D21F 1/0072
Link belts
Official title: {Link belts}
D21F1/0072 (Link belts) appears on 109 US grants and 55 published applications in this corpus.
Search patents in D21F- Granted patents
- 109
- Published applications
- 55
- Assignees
- 42
- Inventors
- 150
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 0 | 3 |
| 2007 | 1 | 5 |
| 2008 | 2 | 6 |
| 2009 | 3 | 1 |
| 2010 | 3 | 5 |
| 2011 | 2 | 2 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 4 | 3 |
| 2015 | 1 | 1 |
| 2016 | 0 | 6 |
| 2017 | 3 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 3 | 2 |
| 2021 | 0 | 2 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 3 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Press felt5 May 2026US 12,618,195 B2Valmet Technologies Oy
- Method and device for producing helical coils6 Aug 2024US 12,053,919 B2Leo Feinwerktechnik GmbH & Co. KG
- Papermaking felt and method for manufacturing the same26 Mar 2024US 11,939,723 B2Ichikawa Co., Ltd.
- Woven base fabric with laser energy absorbent MD and CD yarns and tissue product made using the same19 Mar 2024US 11,931,997 B2First Quality Tissue, LLC
- Method for joining a belt having a reinforced structure with interpenetrated spirals2 May 2023US 11,639,744 B2Chiorino S.p.A.
- Woven base fabric with laser energy absorbent md and cd yarns and tissue product made using the same6 Jun 2024US 2024/0181742 A1First Quality Tissue, LLC
- Press Felt30 May 2024US 2024/0175208 A1Valmet Technologies Oy
- Apparatus and method for binding fabrics5 Jan 2023US 2023/0002959 A1CreateMe Technologies LLC
- Method and device for producing helical coils13 Oct 2022US 2022/0324157 A1Leo Feinwerktechnik GmbH & Co. KG
- Method for joining a belt having a reinforced structure with interpenetrated spirals19 May 2022US 2022/0154803 A1Chiorino S.p.A.
Most cited
By later US patents
- Advanced dewatering system86US 7,931,781 B2Voith Patent GmbH · 2011
- Method of dewatering a fibrous web with a press belt82US 7,351,307 B2Voith Paper Patent GmbH · 2008
- Paper machine dewatering system71US 7,686,923 B2Voith Patent GmbH · 2010
- Low permeability spiral fabric and method68US 4,490,925 AWangner Systems Corporation · 1985
- Papermakers fabric constructed of extruded slotted elements66US 4,537,658 AScapa Inc. · 1985