D01D 4/04
Cleaning spinnerettes or other parts of the spinnerette packs
Official title: Cleaning spinnerettes or other parts of the spinnerette packs (cleaning in general B08B)
D01D4/04 (Cleaning spinnerettes or other parts of the spinnerette packs) appears on 38 US grants and 22 published applications in this corpus.
Search patents in D01D- Granted patents
- 38
- Published applications
- 22
- Assignees
- 27
- Inventors
- 76
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 3 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 5 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 3 | 0 |
| 2022 | 1 | 6 |
| 2023 | 2 | 2 |
| 2024 | 5 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Control method for yarn route inspection equipment, electronic device and storage medium8 Oct 2024US 12,110,614 B1Zhejiang Hengyi Petrochemical Co., Ltd.
- Spandex fiber dry spinning component and spinning part1 Oct 2024US 12,104,282 B2Zhengzhou Zhongyuan Spandex Eng. Tech Co., Ltd
- Multi-row coaxial melt-blown system23 Jul 2024US 12,043,920 B2Fratelli Ceccato Milano S.R.L.
- Control method for yarn route inspection equipment, electronic device and storage medium28 May 2024US 11,993,868 B1Zhejiang Hengyi Petrochemical Co., Ltd.
- Method and device for cleaning spinnerets while producing cellulose spunbonded nonwoven fabric16 Jan 2024US 11,873,581 B2Lenzing Aktiengesellschaft
- Melt spinning apparatus for extruding a first melt and a second melt2 Oct 2025US 2025/0305185 A1Oerlikon Textile GmbH & Co.KG
- Nozzle block having cleaning means, and electrospinning device having same7 Mar 2024US 2024/0076804 A1
- Apparatus and method of orifice inspection and carbon dioxide cleaning thereof16 Nov 2023US 2023/0366126 A1
- Spandex fiber dry spinning component and spinning part7 Sep 2023US 2023/0279584 A1Zhengzhou Zhongyuan Spandex Engineering Technology Co., Ltd
- Multi-row coaxial melt-blown system22 Dec 2022US 2022/0403556 A1Fratelli Ceccato Milano S.R.L.
Most cited
By later US patents
- Steam distribution ring for spinning machines15US 6,926,508 B2Invista North America S A R L · 2005
- Wiping spinneret face with cooled wiper14US 3,975,475 AE. I. Du Pont de Nemours and Company · 1976
- Method of keeping nozzle bodies or breaker plates clean during extrusion of polymer melts13US 4,124,666 ABayer Aktiengesellschaft · 1978
- Scraper blade10US 4,080,735 APhillips Fibers Corporation · 1978
- Spinneret cleaning device7US 4,255,109 AAkzona Incorporated · 1981