B31F 1/2804
Methods
Official title: {Methods}
B31F1/2804 (Methods) appears on 76 US grants and 65 published applications in this corpus.
Search patents in B31F- Granted patents
- 76
- Published applications
- 65
- Assignees
- 54
- Inventors
- 140
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 3 | 3 |
| 2012 | 0 | 3 |
| 2013 | 0 | 2 |
| 2014 | 4 | 1 |
| 2015 | 1 | 4 |
| 2016 | 0 | 0 |
| 2017 | 3 | 5 |
| 2018 | 0 | 2 |
| 2019 | 4 | 8 |
| 2020 | 4 | 5 |
| 2021 | 3 | 5 |
| 2022 | 8 | 3 |
| 2023 | 5 | 7 |
| 2024 | 5 | 2 |
| 2025 | 4 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for operating a system having a corrugator and a printing machine, and system6 Oct 2026US 12,752,550 B2BHS Corrugated Maschinen-und Anlagenbau GmbH
- Plant and method for manufacturing corrugated board with an order change detector8 Sep 2026US 12,728,615 B2Fosber S.p.A.
- Method and apparatus for manufacturing corrugated paperboard17 Feb 2026US 12,552,128 B2Interpac Ltd
- Paper-specific moisture control in a traveling paper web21 Oct 2025US 12,448,735 B2Intpro, LLC
- Adhesive compositions comprising a combination of (I) microfibrillated cellulose and (II) a metal in an oxidation state of II or greater19 Aug 2025US 12,391,851 B2Borregaard AS
- Arrangement and method10 Sep 2026US 2026/0264360 A1BHS Corrugated Maschinen-und Anlagenbau GmbH
- Corrugated cardboard and a method for producing a corrugated cardboard20 Aug 2026US 2026/0243022 A1Jml Innovation AB
- Method for producing a corrugated cardboard web by means of a corrugator, corrugator, and computer programme product29 Jan 2026US 2026/0027799 A1BHS Corrugated Maschinen-und Anlagenbau GmbH
- Paper-specific moisture control in a traveling paper web29 Jan 2026US 2026/0028779 A1Intpro, LLC
- In-line corrugated cardboard laminating plants19 Jun 2025US 2025/0196490 A1Fosber S.p.A.
Most cited
By later US patents
- Corrugated cardboard sheet and method for producing same48US 4,086,116 AMitsubishi Petrochemical Co., Ltd. · 1978
- Corrugated paper board and its method of manufacture31US 4,544,597 AAdolph Coors Company · 1985
- Process and apparatus for producing a strip of corrugated cardboard31US 4,589,944 AS. A. Martin · 1986
- Method of laminating planar and corrugated surface defining layers of sheet material23US 3,972,763 AWeyerhaeuser Company · 1976
- Rigid-when-wet paperboard containers and their manufacture23US 4,051,277 AAlton Box Board Company · 1977