D04H 1/724
Forming webs during fibre formation
Official title: forming webs during fibre formation, e.g. flash-spinning
D04H1/724 (Forming webs during fibre formation) appears on 88 US grants and 143 published applications in this corpus.
Search patents in D04H- Granted patents
- 88
- Published applications
- 143
- Assignees
- 78
- Inventors
- 329
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 4 |
| 2007 | 0 | 2 |
| 2008 | 2 | 3 |
| 2009 | 3 | 2 |
| 2010 | 3 | 3 |
| 2011 | 2 | 3 |
| 2012 | 1 | 1 |
| 2013 | 3 | 3 |
| 2014 | 0 | 8 |
| 2015 | 0 | 9 |
| 2016 | 0 | 5 |
| 2017 | 2 | 9 |
| 2018 | 2 | 11 |
| 2019 | 4 | 7 |
| 2020 | 8 | 11 |
| 2021 | 4 | 8 |
| 2022 | 2 | 15 |
| 2023 | 5 | 11 |
| 2024 | 12 | 7 |
| 2025 | 9 | 8 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Airlaid nonwoven30 Jun 2026US 12,668,902 B2Fitesa (China) Airlaid Company Limited
- Zigzag-folded nonwoven material16 Jun 2026US 12,654,122 B2Irema-Filter GmbH
- Electrostatically charged porous nonwoven web, membrane and mask derived therefrom and methods for manufacture and cleaning31 Mar 2026US 12,589,364 B2Arkema France
- Anti-propylene mask and method for preparation thereof10 Mar 2026US 12,569,705 B2Nantong Textile & Silk Ind Tech Res Inst
- Binder composition23 Dec 2025US 12,502,879 B2Rockwool A/S
- Flash fabric having high tensile resilience7 May 2026US 2026/0125834 A1Jiangsu Kingwills New Material Co., Ltd.
- Manufactureing method of lightweight melt-blown hot-melt nonwoven fabric comprising hydrophobic nano silica12 Mar 2026US 2026/0071364 A1Sam Bu Fine Chemical Co., Ltd.
- Fibrous constructs with therapeutic material particles11 Dec 2025US 2025/0375476 A1Merit Medical Systems, Inc.
- Mineral wool products23 Oct 2025US 2025/0326217 A1Rockwool A/S
- Recycling of a Shoe22 May 2025US 2025/0162203 A1adidas AG
Most cited
By later US patents
- Breathable structural web and breathable structural web-forming apparatus97US 9,877,876 B22018
- Apertured abrasive absorbent composite nonwoven web77US 5,429,854 AKimberly-Clark Corporation · 1995
- Method for producing an apertured abrasive absorbent composite nonwoven web65US 5,560,794 AKimberly-Clark Corporation · 1996
- Rotary process for forming uniform material39US 7,118,698 B2E. I. Du Pont de Nemours and Company · 2006
- Properties for flash-spun products38US 6,117,801 AE. I. Du Pont de Nemours and Company · 2000