G03B 21/30
Adapted to collapse or fold
Official title: adapted to collapse or fold, e.g. for portability
G03B21/30 (Adapted to collapse or fold) appears on 169 US grants and 127 published applications in this corpus.
Search patents in G03B- Granted patents
- 169
- Published applications
- 127
- Assignees
- 98
- Inventors
- 377
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 1 |
| 2003 | 2 | 3 |
| 2004 | 3 | 1 |
| 2005 | 1 | 10 |
| 2006 | 8 | 4 |
| 2007 | 1 | 3 |
| 2008 | 2 | 7 |
| 2009 | 1 | 5 |
| 2010 | 3 | 7 |
| 2011 | 5 | 9 |
| 2012 | 3 | 7 |
| 2013 | 6 | 4 |
| 2014 | 10 | 4 |
| 2015 | 7 | 10 |
| 2016 | 10 | 8 |
| 2017 | 5 | 7 |
| 2018 | 6 | 7 |
| 2019 | 6 | 2 |
| 2020 | 3 | 3 |
| 2021 | 3 | 14 |
| 2022 | 7 | 3 |
| 2023 | 5 | 3 |
| 2024 | 5 | 1 |
| 2025 | 4 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Encasement apparatus and projection system17 Feb 2026US 12,554,184 B2Casio Computer Co., Ltd.
- Vehicle projector device, vehicle cabin system comprising same, and method for adjusting projection image position15 Jul 2025US 12,363,265 B2LG Electronics Inc.
- Projection lens8 Apr 2025US 12,271,050 B2FUJIFILM Corporation
- Projector with rotatable projection lens4 Feb 2025US 12,216,391 B2FUJIFILM Corporation
- Projection apparatus that performs rotation correction4 Feb 2025US 12,219,296 B2FUJIFILM Corporation
- Device for arranging a projector relative to a screen30 Jul 2026US 2026/0219561 A1
- Foldable projector23 Jul 2026US 2026/0211305 A1Shenzhen Neutop Optoelectronics Co., Ltd
- Projection device and method of operating the same18 Dec 2025US 2025/0383593 A1Samsung Electronics Co., Ltd.
- Portable handheld projection system with connector module13 Mar 2025US 2025/0085620 A1
- Projector with rotatable projection lens18 Apr 2024US 2024/0126155 A1FUJIFILM Corporation
Most cited
By later US patents
- Electro-optical display system for visually displaying polarized spatially multiplexed images of 3-D objects for use in stereoscopically viewing the same with high image quality and resolution171US 5,537,144 ARevfo, Inc. · 1996
- Stereoscopic 3-D viewing system and glasses having electrooptical shutters controlled by control signals produced using horizontal pulse detection within the vertical synchronization pulse period of computer generated video signals131US 5,821,989 AVrex, Inc. · 1998
- Stereoscopic 3-d viewing system with portable electro-optical viewing glasses and shutter-state control signal transmitter having multiple modes of operation for stereoscopic viewing of 3-d images displayed in different stereoscopic image formats78US 6,456,432 B1Reveo, Inc. · 2002
- Portable visual display device with a collapsible presentation screen71US 6,466,369 B12002
- Image display systems having direct and projection viewing modes69US 5,680,233 AReveo, Inc. · 1997