D01D 4/022
Processes or materials for the preparation of spinnerettes
Official title: {Processes or materials for the preparation of spinnerettes}
D01D4/022 (Processes or materials for the preparation of spinnerettes) appears on 29 US grants and 31 published applications in this corpus.
Search patents in D01D- Granted patents
- 29
- Published applications
- 31
- Assignees
- 24
- Inventors
- 66
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 6 |
| 2013 | 1 | 0 |
| 2014 | 7 | 4 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Spinning device and method for spinning up a spinning device24 Oct 2023US 11,795,582 B2Lenzing Aktiengesellschaft
- Spinning device and method for spinning up a spinning device, and spin-up device8 Aug 2023US 11,718,930 B2Lenzing Aktiengesellschaft
- Different shrinkage composite yarn and its preparation method17 Mar 2020US 10,590,564 B2Jiangsu Hengli Chemical Fibre Co., Ltd.
- Systems and methods for the production of microfibers and nanofibers using multiple fiber production devices13 Sep 2016US 9,441,313 B2CLARCOR Inc.
- Apparatuses having outlet elements and methods for the production of microfibers and nanofibers19 Jul 2016US 9,394,627 B2CLARCOR Inc.
- Melt spinning apparatus for extruding a first melt and a second melt2 Oct 2025US 2025/0305185 A1Oerlikon Textile GmbH & Co.KG
- Plastic optical fiber manufacturing method30 Jun 2022US 2022/0206213 A1Nitto Denko Corporation
- Molding tool and method for producing a molding tool for extruding cellulose molded bodies17 Feb 2022US 2022/0049375 A1Lenzing Aktiengesellschaft
- Spinning device and method for spinning up a spinning device, and spin-up device24 Sep 2020US 2020/0299864 A1Lenzing Aktiengesellschaft
- Spinning device and method for spinning up a spinning device20 Aug 2020US 2020/0263324 A1Lenzing Aktiengesellschaft
Most cited
By later US patents
- Process and apparatus for the production of nanofibers176US 6,382,526 B1The University of Akron · 2002
- Fiber spin pack39US 5,989,004 AKimberly-Clark Worldwide, Inc. · 1999
- Noise attenuating flexible cutting line for use in rotary vegetation trimmers and method of manufacture13US 6,910,277 B2Proulx Manufacturing, Inc. · 2005
- Multilayer apparatuses and methods for the production of microfibers and nanofibers12US 8,777,599 B2FibeRio Technology Corporation · 2014
- Apparatuses and methods for the deposition of microfibers and nanofibers on a substrate9US 8,658,067 B2FibeRio Technology Corporation · 2014