D21G 1/004
Regulating the pressure
Official title: {Regulating the pressure}
D21G1/004 (Regulating the pressure) appears on 41 US grants and 26 published applications in this corpus.
Search patents in D21G- Granted patents
- 41
- Published applications
- 26
- Assignees
- 33
- Inventors
- 94
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 1 |
| 2003 | 2 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 4 |
| 2007 | 3 | 1 |
| 2008 | 2 | 2 |
| 2009 | 3 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Roller arrangement21 Nov 2023US 11,821,460 B2Matthews International Corporation
- Sensor roll29 Aug 2017US 9,745,698 B2Voith Patent GmbH
- Sealing strip for a paper, cardboard or tissue machine made from a plurality of materials18 Jul 2017US 9,708,768 B2Voith Patent GmbH
- Apparatus for controlling the nip force/pressure between two rotating cylinders14 Jul 2015US 9,079,739 B2The Procter & Gamble Company
- Process for controlling the nip force/pressure between two rotating cylinders7 Jul 2015US 9,073,282 B2The Procter & Gamble Company
- Roll press apparatus for manufacturing electrode plates5 Feb 2026US 2026/0034575 A1Samsung SDI.Co., Ltd.
- Electrode sheet manufacturing device12 Dec 2024US 2024/0408657 A1Prime Planet Energy & Solutions, Inc.
- Roller arrangement12 Jan 2023US 2023/0009511 A1Matthews International Corporation
- Production of highly stretchable paper having satisfactory surface properties8 Apr 2021US 2021/0102340 A1Billerudkorsnas AB
- Sensor roll9 Jun 2016US 2016/0160442 A1Voith Patent GmbH
Most cited
By later US patents
- Dynamic nip pressure and temperature sensing system72US 5,562,027 AStowe Woodward Licensco, LLC · 1996
- Method for calendering a paper or an equivalent web material and a calender that makes use of the method25US 5,438,920 AValmet Paper Machinery Inc. · 1995
- Method and apparatus for controlling cross directional nip dynamics22US 6,257,133 B1International Paper Company · 2001
- Method and apparatus for the continuous treatment of a web of paper, textile, synthetic material metal or the like through the application of pressure produced by magnetic force19US 4,078,323 AFa. Kleinewefers Industrie-Companie GmbH · 1978
- Calender control system for sheetmaking19US 4,982,334 AMeasurex Corporation · 1991