D04H 1/732
By fluid current
Official title: by fluid current, e.g. air-lay
D04H1/732 (By fluid current) appears on 662 US grants and 863 published applications in this corpus.
Search patents in D04H- Granted patents
- 662
- Published applications
- 863
- Assignees
- 373
- Inventors
- 1,744
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 14 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 6 |
| 2002 | 9 | 21 |
| 2003 | 9 | 23 |
| 2004 | 10 | 22 |
| 2005 | 8 | 29 |
| 2006 | 9 | 23 |
| 2007 | 13 | 23 |
| 2008 | 10 | 21 |
| 2009 | 10 | 18 |
| 2010 | 9 | 15 |
| 2011 | 12 | 17 |
| 2012 | 11 | 12 |
| 2013 | 13 | 20 |
| 2014 | 9 | 20 |
| 2015 | 8 | 30 |
| 2016 | 19 | 36 |
| 2017 | 27 | 26 |
| 2018 | 22 | 37 |
| 2019 | 23 | 54 |
| 2020 | 19 | 60 |
| 2021 | 46 | 50 |
| 2022 | 45 | 65 |
| 2023 | 43 | 72 |
| 2024 | 40 | 64 |
| 2025 | 33 | 55 |
| 2026 | 40 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible demolding device, core molding device, and core forming method22 Sep 2026US 12,740,896 B2Shanghai Zhilian Precision Machinery Co., Ltd.
- Use of lyocell fibers8 Sep 2026US 12,729,467 B2Lenzing Aktiengesellschaft
- High efficiency synthetic filter media1 Sep 2026US 12,722,107 B2Knowlton Technologies, LLC
- Method for the continuous production of nonwoven fabric, and associated nonwoven fabric production apparatus and nonwoven board1 Sep 2026US 12,723,336 B2Nvh Czech S.R.O.
- Web material structuring belt, method for making and method for using18 Aug 2026US 12,709,841 B2The Procter & Gamble Company
- High Strength Hydroentangled Sheet Containing Non-Wood Fibers8 Oct 2026US 2026/0308824 A1Kimberly-Clark Worldwide, Inc.
- Method for preparing non-woven fabric and non-woven fabric8 Oct 2026US 2026/0308826 A1Zhejiang Bsk New Material Co., Ltd.
- Method and apparatus for producing fluff-free absorbent cores17 Sep 2026US 2026/0272724 A1Fameccanica, Data S.P A.
- Apparatus for forming a substrate10 Sep 2026US 2026/0265971 A1Kimberly-Clark Worldwide, Inc.
- Pellicle film and pellicle10 Sep 2026US 2026/0267217 A1Lintec Corporation
Most cited
By later US patents
- Process for making a soft, strong, absorbent material for use in absorbent articles1,412US 6,485,667 B1Rayonier Products and Financial Services Company · 2002
- Web of blended microfibers and crimped bulking fibers445US 4,118,531 AMinnesota Mining and Manufacturing Company · 1978
- Dual-zoned absorbent webs287US 5,990,377 AKimberly-Clark Worldwide, Inc. · 1999
- Dual-zoned absorbent webs269US 6,395,957 B1Kimberly-Clark Worldwide, Inc. · 2002
- System for producing an air laid web249US 4,640,810 AScan Web of North America, Inc. · 1987