D01D 4/025
Melt-blowing or solution-blowing dies
Official title: {Melt-blowing or solution-blowing dies}
D01D4/025 (Melt-blowing or solution-blowing dies) appears on 211 US grants and 172 published applications in this corpus.
Search patents in D01D- Granted patents
- 211
- Published applications
- 172
- Assignees
- 95
- Inventors
- 327
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 2 |
| 2002 | 10 | 9 |
| 2003 | 5 | 6 |
| 2004 | 9 | 7 |
| 2005 | 4 | 6 |
| 2006 | 6 | 5 |
| 2007 | 1 | 4 |
| 2008 | 2 | 7 |
| 2009 | 1 | 6 |
| 2010 | 4 | 4 |
| 2011 | 8 | 7 |
| 2012 | 1 | 6 |
| 2013 | 6 | 7 |
| 2014 | 6 | 3 |
| 2015 | 3 | 6 |
| 2016 | 8 | 4 |
| 2017 | 4 | 8 |
| 2018 | 3 | 14 |
| 2019 | 6 | 6 |
| 2020 | 9 | 9 |
| 2021 | 6 | 9 |
| 2022 | 8 | 8 |
| 2023 | 6 | 8 |
| 2024 | 8 | 8 |
| 2025 | 6 | 9 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Meltblown die tip assembly2 Jun 2026US 12,644,205 B2Extrusion Group, LLC
- Nonwoven fabric having a single layer with a plurality of different fiber types, and an apparatus, system, and method for producing same10 Mar 2026US 12,571,143 B2Fitesa Simpsonville, Inc.
- Co-mingling of particular material and co-axial-meltblown fibers6 Jan 2026US 12,516,458 B2The Procter & Gamble Company
- Systems and methods for producing a bundle of filaments and/or a yarn6 May 2025US 12,291,799 B2Aladdin Manufacturing Corporation
- Method for producing spunbonded fabric29 Apr 2025US 12,286,735 B2Lenzing Aktiengesellschaft
- Melt-blown type non -woven fabrics making plant16 Jul 2026US 2026/0201609 A1Fratelli Ceccato Milano S.R.L.
- Spin-die manifold for producing melt-spun filaments or yarns2 Jul 2026US 2026/0185269 A1TrüTzschler Group SE
- Electrospinning nozzle provided with gas ejection means4 Jun 2026US 2026/0152874 A1Jong-Su PARK
- Co-mingling of particulate material and co-axial-meltblown fibers2 Apr 2026US 2026/0092405 A1The Procter & Gamble Company
- Spinneret for multi-row coaxial spunbond and/or melt-blown type plant20 Nov 2025US 2025/0354298 A1Fratelli Ceccato Milano S.R.L.
Most cited
By later US patents
- Polyolefin-containing extrudable compositions and methods for their formation into elastomeric products including microfibers991US 4,663,220 AKimberly-Clark Corporation · 1987
- Adhesive spray gun and nozzle attachment608US 4,785,996 ANordson Corporation · 1988
- Extrusion process using a central air jet289US 4,818,464 AKimberly-Clark Corporation · 1989
- Process and apparatus for the production of nanofibers212US 6,520,425 B1The University of Akron · 2003
- Process and apparatus for the production of nanofibers176US 6,382,526 B1The University of Akron · 2002