D01H 13/04
Guides for slivers, rovings, or yarns
Official title: Guides for slivers, rovings, or yarns; Smoothing dies (fibre-condensing guides D01H5/72 {; means to facilitate the unwinding of yarn in multiple-twist arrangements D01H7/866})
D01H13/04 (Guides for slivers, rovings, or yarns) appears on 87 US grants and 44 published applications in this corpus.
Search patents in D01H- Granted patents
- 87
- Published applications
- 44
- Assignees
- 66
- Inventors
- 188
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 0 | 3 |
| 2019 | 5 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 8 |
| 2023 | 1 | 5 |
| 2024 | 5 | 7 |
| 2025 | 4 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite yarns4 Aug 2026US 12,698,576 B2Select (Nantong) Safety Products Co., Ltd.
- Method for producing profiled fibers having low broken filament rate by polyester FDY process14 Jul 2026US 12,680,201 B2Jiangsu Hengli Chemical Fibre Co., Ltd.
- Spinning device and method for producing wrapped-core yarns7 Jul 2026US 12,674,252 B2Wuhan Textile University
- Yarn feed apparatus, workstation of a cabling machine and method for feeding18 Nov 2025US 12,473,171 B2Saurer Technologies GmbH & Co. KG
- Yarn spinning and/or twisting machine16 Sep 2025US 12,416,107 B2Casumconi, S.L.
- Method for producing profiled fibers having low broken filament rate by polyester fdy process1 Jan 2026US 2026/0002293 A1Jiangsu Hengli Chemical Fibre Co., Ltd.
- System and method for guiding fibers4 Dec 2025US 2025/0368470 A1Zoltek Corporation
- Calculus spinning device and method for producing wrapped-core yarns15 May 2025US 2025/0154693 A1Wuhan Textile University
- Sliver feeder and method12 Dec 2024US 2024/0410091 A1Saurer Spinning Solutions GmbH & Co. KG
- Compound and composition for organic optoelectronic device, organic optoelectronic deivce, and display device24 Oct 2024US 2024/0352627 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- System for producing staple-wrapped core yarn28US 4,961,306 AThe United States of America as represented by the Secretary of Agriculture · 1990
- Process and device for obtaining a spun yarn of fibres comprising an internal core and novel types of spun yarns thus made14US 4,489,540 AAsa S.A. · 1984
- Process and apparatus for feeding at least two drawn rovings to respective ring spinning stations13US 5,085,046 A1992
- Method for producing a fiber-spun yarn12US 4,584,830 AAsa S.A. · 1986
- Arrangement for pneumatic false-twist spinning12US 5,285,624 AHans Stahlecker · 1994