D04H 1/4318
Fluorine series
D04H1/4318 (Fluorine series) appears on 62 US grants and 96 published applications in this corpus.
Search patents in D04H- Granted patents
- 62
- Published applications
- 96
- Assignees
- 63
- Inventors
- 221
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 4 |
| 2003 | 2 | 6 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 0 | 6 |
| 2007 | 1 | 3 |
| 2008 | 2 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 3 |
| 2016 | 1 | 10 |
| 2017 | 0 | 6 |
| 2018 | 3 | 3 |
| 2019 | 1 | 2 |
| 2020 | 4 | 3 |
| 2021 | 2 | 2 |
| 2022 | 2 | 4 |
| 2023 | 1 | 6 |
| 2024 | 2 | 7 |
| 2025 | 3 | 6 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Medical material and product and preparation method thereof8 Sep 2026US 12,728,182 B2Peking University School of Stomatology
- Fluoropolymer fiber-bonding agent and articles produced therewith14 Apr 2026US 12,601,092 B2Arkema Inc.
- Electrostatically charged porous nonwoven web, membrane and mask derived therefrom and methods for manufacture and cleaning31 Mar 2026US 12,589,364 B2Arkema France
- Electrospun film, method for manufacturing the same and use of such electrospun film30 Dec 2025US 12,509,799 B2City University of Hong Kong
- Enhanced flash evaporation/electrospinning composite spinning equipment21 Oct 2025US 12,448,709 B2Shanghai Xunjiang Technology Co., Ltd.
- Fiber article8 Oct 2026US 2026/0308825 A1Daicel Corporation
- Electrospun fibers and use thereof6 Aug 2026US 2026/0226663 A1Nanospun Technologies Ltd.
- Method for manufacturing sound-absorbing and heat-insulating composite fabric, and sound-absorbing and heat-insulating composite fabric manufactured thereby23 Jul 2026US 2026/0208682 A1Amogreentech Co., Ltd.
- Using titanium dioxide nanofibers to create air-cleaning and dust-proof windows12 Mar 2026US 2026/0070308 A1Clearchang
- Scaffold materials for artificial dermal layer26 Feb 2026US 2026/0053982 A1VitroLabs Inc
Most cited
By later US patents
- Porpous PTFE film and a manufacturing method therefor264US 5,476,589 AW. L. Gore & Associates, Inc. · 1995
- Porous fluoropolymeric fibrous sheet and method of manufacture100US 4,127,706 AImperial Chemical Industries PLC · 1978
- Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid74US 6,406,657 B13M Innovative Properties Company · 2002
- Electret fibers having improved charge stability, process for the production thereof and textile material containing these electret fibers.63US 5,871,845 AHiecgst Aktiengesellshat · 1999
- Process of making a fibrous electret web50US 6,824,718 B23M Innovative Properties Company · 2004