D01H 1/34
With two or more speeds
Official title: with two or more speeds; with variable-speed arrangements {, e.g. variation of machine speed according to growing bobbin diameter (responsive to reduction in material tension D01H13/16)}
D01H1/34 (With two or more speeds) appears on 17 US grants and 4 published applications in this corpus.
Search patents in D01H- Granted patents
- 17
- Published applications
- 4
- Assignees
- 12
- Inventors
- 36
- Latest grant
- 5 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Spinning apparatus, air spinning apparatus in particular, with continuous adjustment of a yarn accumulation system and related method of continuous adjustment of a yarn accumulation system in a spinning apparatus5 Jul 2022US 11,377,761 B2Savio Macchine Tessili S.p.A.
- Thread twist system for twisting and spinning machines20 Dec 2011US 8,079,207 B2Frimal Trading S.L.
- Variable twist level yarn using fluid twisting27 Nov 2007US 7,299,615 B2Mannington Mills, Inc.
- Method and apparatus for controlling a yarn false twist texturing machine25 Mar 2003US 6,536,199 B2Barmag AG
- Modular machine for spinning and doubling with elements for transmitting individually the spindles with conical or double conical continuous and individual folding system17 Jul 2001US 6,260,341 B1
- Spinning apparatus, air spinning apparatus in particular, with continuous adjustment of a yarn accumulation system and related method of continuous adjustment of a yarn accumulation system in a spinning apparatus30 Jul 2020US 2020/0240048 A1Savio Macchine Tessili S.p.A.
- Thread Twist System for Twisting and Spinning Machines9 Sep 2010US 2010/0223900 A1Frimal Trading S.L.
- Variable twist level yarn using fluid twisting22 Dec 2005US 2005/0279075 A1Mannington Mills, Inc.
- Method and apparatus for controlling a yarn false twist texturing machine11 Jul 2002US 2002/0088218 A1Barmag AG
Most cited
By later US patents
- Apparatus for controlling the rotational speed of the spindles of a spinning preparatory machine15US 4,375,744 ARieter Machine Works, Ltd. · 1983
- Apparatus for controlling the bobbin drive of a flyer roving frame10US 4,254,615 ASchubert & Salzer · 1981
- Rotary ring spinning device provided with a ring motor10US 5,009,063 A1991
- Twist number setting device for a two-for-one twister6US 4,922,703 AMurata Kikai Kabushiki Kaisha · 1990
- Apparatus for winding a roving applied to a roving frame6US 5,341,633 AHowa Machinery, Ltd. · 1994