A61F 9/061
With movable shutters
Official title: {with movable shutters, e.g. filter discs; Actuating means therefor}
A61F9/061 (With movable shutters) appears on 113 US grants and 103 published applications in this corpus.
Search patents in A61F- Granted patents
- 113
- Published applications
- 103
- Assignees
- 37
- Inventors
- 145
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 6 |
| 2007 | 0 | 3 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 6 |
| 2014 | 4 | 0 |
| 2015 | 3 | 4 |
| 2016 | 2 | 5 |
| 2017 | 2 | 12 |
| 2018 | 7 | 7 |
| 2019 | 9 | 9 |
| 2020 | 7 | 7 |
| 2021 | 7 | 8 |
| 2022 | 5 | 8 |
| 2023 | 4 | 2 |
| 2024 | 3 | 5 |
| 2025 | 5 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Welding-type headwear with enhanced movement and soft close23 Jun 2026US 12,661,268 B2Illinois Tool Works Inc.
- Ophthalmic shield and therapeutic method21 Apr 2026US 12,605,288 B2Ocular Surface Innovations Inc.
- Smart welding helmets with arc time tracking verification and lens maintenance detection7 Oct 2025US 12,433,792 B2Illinois Tool Works Inc.
- Automatic darkening filter with simplified set-up17 Jun 2025US 12,329,689 B23M Innovative Properties Company
- Eyewear docking station and electronic module8 Apr 2025US 12,271,056 B2e-Vision Smart Optics, Inc.
- Flexible welding helmet24 Sep 2026US 2026/0283851 A1Tecmen Electronics Co., Ltd.
- Ophthalmic shield and therapeutic method16 Jul 2026US 2026/0199142 A1Ocular Surface Innovations Inc.
- Automatic darkening filter with simplified set-up11 Sep 2025US 2025/0281331 A13M Innovative Properties Company
- Mobile roll curtain for a welding table24 Jul 2025US 2025/0235354 A1Lincoln Global.Inc.
- Eyewear docking station and electronic module17 Jul 2025US 2025/0231427 A1e-Vision Smart Optics, Inc.
Most cited
By later US patents
- Electro-active intraocular lenses109US 8,778,022 B2e-Vision Smart Optics, Inc. · 2014
- Electro-optic welding lens assembly using multiple liquid crystal light shutters and polarizers103US 4,039,254 A1977
- Eyewear including a remote control camera71US 9,124,796 B2e-Vision Smart Optics, Inc. · 2015
- Eye protection device for welding helmets which reduces obliquely incident light65US 5,515,186 AOSD Envizion Company · 1996
- Welding helmet with conical pivoting mechanism for head gear strap59US 6,260,197 B1Jackson Products, Inc. · 2001