D21G 9/0036
Controlling the press or drying section
Official title: {controlling the press or drying section}
D21G9/0036 (Controlling the press or drying section) appears on 127 US grants and 143 published applications in this corpus.
Search patents in D21G- Granted patents
- 127
- Published applications
- 143
- Assignees
- 75
- Inventors
- 291
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 5 |
| 2003 | 3 | 8 |
| 2004 | 3 | 6 |
| 2005 | 7 | 4 |
| 2006 | 4 | 5 |
| 2007 | 3 | 6 |
| 2008 | 0 | 6 |
| 2009 | 3 | 6 |
| 2010 | 5 | 3 |
| 2011 | 6 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 4 |
| 2014 | 5 | 7 |
| 2015 | 4 | 7 |
| 2016 | 9 | 10 |
| 2017 | 5 | 7 |
| 2018 | 7 | 7 |
| 2019 | 5 | 9 |
| 2020 | 6 | 4 |
| 2021 | 7 | 4 |
| 2022 | 2 | 6 |
| 2023 | 5 | 6 |
| 2024 | 4 | 7 |
| 2025 | 2 | 6 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjusting rolls22 Sep 2026US 12,742,289 B2Voith Patent GmbH
- Method of controlling the drying of cellulose pulp in a drying step of a pulp production process15 Sep 2026US 12,735,841 B2Andritz Technology and Asset Management GmbH
- Machine for producing cardboard28 Jul 2026US 12,692,657 B2Renova S.R.L.
- Method of controlling sheet manufacturing apparatus28 Jul 2026US 12,692,658 B2Seiko Epson Corporation
- Method of controlling sheet manufacturing apparatus14 Apr 2026US 12,601,117 B2Seiko Epson Corporation
- Hybrid gas/electric air heating system for material drying systems6 Aug 2026US 2026/0226682 A1Andritz Canada Inc.
- Apparatus for the treatment of paper material23 Jul 2026US 2026/0210043 A1Toscotec S.P.A.
- System and method for producing fiber molded products2 Jul 2026US 2026/0185302 A1
- Fiber molding system and method2 Jul 2026US 2026/0185306 A1
- A paper machine18 Jun 2026US 2026/0168174 A1Valmet Corporation
Most cited
By later US patents
- Temperature sensing dryer profile control61US 5,377,428 AJames River Corporation of Virginia · 1995
- Method of operating a papermachine drying line36US 4,314,878 AWestvaco Corporation · 1982
- Measuring arrangements in a shortened dry end of a tissue machine36US 6,749,723 B2Metso Paper Karlstad AB · 2004
- Apparatus for the detection of holes and plugged spots31US 5,725,737 APulp and Paper Research Institute of Canada · 1998
- Apparatus and method for controlling product grade changes in a paper machine or other machine31US 7,846,299 B2Honeywell ASCa Inc. · 2010