G03B 21/64
Means for mounting individual pictures to be projected
Official title: Means for mounting individual pictures to be projected, e.g. frame for transparency
G03B21/64 (Means for mounting individual pictures to be projected) appears on 178 US grants and 33 published applications in this corpus.
Search patents in G03B- Granted patents
- 178
- Published applications
- 33
- Assignees
- 68
- Inventors
- 195
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 11 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 1 |
| 2003 | 3 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 3 | 2 |
| 2017 | 0 | 4 |
| 2018 | 4 | 5 |
| 2019 | 3 | 2 |
| 2020 | 3 | 5 |
| 2021 | 5 | 2 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Structured light projection system23 Jun 2026US 12,663,703 B2Quanta Computer Inc.
- Plug-in film structure and projection lamp thereof19 May 2026US 12,631,947 B2
- Overhead frame corners20 Sep 2022US 11,448,953 B2
- Projection screen and projection system13 Sep 2022US 11,442,354 B2Hisense Laser Display Co., Ltd
- Optical module and projection device8 Mar 2022US 11,269,243 B2Coretronic Corporation
- Novel Plug-in Film Structure and Projection Lamp Thereof12 Mar 2026US 2026/0072334 A1
- Multifunctional Image Mapping Device28 Aug 2025US 2025/0271747 A1
- Structured light projection system16 Jan 2025US 2025/0020988 A1Quanta Computer Inc.
- Optical module and projection device28 Oct 2021US 2021/0333695 A1Coretronic Corporation
- Projection screen and projection system10 Jun 2021US 2021/0173293 A1Hisense Laser Display Co., Ltd
Most cited
By later US patents
- Optical systems for displays52US 5,666,175 AKopin Corporation · 1997
- Baseball card storage and display device41US 5,186,566 A1993
- Information recording carrier-holding frame24US 4,691,826 ASlidex Corporation · 1987
- Information recording carrier-holding sheet23US 4,724,956 ASlidex Corporation · 1988
- Slide frame22US 4,104,818 ABonum-Werk Inh. Friedrich Hetzmannseder · 1978