D01H 1/26
With two or more speeds
Official title: with two or more speeds; with variable-speed arrangements
D01H1/26 (With two or more speeds) appears on 6 US grants and 1 published applications in this corpus.
Search patents in D01H- Granted patents
- 6
- Published applications
- 1
- Assignees
- 4
- Inventors
- 16
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device and method for twisting electrostatic spinning superfine fiber12 Aug 2025US 12,385,166 B2Qingdao University of Science and Technology
- Twist variation2 Jun 2020US 10,669,648 B1
- Method of controlling the driving of a ring spinning frame18 Dec 1990US 4,977,737 AHowa Machinery, Ltd.
- Apparatus for controlling the winding speed of roving in roving frame12 Nov 1985US 4,551,969 AHowa Kogyo Kabushiki Kaisha
- Method and apparatus for spinning yarn under constant tension30 Jul 1985US 4,531,353 A
Most cited
By later US patents
- Apparatus for controlling the winding speed of roving in roving frame8US 4,551,969 AHowa Kogyo Kabushiki Kaisha · 1985
- Spinning or twisting machine, especially for glass-fiber threads3US 4,519,202 AZinser Textilmaschinen GmbH · 1985
- Method and apparatus for spinning yarn under constant tension3US 4,531,353 A1985
- Method of controlling the driving of a ring spinning frame3US 4,977,737 AHowa Machinery, Ltd. · 1990