D21H 13/10
Organic non-cellulose fibres
D21H13/10 (Organic non-cellulose fibres) appears on 787 US grants and 721 published applications in this corpus.
Search patents in D21H- Granted patents
- 787
- Published applications
- 721
- Assignees
- 444
- Inventors
- 1,901
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 11 | 0 |
| 1980 | 5 | 0 |
| 1981 | 14 | 0 |
| 1982 | 4 | 0 |
| 1983 | 10 | 0 |
| 1984 | 10 | 0 |
| 1985 | 16 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 12 | 0 |
| 1989 | 12 | 0 |
| 1990 | 13 | 0 |
| 1991 | 16 | 0 |
| 1992 | 22 | 0 |
| 1993 | 14 | 0 |
| 1994 | 5 | 0 |
| 1995 | 17 | 0 |
| 1996 | 10 | 0 |
| 1997 | 17 | 0 |
| 1998 | 18 | 0 |
| 1999 | 25 | 0 |
| 2000 | 22 | 0 |
| 2001 | 22 | 4 |
| 2002 | 19 | 23 |
| 2003 | 17 | 29 |
| 2004 | 13 | 25 |
| 2005 | 15 | 25 |
| 2006 | 7 | 23 |
| 2007 | 8 | 41 |
| 2008 | 11 | 21 |
| 2009 | 6 | 27 |
| 2010 | 19 | 28 |
| 2011 | 11 | 14 |
| 2012 | 18 | 32 |
| 2013 | 18 | 35 |
| 2014 | 17 | 28 |
| 2015 | 11 | 35 |
| 2016 | 18 | 25 |
| 2017 | 20 | 36 |
| 2018 | 17 | 31 |
| 2019 | 21 | 27 |
| 2020 | 16 | 40 |
| 2021 | 25 | 33 |
| 2022 | 40 | 44 |
| 2023 | 35 | 38 |
| 2024 | 24 | 18 |
| 2025 | 13 | 18 |
| 2026 | 10 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Impregnating coating layer for insulating sheetsand multilayer laminates15 Sep 2026US 12,734,766 B2Coveme S.P.A.
- Circuit board unwoven fabric, circuit board prepreg using same and circuit board using same23 Jun 2026US 12,662,775 B2Dupont Safety & Construction, Inc.
- Thermoplastic sheets and articles with variable lofting capacity26 May 2026US 12,636,852 B2Hanwha Azdel, Inc.
- Embossed fibrous structures and methods for making same12 May 2026US 12,623,434 B2The Procter & Gamble Company
- Electrical insulation paper12 May 2026US 12,626,836 B2Ahlstrom Oyj
- Method for manufacturing paper-making filler using mixed solution of organic fiber and inorganic compound and use thereof1 Oct 2026US 2026/0297850 A1MarinePad Co., Ltd.
- Polyimide fibre paper1 Oct 2026US 2026/0297851 A1Dupont Electronics, Inc.
- Method for preparing food-grade glassine paper using mycelium from submerged fermentation of edible fungi and food-grade glassine paper24 Sep 2026US 2026/0286616 A1Jilin Agricultural University
- Carbon material precursor and method for producing carbon material using same30 Jul 2026US 2026/0218454 A1Nippon Paper Industries Co., Ltd.
- Inorganic fiber sheet23 Jul 2026US 2026/0208083 A1Tomoegawa Co., Ltd.
Most cited
By later US patents
- Process for making unitary fibrous structure comprising randomly distributed cellulosic fibers and non-randomly distributed synthetic fibers1,408US 7,067,038 B2The Procter & Gamble Company · 2006
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996
- Dispersible nonwoven fabric and method of making same166US 5,935,880 A1999
- Hydroentangled disintegratable fabric155US 4,755,421 AJames River Corporation of Virginia · 1988
- Filtration structures of wet laid, bicomponent fiber148US 5,580,459 AHoechst Celanese Corporation · 1996