B31F 1/285
Heating or drying equipment
Official title: {Heating or drying equipment}
B31F1/285 (Heating or drying equipment) appears on 99 US grants and 66 published applications in this corpus.
Search patents in B31F- Granted patents
- 99
- Published applications
- 66
- Assignees
- 58
- Inventors
- 165
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 4 |
| 2012 | 2 | 3 |
| 2013 | 3 | 3 |
| 2014 | 2 | 2 |
| 2015 | 1 | 7 |
| 2016 | 2 | 5 |
| 2017 | 2 | 4 |
| 2018 | 2 | 4 |
| 2019 | 2 | 5 |
| 2020 | 5 | 3 |
| 2021 | 3 | 2 |
| 2022 | 2 | 6 |
| 2023 | 2 | 2 |
| 2024 | 8 | 6 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Plant and method for producing a corrugated board25 Nov 2025US 12,479,185 B2Fosber S.p.A.
- Arrangement for producing a corrugated board web laminated on both sides21 Oct 2025US 12,447,710 B2BHS Corrugated Maschinen-und Anlagenbau GmbH
- Corrugating roller having enhanced heat transfer effectiveness27 May 2025US 12,311,633 B2SRC, Inc.
- Single facer with heating plates for producing corrugated board11 Mar 2025US 12,246,510 B2Fosber S.p.A.
- Plant and method for producing a corrugated board26 Feb 2026US 2026/0054464 A1Fosber S.p.A.
- Installation for producing corrugated paperboard, and method for operating such an installation18 Dec 2025US 2025/0381753 A1BHS Corrugated Maschinen-und Anlagenbau GmbH
- 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.
- Systems and methods for forming dual fluted corrugated board21 Nov 2024US 2024/0383222 A1Packsize LLC
- System For Producing A Three-Dimensionally Deformed Plate14 Nov 2024US 2024/0375311 A1Homann Holzwerkstoffe GmbH
Most cited
By later US patents
- Process control system for corrugators70US 3,981,758 AKoppers Company, Inc. · 1976
- Dryer-cooling machine for producing corrugated doubleface corrugated board34US 4,169,007 AFlynn Drying System, Inc. · 1979
- Process and apparatus for producing a strip of corrugated cardboard31US 4,589,944 AS. A. Martin · 1986
- Automated fabrication of corrugated paper products25US 5,783,006 AInland Paperboard and Packaging, Inc. · 1998
- Glue applicator for corrugator machines23US 4,603,654 AIsowa Industry Co., Ltd. · 1986