D21H 15/06
Long fibres, i.e. fibres exceeding the upper length limit of conventional paper-making
Official title: Long fibres, i.e. fibres exceeding the upper length limit of conventional paper-making fibres; Filaments
D21H15/06 (Long fibres, i.e. fibres exceeding the upper length limit of conventional paper-making) appears on 87 US grants and 87 published applications in this corpus.
Search patents in D21H- Granted patents
- 87
- Published applications
- 87
- Assignees
- 59
- Inventors
- 210
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 4 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 6 |
| 2013 | 0 | 5 |
| 2014 | 2 | 2 |
| 2015 | 4 | 4 |
| 2016 | 1 | 1 |
| 2017 | 1 | 10 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 4 | 6 |
| 2021 | 4 | 8 |
| 2022 | 3 | 5 |
| 2023 | 8 | 5 |
| 2024 | 2 | 5 |
| 2025 | 6 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Durable tissue product14 Jul 2026US 12,680,233 B2Kimberly-Clark Worldwide, Inc.
- Embossed fibrous structures and methods for making same12 May 2026US 12,623,434 B2The Procter & Gamble Company
- Fibrous structures different fibrous elements2 Dec 2025US 12,486,618 B2The Procter & Gamble Company
- Filter paper for cigarette filters and filter comprising it4 Nov 2025US 12,460,352 B2Miquel Y Costas & Miquel, S.A.
- Dry mixture and personal care composition as well as methods for their production9 Sep 2025US 12,409,109 B2Weidmann Holding AG
- Material, a new and improved layered or laminated material, formwork and or construction element13 Nov 2025US 2025/0346026 A1Plastic Free Packaging Pty Ltd
- Packaging material and method of wrapping articles21 Aug 2025US 2025/0263213 A1
- Toilet Tissue Comprising A Dynamic Surface17 Apr 2025US 2025/0122671 A1The Procter & Gamble Company
- Strength enhancement agent for paper and paperboard20 Feb 2025US 2025/0059712 A1Stora Enso OYJ
- Dry mixture and personal care composition as well as methods for their production21 Nov 2024US 2024/0382389 A1Weidmann Holding AG
Most cited
By later US patents
- High water absorbent double-recreped fibrous webs112US 5,674,590 AKimberly-Clark Tissue Company · 1997
- Nonwoven fabric71US 5,254,399 AMitsubishi Paper Mills Limited · 1993
- Filtration fabric produced by wet laid process66US 4,973,382 AInternational Paper Company · 1990
- Water entanglement process and product64US 5,009,747 AThe Dexter Corporation · 1991
- Absorbent flexible board49US 4,992,324 AJohnson & Johnson · 1991