D04H 1/43912
Fibres with noncircular cross-sections
Official title: {fibres with noncircular cross-sections}
D04H1/43912 (Fibres with noncircular cross-sections) appears on 89 US grants and 136 published applications in this corpus.
Search patents in D04H- Granted patents
- 89
- Published applications
- 136
- Assignees
- 95
- Inventors
- 342
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 6 |
| 2003 | 6 | 8 |
| 2004 | 4 | 7 |
| 2005 | 2 | 6 |
| 2006 | 2 | 1 |
| 2007 | 1 | 4 |
| 2008 | 0 | 4 |
| 2009 | 1 | 5 |
| 2010 | 1 | 4 |
| 2011 | 2 | 4 |
| 2012 | 2 | 9 |
| 2013 | 5 | 6 |
| 2014 | 2 | 5 |
| 2015 | 1 | 10 |
| 2016 | 3 | 5 |
| 2017 | 1 | 6 |
| 2018 | 4 | 4 |
| 2019 | 2 | 7 |
| 2020 | 3 | 10 |
| 2021 | 4 | 5 |
| 2022 | 5 | 3 |
| 2023 | 3 | 4 |
| 2024 | 3 | 5 |
| 2025 | 3 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Use of lyocell fibers8 Sep 2026US 12,729,467 B2Lenzing Aktiengesellschaft
- Durable pilling resistant nonwoven insulation13 Jan 2026US 12,522,961 B2Primaloft, Inc.
- Artificial down filling material16 Dec 2025US 12,495,912 B2Inter IKEA Systems B.V.
- Method of making a microfiber including biomass22 Jul 2025US 12,366,010 B2Rensselaer Polytechnic Institute
- Treated nonwoven having an affinity for an active ingredient6 May 2025US 12,290,426 B2AVINTIV Specialty Materials Inc.
- Porous transport layer17 Sep 2026US 2026/0279846 A1NV Bekaert SA
- Cellulose acetate fibers in nonwoven fabrics20 Aug 2026US 2026/0242984 A1Eastman Chemical Company
- Artificial down filling material12 Mar 2026US 2026/0069049 A1Inter IKEA Systems B.V.
- Non-woven fabric, separator and battery1 Jan 2026US 2026/0002301 A1Shenzhen Senior Technology Material Co., Ltd.
- Composite absorbent tape13 Nov 2025US 2025/0345214 A1Fratelli Ceccato Milano S.R.L.
Most cited
By later US patents
- 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
- Multi-component fibers having enhanced reversible thermal properties and methods of manufacturing thereof90US 6,855,422 B22005
- Polyvinyl alcohol fibers, and nonwoven fabric comprising them73US 7,892,992 B2Kuraray Co., Ltd. · 2011