G03B 21/003
Cine-projectors
Official title: {Cine-projectors}
G03B21/003 (Cine-projectors) appears on 37 US grants and 39 published applications in this corpus.
Search patents in G03B- Granted patents
- 37
- Published applications
- 39
- Assignees
- 22
- Inventors
- 56
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 9 |
| 2015 | 1 | 4 |
| 2016 | 4 | 1 |
| 2017 | 4 | 8 |
| 2018 | 4 | 5 |
| 2019 | 2 | 2 |
| 2020 | 3 | 3 |
| 2021 | 2 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Lightweight rigid mirror and a method of producing a lightweight rigid mirror5 Aug 2025US 12,379,532 B2Flightsafety International Inc.
- Display device27 May 2025US 12,313,846 B2Alps Alpine Co., Ltd.
- Universally adjusting ultra short throw projector credenza11 Oct 2022US 11,466,812 B1
- Polarizing preserving front projection screen with protrusions18 Jan 2022US 11,226,548 B2RealD Inc.
- Calibration step for use in connection with method and system for creating wide-screen picture-dominance effect in a conventional motion-picture theater26 Oct 2021US 11,159,764 B2
- Lightweight rigid mirror and a method of producing a lightweight rigid mirror10 Nov 2022US 2022/0357490 A1Flightsafety International Inc.
- Display device29 Sep 2022US 2022/0308348 A1Alps Alpine Co., Ltd.
- Calibration Step for use in Connection with Method and System for Creating Wide-Screen Picture-Dominance Effect in a Conventional Motion-Picture Theater22 Jul 2021US 2021/0227172 A1
- Polarizing preserving front projection screen with protrusions10 Dec 2020US 2020/0387062 A1RealD Inc.
- Projection device26 Nov 2020US 2020/0371411 A1Coretronic Corporation
Most cited
By later US patents
- Process for recording and reproducing images14US 3,978,500 A1976
- Multi-projection system and method comprising direction-changeable audience seats13US 9,261,762 B2Cj Cgv Co., Ltd. · 2016
- Multi-projection system12US 8,714,746 B2Cj Cgv Co., Ltd. · 2014
- Multi-projection system for extending visual element of main image10US 9,436,076 B2Cj Cgv Co., Ltd. · 2016
- Additional effect system and method for multi-projection10US 9,442,361 B2Cj Cgv Co., Ltd. · 2016