming apparatus52US 4,164,171 AAmerican Can Company · 1979
- Carton opening mechanism52US 4,537,587 AH. J. Langen & Sons Limited · 1985