B31B 50/252
Using presses or dies
Official title: {using presses or dies}
B31B50/252 (Using presses or dies) appears on 104 US grants and 102 published applications in this corpus.
Search patents in B31B- Granted patents
- 104
- Published applications
- 102
- Assignees
- 67
- Inventors
- 193
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 3 |
| 2005 | 1 | 6 |
| 2006 | 0 | 1 |
| 2007 | 4 | 7 |
| 2008 | 3 | 4 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 6 |
| 2013 | 1 | 4 |
| 2014 | 3 | 2 |
| 2015 | 1 | 6 |
| 2016 | 3 | 2 |
| 2017 | 2 | 5 |
| 2018 | 0 | 12 |
| 2019 | 4 | 5 |
| 2020 | 3 | 7 |
| 2021 | 6 | 6 |
| 2022 | 8 | 2 |
| 2023 | 6 | 7 |
| 2024 | 5 | 5 |
| 2025 | 2 | 4 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for web-fed dry forming of fiber-based products11 Aug 2026US 12,703,166 B2Footprint International, LLC
- Methods and systems for producing pressware28 Jul 2026US 12,691,655 B2Brown LLC
- Methods and systems for producing pressware9 Jun 2026US 12,649,295 B2Brown LLC
- Method and system for cardboard pretreatment17 Feb 2026US 12,552,125 B2Highcon Systems Ltd.
- Methods and systems for producing pressware6 Jan 2026US 12,515,431 B2Brown LLC
- Method for providing a compensation sheet for a pressing station and method for setting a cardboard processing machine30 Jul 2026US 2026/0216907 A1Bobst Mex SA
- Measuring tool and method for providing a compensation sheet30 Jul 2026US 2026/0216984 A1Bobst Mex SA
- Apparatus for processing sheets27 Nov 2025US 2025/0361113 A1Duplo Seiko Corporation
- Method and system for creating co-layer surface adhesive rule23 Oct 2025US 2025/0326928 A1Highcon Systems Ltd.
- Systems and methods for web-fed dry forming of fiber-based products19 Jun 2025US 2025/0196461 A1Footprint International, LLC
Most cited
By later US patents
- Rupture lines in flexible packages84US 4,226,330 A1980
- Process for forming flexible fold lines in thermoplastic sheets45US 4,064,206 A1977
- Paper receptacle42US 6,093,460 AToyo Aluminum Foil Products Kabushiki Kaisha · 2000
- Apparatus for forming flexible fold lines in thermoplastic sheets and article so formed35US 4,179,252 A1979
- Process and apparatus for forming flexible fold lines in thermoplastic sheets34US 4,348,449 A1982