D02G 1/004
Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent
Official title: {by heating fibres, filaments, yarns or threads so as to create a temperature gradient across their diameter, thereby imparting them latent asymmetrical shrinkage properties}
D02G1/004 (Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent) appears on 21 US grants and 24 published applications in this corpus.
Search patents in D02G- Granted patents
- 21
- Published applications
- 24
- Assignees
- 26
- Inventors
- 69
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 3 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 3 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 3 |
| 2023 | 4 | 4 |
| 2024 | 2 | 4 |
| 2025 | 2 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a crimped composite thread16 Jun 2026US 12,655,544 B2Oerlikon Textile GmbH & Co.KG
- Apparatus and method for producing a crimped composite thread27 Jan 2026US 12,534,830 B2Oerlikon Textile GmbH & Co.KG
- Methods for producing through-fluid bonded nonwoven webs3 Jun 2025US 12,320,046 B2The Procter & Gamble Company
- Fray resistant structure18 Mar 2025US 12,252,814 B2Atex Technologies, Inc.
- Method for preparing PET/PTT parallel complex filament with high self-crimpiness4 Jun 2024US 12,000,065 B2Tongkun Group Co., Ltd.
- Acrylic fiber for artificial hair, crimped acrylic fiber for artificial hair, hair ornament product including the same, and production method therefor19 Dec 2024US 2024/0417889 A1Kaneka Corporation
- Method for producing a crimped composite thread12 Dec 2024US 2024/0410093 A1Oerlikon Textile GmbH & Co.KG
- Apparatus and method for producing a crimped composite thread11 Jul 2024US 2024/0229306 A9Oerlikon Textile GmbH & Co.KG
- Apparatus and method for producing a crimped composite thread25 Apr 2024US 2024/0133083 A1Oerlikon Textile GmbH & Co.KG
- Methods for producing through-fluid bonded nonwoven webs7 Sep 2023US 2023/0279593 A1The Procter & Gamble Company
Most cited
By later US patents
- Apparatus for producing texturized yarns23US 4,035,879 ABarmag Barmer Maschinenfabrik AG · 1977
- Crimped multifilament and method for manufacturing the same15US 5,281,476 AAsahi Kasei Kogyo Kabushiki Kaisha · 1994
- Method for texturing synthetic filament yarn9US 3,949,041 A1976
- Method of imparting latent crimp in polyolefin synthetic fibers7US 3,979,496 A1976
- Tool and method for crimping fabric6US 10,413,396 B2Vascutek Limited · 2019