D21F 3/0236
Manufacturing methods
Official title: {manufacturing methods}
D21F3/0236 (Manufacturing methods) appears on 85 US grants and 61 published applications in this corpus.
Search patents in D21F- Granted patents
- 85
- Published applications
- 61
- Assignees
- 25
- Inventors
- 93
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 7 | 3 |
| 2003 | 1 | 1 |
| 2004 | 1 | 7 |
| 2005 | 2 | 6 |
| 2006 | 4 | 6 |
| 2007 | 2 | 2 |
| 2008 | 4 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 3 |
| 2021 | 1 | 4 |
| 2022 | 0 | 3 |
| 2023 | 3 | 7 |
| 2024 | 3 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Press cover for a shoe press or transport belt with improved hydrophobicity16 Jun 2026US 12,655,244 B2Voith Patent GmbH
- Belt25 Nov 2025US 12,480,256 B2Valmet Technologies Oy
- Sleeve roll belt18 Nov 2025US 12,473,691 B2Valmet Technologies Oy
- Papermaking device and method for producing papermaking device18 Jun 2024US 12,012,696 B2Ichikawa Co., Ltd.
- Papermaking device and method for producing papermaking device21 May 2024US 11,987,933 B2Ichikawa Co., Ltd.
- Shoe press roll cover11 Jul 2024US 2024/0229356 A1Voith Patent GmbH
- Press cover with reinforcing threads formed as twisted yarns, shoe press and method of processing a fibrous material web4 Jul 2024US 2024/0218595 A1Voith Patent GmbH
- Papermaking belt and method of producing papermaking belt11 Apr 2024US 2024/0117567 A1Ichikawa Co., Ltd.
- Press cover for a shoe press or transport belt with improved hydrophobicity23 Nov 2023US 2023/0374190 A1Voith Patent GmbH
- Belt10 Aug 2023US 2023/0250583 A1Valmet Technologies Oy
Most cited
By later US patents
- Paper machine belt64US 4,552,620 ABeloit Corporation · 1985
- Pressure belt for use with extended nip press in paper making machine51US 4,559,258 AIchikawa Woolen Textile Co., Ltd. · 1985
- Industrial fabric comprising spirally wound material strips and method of making thereof47US 8,980,062 B2Albany International Corp. · 2015
- Blanket for an extended nip press with anisotropic woven base layers35US 5,062,924 ABeloit Corporation · 1991
- Spiral construction for a long nip press belt34US 5,208,087 AAlbany International Corp. · 1993