D04H 1/46
By needling or like operations to cause entanglement of fibres
Official title: by needling or like operations to cause entanglement of fibres (D04H1/45 takes precedence; needling machines D04H18/00)
D04H1/46 (By needling or like operations to cause entanglement of fibres) appears on 1,531 US grants and 1,800 published applications in this corpus.
Search patents in D04H- Granted patents
- 1,531
- Published applications
- 1,800
- Assignees
- 785
- Inventors
- 3,395
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 11 | 0 |
| 1980 | 13 | 0 |
| 1981 | 12 | 0 |
| 1982 | 13 | 0 |
| 1983 | 13 | 0 |
| 1984 | 17 | 0 |
| 1985 | 19 | 0 |
| 1986 | 17 | 0 |
| 1987 | 10 | 0 |
| 1988 | 15 | 0 |
| 1989 | 25 | 0 |
| 1990 | 17 | 0 |
| 1991 | 14 | 0 |
| 1992 | 24 | 0 |
| 1993 | 26 | 0 |
| 1994 | 33 | 0 |
| 1995 | 30 | 0 |
| 1996 | 27 | 0 |
| 1997 | 37 | 0 |
| 1998 | 40 | 0 |
| 1999 | 47 | 0 |
| 2000 | 44 | 0 |
| 2001 | 24 | 21 |
| 2002 | 28 | 59 |
| 2003 | 43 | 86 |
| 2004 | 45 | 93 |
| 2005 | 34 | 99 |
| 2006 | 24 | 79 |
| 2007 | 30 | 72 |
| 2008 | 29 | 73 |
| 2009 | 35 | 56 |
| 2010 | 34 | 56 |
| 2011 | 28 | 74 |
| 2012 | 26 | 41 |
| 2013 | 32 | 64 |
| 2014 | 39 | 71 |
| 2015 | 43 | 85 |
| 2016 | 46 | 82 |
| 2017 | 39 | 61 |
| 2018 | 52 | 77 |
| 2019 | 46 | 53 |
| 2020 | 46 | 78 |
| 2021 | 25 | 70 |
| 2022 | 42 | 86 |
| 2023 | 48 | 68 |
| 2024 | 53 | 82 |
| 2025 | 66 | 72 |
| 2026 | 36 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Artificial leather and method for manufacturing the same22 Sep 2026US 12,742,285 B2Toray Industries, Inc.
- Use of lyocell fibers8 Sep 2026US 12,729,467 B2Lenzing Aktiengesellschaft
- Nonwoven textile for footwear with entangled folded edge1 Sep 2026US 12,721,404 B2NIKE, Inc.
- Structured filter material for nicotine delivery products4 Aug 2026US 12,696,929 B2delfortgroup AG
- Non-woven fabric containing a disinfecting agent and method for producing the same4 Aug 2026US 12,698,457 B2Glatfelter Gernsbach GmbH
- Method for producing fiber articles1 Oct 2026US 2026/0297819 A1Daicel Corporation
- Three-dimensional nonwoven materials and methods of manufacturing thereof24 Sep 2026US 2026/0283866 A1Kimberly-Clark Worldwide, Inc.
- 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
- 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
- Simulated leather sheet material286US 4,342,805 ANorwood Industries Inc. · 1982