A41D 31/305
Using layered materials
Official title: {using layered materials}
A41D31/305 (Using layered materials) appears on 142 US grants and 286 published applications in this corpus.
Search patents in A41D- Granted patents
- 142
- Published applications
- 286
- Assignees
- 140
- Inventors
- 492
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 3 | 6 |
| 2004 | 2 | 11 |
| 2005 | 3 | 11 |
| 2006 | 1 | 6 |
| 2007 | 2 | 14 |
| 2008 | 1 | 15 |
| 2009 | 3 | 12 |
| 2010 | 5 | 13 |
| 2011 | 1 | 9 |
| 2012 | 5 | 16 |
| 2013 | 3 | 8 |
| 2014 | 6 | 18 |
| 2015 | 7 | 11 |
| 2016 | 8 | 9 |
| 2017 | 3 | 14 |
| 2018 | 5 | 7 |
| 2019 | 4 | 7 |
| 2020 | 6 | 10 |
| 2021 | 7 | 28 |
| 2022 | 10 | 31 |
| 2023 | 8 | 11 |
| 2024 | 12 | 8 |
| 2025 | 7 | 4 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Visual alert system for use with safety barriers and methods of making the same22 Sep 2026US 12,740,844 B2BioBarrier, Inc.
- System and method for absorbing moisture within a face mask8 Sep 2026US 12,727,632 B2Honeywell Safety Products USA, Inc.
- Smart article visual communication based on facial movement8 Sep 2026US 12,727,634 B2NantWorks, LLC
- Protective garment having water and oil resistance11 Aug 2026US 12,702,175 B2Burlington Industries, Inc.
- Antiviral mask and antiviral filter made from a breathable microporous polymeric membrane12 May 2026US 12,622,474 B2University of Kentucky Research Foundation
- Barrier for hindering microbial transfer and method of manufacturing30 Jul 2026US 2026/0215524 A1The Governing Council of the University of Toronto
- Garments, gloves and personal protective equipment enchanced with metal nanoparticle agglomerates21 May 2026US 2026/0137145 A1
- Active force electric field anti-pathogenic fabric and associated method of fabrication26 Mar 2026US 2026/0083991 A1Florida A&M University
- Film laminate, method for manufacturing film laminate, protective equipment, and method for manufacturing protective equipment20 Nov 2025US 2025/0351900 A1Dexerials Corporation
- Moisture management upper torso garments23 Oct 2025US 2025/0325059 A1HBI Branded Apparel Enterprises, LLC
Most cited
By later US patents
- Infection-resistant compositions, medical devices and surfaces and methods for preparing and using same910US 5,019,096 AThe Trustees of Columbia University in the City of New York · 1991
- Infection-resistant compositions, medical devices and surfaces and methods for preparing and using same309US 5,616,338 AThe Trustees of Columbia University in the City of New York · 1997
- Breathable non-woven composite barrier fabric and fabrication process115US 5,409,761 AKappler Safety Group · 1995
- Surface topographies for non-toxic bioadhesion control107US 9,016,221 B2University of Florida Research Foundation, Inc. · 2015
- Breathable non-woven composite barrier fabric and fabrication process106US 5,560,974 AKappler Safety Group · 1996