B31B 50/444
Having several plungers moving in a closed path and cooperating with stationary
Official title: {having several plungers moving in a closed path and cooperating with stationary folding dies}
B31B50/444 (Having several plungers moving in a closed path and cooperating with stationary) appears on 12 US grants and 5 published applications in this corpus.
Search patents in B31B- Granted patents
- 12
- Published applications
- 5
- Assignees
- 11
- Inventors
- 16
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Device and machine for forming boxes with internal partition wall and relative method18 Nov 2025US 12,472,717 B2I,M.A. Industria Macchine Automatiche S.p.A.
- Unit and method for placing objects in boxes27 Oct 2020US 10,815,020 B2Gima S.P.A.
- Tray forming apparatus and method6 Nov 2018US 10,118,359 B2
- Tray forming apparatus15 May 2012US 8,177,699 B1Smurfit-Stone Container Corporation
- Machine for forming boxes13 Dec 2011US 8,075,466 B2Ct Pack S.R.L.
- Device and machine for forming boxes with internal partition wall and relative method12 Jun 2025US 2025/0187287 A1I,M.A. Industria Macchine Automatiche S.p.A.
- Unit and method for placing objects in boxes21 Feb 2019US 2019/0055041 A1Gima S.P.A.
- Tray forming apparatus and method7 Apr 2016US 2016/0096337 A1WestRock Shared Services, LLC
- Machine for forming boxes26 Nov 2009US 2009/0291815 A1Ct Pack S.R.L.
- Method for Forming a Double Glued Corner Tray Structure14 Feb 2008US 2008/0039308 A1R&L Manufacturing
Most cited
By later US patents
- Hinge-lid pack for cigarettes or the like66US 4,753,383 AFocke & Co. (GmbH & Co.) · 1988
- Forming assembly for automatic machines for forming boxes from semi-finished flat blanks29US 4,674,998 ACartotecnica Chierese S.p.A. · 1987
- Process for producing packs with rounded or bevelled edges29US 4,708,704 AFocke & Co. (GmbH & Co.) · 1987
- Method for forming a double glued corner tray structure23US 7,470,225 B2R&L Manufacturing · 2008
- Apparatus for erecting cartons7US 3,995,539 ASprinter Pack AB · 1976