D04H 1/498
Entanglement of layered webs
Official title: entanglement of layered webs
D04H1/498 (Entanglement of layered webs) appears on 501 US grants and 601 published applications in this corpus.
Search patents in D04H- Granted patents
- 501
- Published applications
- 601
- Assignees
- 349
- Inventors
- 1,248
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 8 | 0 |
| 1998 | 20 | 0 |
| 1999 | 15 | 0 |
| 2000 | 15 | 0 |
| 2001 | 10 | 9 |
| 2002 | 8 | 9 |
| 2003 | 13 | 29 |
| 2004 | 15 | 34 |
| 2005 | 12 | 37 |
| 2006 | 11 | 32 |
| 2007 | 8 | 18 |
| 2008 | 13 | 31 |
| 2009 | 12 | 17 |
| 2010 | 8 | 23 |
| 2011 | 7 | 19 |
| 2012 | 7 | 16 |
| 2013 | 12 | 20 |
| 2014 | 16 | 31 |
| 2015 | 15 | 22 |
| 2016 | 12 | 28 |
| 2017 | 13 | 15 |
| 2018 | 13 | 26 |
| 2019 | 13 | 17 |
| 2020 | 13 | 21 |
| 2021 | 11 | 27 |
| 2022 | 17 | 35 |
| 2023 | 14 | 21 |
| 2024 | 22 | 28 |
| 2025 | 23 | 23 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Hydroentangled nonwoven fabric, face mask, and method for producing hydroentangled nonwoven fabric18 Jun 2026US 2026/0168147 A1Mitsui Chemicals Asahi Life Materials Co., Ltd.
- Nonwoven wearable articles with zonal properties and systems and methods for manufacturing4 Jun 2026US 2026/0150923 A1NIKE, Inc.
Most cited
By later US patents
- High pulp content nonwoven composite fabric387US 5,284,703 AKimberly-Clark Corporation · 1994
- High strength hydroentangled nonwoven fabric194US 4,808,467 AJames River Corporation of Virginia · 1989
- Composite elastic nonwoven fabric190US 5,334,446 AFiberweb North America, Inc. · 1994
- Superfine microfiber nonwoven web177US 5,935,883 AKimberly-Clark Worldwide, Inc. · 1999
- Process for making a high pulp content nonwoven composite fabric159US 5,389,202 AKimberly-Clark Corporation · 1995