D04H 1/50
By treatment to produce shrinking, swelling, crimping or curling of fibres
Official title: by treatment to produce shrinking, swelling, crimping or curling of fibres (in combination with needling D04H1/482)
D04H1/50 (By treatment to produce shrinking, swelling, crimping or curling of fibres) appears on 74 US grants and 83 published applications in this corpus.
Search patents in D04H- Granted patents
- 74
- Published applications
- 83
- Assignees
- 68
- Inventors
- 201
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 8 |
| 2004 | 0 | 3 |
| 2005 | 1 | 3 |
| 2006 | 3 | 2 |
| 2007 | 2 | 4 |
| 2008 | 2 | 3 |
| 2009 | 0 | 7 |
| 2010 | 2 | 4 |
| 2011 | 5 | 5 |
| 2012 | 4 | 4 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 3 |
| 2016 | 2 | 3 |
| 2017 | 4 | 4 |
| 2018 | 4 | 5 |
| 2019 | 2 | 8 |
| 2020 | 2 | 3 |
| 2021 | 4 | 1 |
| 2022 | 1 | 3 |
| 2023 | 3 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pulp fibrous accumulated sheet and method for producing pulp fibrous accumulated sheet6 May 2025US 12,291,805 B2Lec, Inc.
- Pulp fibrous accumulated sheet and method for producing pulp fibrous accumulated sheet13 Aug 2024US 12,060,665 B2Lec, Inc.
- Free fibre padding structure and method for the production thereof7 Nov 2023US 11,807,960 B2Fisi Fibre Sintetiche S.P.A.
- Method for filling a fillable portion of a garment to be padded and padded garment16 May 2023US 11,649,569 B2Trust Monti Fonti
- Stretchable non-woven fabric having excellent repetition durability7 Mar 2023US 11,598,034 B2Kuraray Co., Ltd.
- High cross-directional elongation nonwoven fabrics28 May 2026US 2026/0146378 A1Fibertex Personal Care A/S
- Mineral fiber mat based on a binder comprising amino acid polymer and alpha-hydroxy carbonyl compound18 Dec 2025US 2025/0382733 A1BASF SE
- Pulp fibrous accumulated sheet and method for producing pulp fibrous accumulated sheet10 Oct 2024US 2024/0337049 A1Lec, Inc.
- Pulp fibrous accumulated sheet and method for producing pulp fibrous accumulated sheet10 Oct 2024US 2024/0337050 A1Lec, Inc.
- Method and device for producing a nonwoven product and the nonwoven product so produced18 Apr 2024US 2024/0125024 A1Mcairlaid's Vliesstoffe GmbH & Co. KG
Most cited
By later US patents
- Method for manufacturing an electret filter medium243US 4,588,537 AMinnesota Mining and Manufacturing Company · 1986
- Bicomponent synthesis fibre and process for producing same141US 5,456,982 ADanaklon A/S · 1995
- Method for molding fiber aggregate128US 6,096,249 ATeijin Limited · 2000
- High loft low density nonwoven webs of crimped filaments and methods of making same63US 7,291,239 B2Kimberly-Clark Worldwide, Inc. · 2007
- Suede-like sheet material57US 4,342,801 AAkzona Incorporated · 1982