D04H 1/4391
Characterised by the shape of the fibres
Official title: characterised by the shape of the fibres
D04H1/4391 (Characterised by the shape of the fibres) appears on 289 US grants and 384 published applications in this corpus.
Search patents in D04H- Granted patents
- 289
- Published applications
- 384
- Assignees
- 205
- Inventors
- 979
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 6 | 8 |
| 2003 | 13 | 19 |
| 2004 | 9 | 13 |
| 2005 | 2 | 10 |
| 2006 | 5 | 4 |
| 2007 | 3 | 14 |
| 2008 | 2 | 8 |
| 2009 | 3 | 10 |
| 2010 | 2 | 9 |
| 2011 | 5 | 9 |
| 2012 | 3 | 11 |
| 2013 | 8 | 9 |
| 2014 | 2 | 5 |
| 2015 | 3 | 18 |
| 2016 | 7 | 16 |
| 2017 | 6 | 11 |
| 2018 | 6 | 18 |
| 2019 | 4 | 13 |
| 2020 | 9 | 29 |
| 2021 | 11 | 18 |
| 2022 | 13 | 26 |
| 2023 | 15 | 25 |
| 2024 | 23 | 34 |
| 2025 | 16 | 27 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Artificial leather and method for manufacturing the same22 Sep 2026US 12,742,285 B2Toray Industries, Inc.
- Nonwoven fibrous web15 Sep 2026US 12,735,836 B23M Innovative Properties Company
- Use of lyocell fibers8 Sep 2026US 12,729,467 B2Lenzing Aktiengesellschaft
- High-porosity nanofiber nonwovens as a support structure for stromal tissue28 Jul 2026US 12,691,203 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Use of polymer composition on making soft nonwoven fabrics28 Jul 2026US 12,692,630 B2Borealis AG
- Fiber article8 Oct 2026US 2026/0308825 A1Daicel Corporation
- Method for producing fiber articles1 Oct 2026US 2026/0297819 A1Daicel Corporation
- Porous transport layer17 Sep 2026US 2026/0279846 A1NV Bekaert SA
- Cellulose acetate fibers in nonwoven fabrics20 Aug 2026US 2026/0242984 A1Eastman Chemical Company
- Grafted articles derived from porous polymeric fibers and methods thereof20 Aug 2026US 2026/0243018 A13M Innovative Properties Company
Most cited
By later US patents
- Soft nonwoven fabric of filaments506US 5,108,820 AMitsui Petrochemical Industries, Ltd. · 1992
- Web of blended microfibers and crimped bulking fibers445US 4,118,531 AMinnesota Mining and Manufacturing Company · 1978
- Multicomponent apertured nonwoven341US 6,632,504 B1BBA Nonwovens Simpsonville, Inc. · 2003
- Fine denier fibers and fabrics made therefrom231US 5,759,926 AKimberly-Clark Worldwide, Inc. · 1998
- Nonwoven metal fabric and method of making same129US 6,585,794 B2Sumitomo Electric Industries, Ltd. · 2003