A62D 7/00
Composition of materials for transparent parts of gas-masks, respirators, breathing bags, or
Official title: Composition of materials for transparent parts of gas-masks, respirators, breathing bags, or helmets
A62D7/00 (Composition of materials for transparent parts of gas-masks, respirators, breathing bags, or) appears on 11 US grants and 8 published applications in this corpus.
Search patents in A62D- Granted patents
- 11
- Published applications
- 8
- Assignees
- 11
- Inventors
- 17
- Latest grant
- 12 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Layered, composite lens and method of construction12 Jul 2022US 11,383,117 B2Kappler, Inc.
- Protective apparel25 Dec 2007US 7,311,102 B2The Secretary of State for Defence
- Face mask impregnated with odor reducing molecular sieve material14 Dec 1993US 5,269,294 A
- Melanin hydrophilic contact lenses16 Feb 1993US 5,187,207 APhotoprotective Technologies Incorporated
- Melanin hydrophilic contact lenses26 May 1992US 5,116,884 APhotoprotective Technology Incorporated
- Decontaminating materials and methods of making and using same11 Sep 2025US 2025/0281876 A1Teledyne FLIR Defense, Inc.
- Full-cover face filter mask14 Oct 2021US 2021/0315292 A1Mei Sin Electronics Co., Ltd.
- Layered, composite lens and method of construction2 Apr 2020US 2020/0101341 A1Kappler, Inc.
- Protective mask22 Mar 2018US 2018/0078796 A1Koken Co., Ltd.
- Protective apparel31 Jul 2008US 2008/0178876 A1
Most cited
By later US patents
- Optical lens system incorporating melanin as an absorbing pigment for protection against electromagnetic radiation33US 4,698,374 A1987
- Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation33US 5,047,447 APhotoprotecive Technologies Incorporated · 1991
- Medium incorporating melanin as an absorbing pigment against electromagnetic radiation29US 5,112,883 APhotoprotective Technologies Incorporated · 1992
- Protective pillow assembly25US 4,523,588 ALife Products, Inc. · 1985
- Face mask impregnated with odor reducing molecular sieve material24US 5,269,294 A1993