D04H 1/43828
Sheath-core
Official title: {sheath-core}
D04H1/43828 (Sheath-core) appears on 439 US grants and 573 published applications in this corpus.
Search patents in D04H- Granted patents
- 439
- Published applications
- 573
- Assignees
- 280
- Inventors
- 1,292
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 11 | 0 |
| 1999 | 17 | 0 |
| 2000 | 14 | 0 |
| 2001 | 21 | 11 |
| 2002 | 13 | 28 |
| 2003 | 18 | 28 |
| 2004 | 19 | 28 |
| 2005 | 7 | 26 |
| 2006 | 9 | 34 |
| 2007 | 10 | 30 |
| 2008 | 8 | 21 |
| 2009 | 4 | 21 |
| 2010 | 11 | 24 |
| 2011 | 11 | 37 |
| 2012 | 24 | 16 |
| 2013 | 18 | 23 |
| 2014 | 8 | 11 |
| 2015 | 6 | 19 |
| 2016 | 9 | 18 |
| 2017 | 12 | 12 |
| 2018 | 9 | 16 |
| 2019 | 10 | 16 |
| 2020 | 14 | 17 |
| 2021 | 11 | 15 |
| 2022 | 9 | 23 |
| 2023 | 15 | 26 |
| 2024 | 14 | 27 |
| 2025 | 14 | 27 |
| 2026 | 9 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Soft absorbent coform nonwoven web29 Sep 2026US 12,747,526 B2Kimberly-Clark Worldwide, Inc.
- Fibrous substrates containing fibers with fiber additives14 Jul 2026US 12,678,349 B2The Procter & Gamble Company
- Airlaid nonwoven30 Jun 2026US 12,668,902 B2Fitesa (China) Airlaid Company Limited
- Patterned fibrous substrates2 Jun 2026US 12,642,714 B2The Procter & Gamble Company
- In situ chromatic biosensor28 Apr 2026US 12,611,665 B2University of Manitoba
- Industrial fabric with laser induced structures8 Oct 2026US 2026/0308838 A1AstenJohnson International, Inc.
- Core-sheath conjugate fiber and nonwoven fabric formed therefrom17 Sep 2026US 2026/0275583 A1TOYOBO MC Corporation
- Nonwoven fabric having improved strength and softness10 Sep 2026US 2026/0265969 A1Fitesa Simpsonville, Inc.
- In situ CHROMATIC BIOSENSOR6 Aug 2026US 2026/0224161 A1University of Manitoba
- Biodegradable Polymer Blend6 Aug 2026US 2026/0226271 A1Kimberly-Clark Worldwide, Inc.
Most cited
By later US patents
- Multicomponent apertured nonwoven341US 6,632,504 B1BBA Nonwovens Simpsonville, Inc. · 2003
- Method of charging electret filter media289US 5,496,507 AMinnesota Mining and Manufacturing Company · 1996
- Binder coated discontinuous fibers with adhered particulate materials234US 5,432,000 AWeyerhaeuser Company · 1995
- Flexible nonwoven mat204US 5,380,580 AMinnesota Mining and Manufacturing Company · 1995
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996