D02G 1/20
Combinations of two or more of the above-mentioned operations or devices
Official title: Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
D02G1/20 (Combinations of two or more of the above-mentioned operations or devices) appears on 194 US grants and 92 published applications in this corpus.
Search patents in D02G- Granted patents
- 194
- Published applications
- 92
- Assignees
- 103
- Inventors
- 324
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 12 | 0 |
| 2001 | 3 | 3 |
| 2002 | 13 | 8 |
| 2003 | 5 | 9 |
| 2004 | 5 | 2 |
| 2005 | 2 | 4 |
| 2006 | 5 | 5 |
| 2007 | 3 | 4 |
| 2008 | 0 | 3 |
| 2009 | 4 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 1 |
| 2012 | 3 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 7 |
| 2016 | 3 | 1 |
| 2017 | 2 | 3 |
| 2018 | 5 | 3 |
| 2019 | 1 | 3 |
| 2020 | 3 | 8 |
| 2021 | 3 | 4 |
| 2022 | 4 | 5 |
| 2023 | 3 | 2 |
| 2024 | 1 | 3 |
| 2025 | 3 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compression-type textured strand for wig and method for manufacturing same21 Jul 2026US 12,685,357 B2
- Method of manufacturing yarn and yarn obtained in that manner17 Feb 2026US 12,553,154 B2Aladdin Manufacturing Corporation
- Apparatus and method for producing a crimped composite thread27 Jan 2026US 12,534,830 B2Oerlikon Textile GmbH & Co.KG
- Systems and methods for producing a bundle of filaments and/or a yarn6 May 2025US 12,291,799 B2Aladdin Manufacturing Corporation
- Air textured yarn (ATY) and manufacturing method thereof6 May 2025US 12,291,801 B2Suntex Fiber Co., Ltd.
- Method of manufacturing yarn and yarn obtained in that manner4 Jun 2026US 2026/0152876 A1Aladdin Manufacturing Corporation
- Systems and methods for producing a bundle of filaments and/or a yarn7 Aug 2025US 2025/0250719 A1Aladdin Manufacturing Corporation
- High bulk yarn and method of manufacturing thereof12 Jun 2025US 2025/0188652 A1AYM Syntex Limited
- Apparatus and method for producing a crimped composite thread11 Jul 2024US 2024/0229306 A9Oerlikon Textile GmbH & Co.KG
- Method of manufacturing yarn and yarn obtained in that manner13 Jun 2024US 2024/0191404 A1Aladdin Manufacturing Corporation
Most cited
By later US patents
- One step, ready-to-tuft, mock space-dyed multifilament yarn63US 5,804,115 ABASF SE · 1998
- Apparent twist yarn system and apparatus and method for producing same53US 6,722,117 B2Prisma Fibers, Inc. · 2004
- Apparatus for crimping tow including stuffer box, crimping rollers and molding rollers50US 5,025,538 AHoechst Celanese Corporation · 1991
- Method for production of synthetic yarn and yarn-like structures39US 4,497,099 AJ. & P. Coats Limited · 1985
- Cobulked continuous filament heather yarn method and product36US 4,295,329 AE. I. Du Pont de Nemours and Company · 1981