B31F 1/2845
Details
Official title: {Details, e.g. provisions for drying, moistening, pressing}
B31F1/2845 (Details) appears on 336 US grants and 186 published applications in this corpus.
Search patents in B31F- Granted patents
- 336
- Published applications
- 186
- Assignees
- 130
- Inventors
- 400
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 11 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 12 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 14 | 0 |
| 1998 | 19 | 0 |
| 1999 | 18 | 0 |
| 2000 | 19 | 0 |
| 2001 | 10 | 2 |
| 2002 | 7 | 7 |
| 2003 | 6 | 8 |
| 2004 | 4 | 8 |
| 2005 | 4 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 6 |
| 2008 | 5 | 7 |
| 2009 | 2 | 1 |
| 2010 | 4 | 4 |
| 2011 | 2 | 11 |
| 2012 | 3 | 6 |
| 2013 | 10 | 8 |
| 2014 | 4 | 6 |
| 2015 | 2 | 19 |
| 2016 | 3 | 6 |
| 2017 | 8 | 8 |
| 2018 | 4 | 4 |
| 2019 | 6 | 11 |
| 2020 | 9 | 9 |
| 2021 | 8 | 8 |
| 2022 | 9 | 10 |
| 2023 | 4 | 7 |
| 2024 | 11 | 12 |
| 2025 | 10 | 9 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Warp detection in traveling corrugated product18 Aug 2026US 12,709,082 B2Intpro, LLC
- Device for detecting paper splice part of cardboard sheet, and device for producing cardboard sheet31 Mar 2026US 12,589,572 B2Mitsubishi Heavy Industries Machinery Systems, Ltd.
- Device and method for replacing stage roll unit10 Mar 2026US 12,570,069 B2Mitsubishi Heavy Industriesmachinery Systems, Ltd
- Method and apparatus for manufacturing corrugated paperboard17 Feb 2026US 12,552,128 B2Interpac Ltd
- Conformable, recyclable shipping container, machine and method6 Jan 2026US 12,515,434 B2PAC Worldwide Corporation
- Corrugated cardboard production apparatuses14 May 2026US 2026/0131565 A1Quantumcorrugated S.R.L.
- Corrugating roller12 Mar 2026US 2026/0070299 A1PAC Worldwide Corporation
- Plant and method for producing a corrugated board26 Feb 2026US 2026/0054464 A1Fosber S.p.A.
- Paper-specific moisture control in a traveling paper web29 Jan 2026US 2026/0028779 A1Intpro, LLC
- Installation for producing corrugated paperboard, and method for operating such an installation18 Dec 2025US 2025/0381753 A1BHS Corrugated Maschinen-und Anlagenbau GmbH
Most cited
By later US patents
- Repulpable corrugated box with styrene-acrylic copolymer and hydrogenated triglyceride coating95US 9,701,437 B2Indevco Plastics, Inc. · 2017
- Process control system for corrugators70US 3,981,758 AKoppers Company, Inc. · 1976
- Method of fluting a corrugating medium40US 5,419,796 A1995
- Corrugated board manufacturing apparatus and process including precise web moisture and temperature control36US 5,244,518 AStickle Steam Specialties Co. Inc. · 1993
- Single facer for manufacturing single-faced corrugated board35US 4,177,102 ARengo Co., Ltd. · 1979