B31F 1/2877
Pressing means for bringing facer sheet and corrugated webs into contact or
Official title: {Pressing means for bringing facer sheet and corrugated webs into contact or keeping them in contact, e.g. rolls, belts}
B31F1/2877 (Pressing means for bringing facer sheet and corrugated webs into contact or) appears on 140 US grants and 79 published applications in this corpus.
Search patents in B31F- Granted patents
- 140
- Published applications
- 79
- Assignees
- 54
- Inventors
- 168
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 13 | 0 |
| 2001 | 7 | 2 |
| 2002 | 2 | 4 |
| 2003 | 4 | 3 |
| 2004 | 1 | 5 |
| 2005 | 3 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 3 |
| 2008 | 3 | 3 |
| 2009 | 0 | 1 |
| 2010 | 3 | 1 |
| 2011 | 1 | 6 |
| 2012 | 2 | 3 |
| 2013 | 4 | 4 |
| 2014 | 1 | 2 |
| 2015 | 0 | 8 |
| 2016 | 2 | 2 |
| 2017 | 5 | 2 |
| 2018 | 2 | 2 |
| 2019 | 3 | 5 |
| 2020 | 5 | 7 |
| 2021 | 4 | 1 |
| 2022 | 5 | 3 |
| 2023 | 3 | 4 |
| 2024 | 4 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Assembly for producing a corrugated cardboard web laminated on one side6 Jan 2026US 12,515,447 B2BHS Corrugated Maschinen-und Anlagenbau GmbH
- Arrangement for producing a corrugated board web laminated on both sides21 Oct 2025US 12,447,710 B2BHS Corrugated Maschinen-und Anlagenbau GmbH
- Single facer for manufacturing a corrugated board with a pressing unit with a continuous flexible member25 Mar 2025US 12,257,807 B2Fosber S.p.A.
- Systems and methods for forming corrugated boards with ultrasound2 Jul 2024US 12,023,891 B2Packsize LLC
- Single facer for manufacturing a corrugated board with a facilitated system for replacing the pressing belt18 Jun 2024US 12,011,900 B2Fosber S.p.A.
- Corrugated cardboard production apparatuses14 May 2026US 2026/0131565 A1Quantumcorrugated S.R.L.
- A device for adjusting and equalizing the tension in a web-like material, and a single facer comprising said device2 Oct 2025US 2025/0303661 A1Fosber S.p.A.
- In-line corrugated cardboard laminating plants19 Jun 2025US 2025/0196490 A1Fosber S.p.A.
- Arrangement for producing a corrugated board web laminated on both sides27 Jun 2024US 2024/0208175 A1BHS Corrugated Maschinen-und Anlagenbau GmbH
- Assembly for producing a corrugated cardboard web laminated on one side14 Mar 2024US 2024/0083155 A1BHS Corrugated Maschinen-und Anlagenbau GmbH
Most cited
By later US patents
- Corrugating machine glue applicator33US 4,764,236 AWestvaco Corporation · 1988
- Method and apparatus for producing multi-ply corrugated paperboard31US 6,153,037 ADaeyoung Packaging Co., Ltd. · 2000
- Corrugating machine with a flexible vessel pressure applying means28US 5,256,240 ASimon Container Machinery Limited · 1993
- Single-faced corrugated cardboard sheet making machine having an adjustable pressing means28US 5,344,520 AMitsubishi Jukogyo Kabushiki Kaisha · 1994
- Apparatus and method for enhancing heating uniformity for setting adhesive in corrugated paperboard manufacturing28US 5,456,783 AInterfic Developments, Inc. · 1995