D21F 5/028
Using steam
Official title: {using steam}
D21F5/028 (Using steam) appears on 43 US grants and 16 published applications in this corpus.
Search patents in D21F- Granted patents
- 43
- Published applications
- 16
- Assignees
- 30
- Inventors
- 67
- Latest grant
- 22 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 3 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of making a molded paper web22 Aug 2023US 11,732,416 B2GPCP IP Holdings LLC
- Methods of making paper products using a molding roll5 Oct 2021US 11,136,719 B2GPCP IP Holdings LLC
- Method and a machine for producing a tissue web26 Jan 2021US 10,900,172 B1Valmet Aktiebolag
- Drying roller and a method for manufacturing the same9 Jun 2020US 10,676,866 B2Voith Patent GmbH
- Method for operation of a heating group subsystem, and heating group subsystem14 Jan 2020US 10,533,284 B2Voith Patent GmbH
- A steam supply system and a method of supplying steam15 Jan 2026US 2026/0015793 A1James Cropper PLC
- Method of making a molded paper web23 Dec 2021US 2021/0395948 A1GPCP IP Holdings LLC
- Method and a machine for producing a tissue web14 Jan 2021US 2021/0010202 A1Valmet Aktiebolag
- Production of paper that is highly stretchable in the cross direction11 Jun 2020US 2020/0181842 A1Billerudkorsnas AB
- Methods of making paper products using a molding roll17 Jan 2019US 2019/0017224 A1GPCP IP Holding LLC
Most cited
By later US patents
- Method of operating a papermachine drying line36US 4,314,878 AWestvaco Corporation · 1982
- Heated drum having high thermal flux and belt press using same29US 4,781,795 AWeyerhaeuser Company · 1988
- Belt and drum-type press with supplemental nip loading means17US 4,877,487 A1989
- Belt and drum-type pressing apparatus16US 4,758,310 A1988
- Steam supply and condensate removal apparatus for heated roll14US 5,899,264 AMarquip, Inc. · 1999