D01H 4/02
Imparting twist by a fluid
Official title: imparting twist by a fluid, e.g. air vortex
D01H4/02 (Imparting twist by a fluid) appears on 112 US grants and 103 published applications in this corpus.
Search patents in D01H- Granted patents
- 112
- Published applications
- 103
- Assignees
- 46
- Inventors
- 178
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 8 |
| 2003 | 2 | 8 |
| 2004 | 8 | 6 |
| 2005 | 2 | 1 |
| 2006 | 4 | 3 |
| 2007 | 2 | 9 |
| 2008 | 4 | 7 |
| 2009 | 4 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 2 | 5 |
| 2015 | 1 | 4 |
| 2016 | 4 | 1 |
| 2017 | 5 | 6 |
| 2018 | 1 | 1 |
| 2019 | 2 | 6 |
| 2020 | 6 | 11 |
| 2021 | 5 | 1 |
| 2022 | 3 | 4 |
| 2023 | 1 | 5 |
| 2024 | 4 | 7 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pile yarn, preparation method and application thereof29 Sep 2026US 12,747,520 B2Jiangsu Hengli Chemical Fibre Co., Ltd.
- Spinning station of an air-jet spinning machine and method for carrying out a piecing process at such a spinning station22 Apr 2025US 12,281,416 B2Saurer Intelligent Technology AG
- Multifunctional nozzle for a spinning machine14 Jan 2025US 12,195,885 B2Saurer Spinning Solutions GmbH & Co. KG
- Method for cleaning an air jet spinning device of a spinning station, an air jet spinning device of this type and a thread-forming unit for an air jet spinning device of this type6 Aug 2024US 12,054,855 B2Saurer Intelligent Technology AG
- Method for monitoring the spinning process on a spinning device, spinning position of an air-spinning machine and spinning device12 Mar 2024US 11,926,934 B2Saurer Intelligent Technology AG
- Pile yarn, preparation method and application thereof10 Jul 2025US 2025/0223734 A1Jiangsu Hengli Chemical Fibre Co., Ltd.
- Spinning machine and method12 Dec 2024US 2024/0410088 A1Saurer Spinning Solutions GmbH & Co. KG
- Drafting device, spinning station and method12 Dec 2024US 2024/0410089 A1Saurer Spinning Solutions GmbH & Co. KG
- Method for cleaning an air jet spinning device of a spinning station, an air jet spinning device of this type and a thread-forming unit for an air jet spinning device of this type26 Sep 2024US 2024/0318362 A1Saurer Intelligent Technology A G
- Spinning station of an air-jet spinning machine and method for carrying out a piecing process on such a spinning station27 Jun 2024US 2024/0209550 A1Saurer Intelligent Technology AG
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By later US patents
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- Composite, break-resistant sewing thread and method23US 6,405,519 B1Burke Mills, Inc. · 2002
- Core yarn production method and apparatus20US 6,370,858 B1Murata Kikai Kabushiki Kaisha · 2002