D04H 1/44
The fleeces or layers being consolidated by mechanical means
Official title: the fleeces or layers being consolidated by mechanical means, e.g. by rolling
D04H1/44 (The fleeces or layers being consolidated by mechanical means) appears on 1,800 US grants and 2,113 published applications in this corpus.
Search patents in D04H- Granted patents
- 1,800
- Published applications
- 2,113
- Assignees
- 924
- Inventors
- 4,019
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 8 | 0 |
| 1978 | 14 | 0 |
| 1979 | 14 | 0 |
| 1980 | 19 | 0 |
| 1981 | 15 | 0 |
| 1982 | 14 | 0 |
| 1983 | 13 | 0 |
| 1984 | 17 | 0 |
| 1985 | 21 | 0 |
| 1986 | 22 | 0 |
| 1987 | 12 | 0 |
| 1988 | 20 | 0 |
| 1989 | 30 | 0 |
| 1990 | 21 | 0 |
| 1991 | 16 | 0 |
| 1992 | 30 | 0 |
| 1993 | 30 | 0 |
| 1994 | 37 | 0 |
| 1995 | 34 | 0 |
| 1996 | 31 | 0 |
| 1997 | 45 | 0 |
| 1998 | 41 | 0 |
| 1999 | 53 | 0 |
| 2000 | 51 | 0 |
| 2001 | 34 | 21 |
| 2002 | 37 | 70 |
| 2003 | 49 | 103 |
| 2004 | 50 | 106 |
| 2005 | 37 | 110 |
| 2006 | 32 | 87 |
| 2007 | 35 | 88 |
| 2008 | 31 | 79 |
| 2009 | 37 | 69 |
| 2010 | 43 | 69 |
| 2011 | 35 | 86 |
| 2012 | 33 | 53 |
| 2013 | 37 | 74 |
| 2014 | 47 | 81 |
| 2015 | 52 | 96 |
| 2016 | 58 | 94 |
| 2017 | 48 | 70 |
| 2018 | 60 | 89 |
| 2019 | 53 | 73 |
| 2020 | 52 | 89 |
| 2021 | 36 | 78 |
| 2022 | 47 | 98 |
| 2023 | 57 | 77 |
| 2024 | 61 | 104 |
| 2025 | 73 | 91 |
| 2026 | 40 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- D04H 1/46By needling or like operations to cause entanglement of fibres1,531
- D04H 1/52By applying or inserting filamentary binding elements128
- D04H 1/50By treatment to produce shrinking, swelling, crimping or curling of fibres74
- D04H 1/45By forming intermeshing loops or stitches from some of the fibres34
Recent patents
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- Hydroentangled nonwoven comprising cellulosic filaments17 Sep 2026US 2026/0275594 A1Essity Hygiene and Health Aktiebolag
- Ceiling basemat water reduction through strategic use of pressing and vacuuming17 Sep 2026US 2026/0275636 A1USG Interiors, Inc.
- Nonwoven Products Containing Reclaimed Textile Materials10 Sep 2026US 2026/0265970 A1Kimberly-Clark Worldwide, Inc.
Most cited
By later US patents
- Method of modifying a nonwoven fibrous web for use as component of a disposable absorbent article407US 6,383,431 B1The Procter & Gamble Company · 2002
- High pulp content nonwoven composite fabric387US 5,284,703 AKimberly-Clark Corporation · 1994
- Hydroentangled polyolefin web327US 5,023,130 AE. I. Du Pont de Nemours and Company · 1991
- Method of charging electret filter media289US 5,496,507 AMinnesota Mining and Manufacturing Company · 1996
- Dual-zoned absorbent webs287US 5,990,377 AKimberly-Clark Worldwide, Inc. · 1999