D02G 1/205
After-treatments for fixing crimp or curl
Official title: {After-treatments for fixing crimp or curl}
D02G1/205 (After-treatments for fixing crimp or curl) appears on 53 US grants and 16 published applications in this corpus.
Search patents in D02G- Granted patents
- 53
- Published applications
- 16
- Assignees
- 32
- Inventors
- 94
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compression-type textured strand for wig and method for manufacturing same21 Jul 2026US 12,685,357 B2
- Modified fibroin fibers14 Jan 2025US 12,195,883 B2Spiber Inc.
- Preparation method of self-crimping elastic combined filament yarn for knitting18 Jul 2023US 11,702,768 B2Jiangsu Hengli Chemical Fibre Co., Ltd.
- Coiled actuator system and method6 Dec 2022US 11,519,106 B2Other Lab, LLC
- Continuous strand of filaments having gradient-length characteristic implemented by kinky texture and spiral rotational twist, and manufacturing method therefor13 Jul 2021US 11,060,209 B2Yg Chem Co., Ltd.
- High bulk yarn and method of manufacturing thereof12 Jun 2025US 2025/0188652 A1AYM Syntex Limited
- Compression-type textured strand for wig and method for manufacturing same23 Nov 2023US 2023/0371632 A1
- Preparation method of self-crimping elastic combined filament yarn for knitting26 Jan 2023US 2023/0026102 A1Jiangsu Hengli Chemical Fibre Co., Ltd.
- Modified Fibroin Fibers10 Mar 2022US 2022/0074077 A1Spiber Inc.
- Continuous strand of filaments having gradient-length characteristic implemented by kinky texture and spiral rotational twist, and manufacturing method therefor24 Dec 2020US 2020/0397079 A1Yg Chem Co., Ltd.
Most cited
By later US patents
- Processes and apparatus for thermal treatment of filaments22US 4,118,843 ABarmag Barmer Maschinenfabrik AG · 1978
- Annealed polyester filaments and a process for making them18US 4,704,329 AE. I. Du Pont de Nemours and Company · 1987
- Integrated spin-draw-texturizing process for manufacture of texturized polyamide filaments14US 4,096,226 ABASF SE · 1978
- Process of making crimped, annealed polyester filaments12US 4,639,347 AE. I. Du Pont de Nemours and Company · 1987
- Two-component loop sewing yarn and manufacture thereof12US 5,100,729 AHoechst Aktiengesellschaft · 1992