G03B 21/58
Collapsible
Official title: collapsible, e.g. foldable; of variable area
G03B21/58 (Collapsible) appears on 357 US grants and 371 published applications in this corpus.
Search patents in G03B- Granted patents
- 357
- Published applications
- 371
- Assignees
- 221
- Inventors
- 722
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 2 |
| 2003 | 4 | 3 |
| 2004 | 3 | 4 |
| 2005 | 4 | 6 |
| 2006 | 5 | 10 |
| 2007 | 3 | 16 |
| 2008 | 12 | 14 |
| 2009 | 10 | 19 |
| 2010 | 7 | 12 |
| 2011 | 23 | 20 |
| 2012 | 19 | 25 |
| 2013 | 14 | 11 |
| 2014 | 13 | 9 |
| 2015 | 17 | 19 |
| 2016 | 10 | 14 |
| 2017 | 18 | 25 |
| 2018 | 17 | 16 |
| 2019 | 23 | 32 |
| 2020 | 28 | 17 |
| 2021 | 11 | 22 |
| 2022 | 11 | 18 |
| 2023 | 10 | 17 |
| 2024 | 16 | 11 |
| 2025 | 11 | 13 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Display device, remote control device and display system25 Aug 2026US 12,720,006 B2LG Electronics Inc.
- Adjustable inflatable structures using silver-coated twisted coil polymer fibers9 Jun 2026US 12,650,639 B2Toyota Jidosha Kabushiki Kaisha
- Screen unit, method for assembling screen unit, and method for disassembling screen unit12 May 2026US 12,625,422 B2Yamaha Corporation
- Projector assembly5 May 2026US 12,619,139 B1
- Information display system having acute-angled diffusion characteristics and image light control film used for the same14 Apr 2026US 12,601,967 B2Maxell, Ltd.
- Folding support member and folding screen1 Oct 2026US 2026/0299395 A1Seiko Epson Corporation
- Projection device and projection method for projecting images24 Sep 2026US 2026/0287988 A1Samsung Electronics Co., Ltd.
- Multiuser HUD for a Vehicle With an Accurate and Low-Loss Reflective Screen in the Projector-Based Imager17 Sep 2026US 2026/0276987 A1Bayerische Motoren Werke Aktiengesellschaft
- Stretching apparatus17 Sep 2026US 2026/0277091 A1DENSO TEN Limited
- 3d-enabled high-brightness metal screen device13 Aug 2026US 2026/0235943 A1
Most cited
By later US patents
- Multi-pieced, portable projection dome and method of assembling the same71US 5,724,775 AAlternate Realities Corporation · 1998
- Video projection screen assembly67US 6,191,886 B1Vutec Corporation · 2001
- Movable projection screen hanger with steadfast clips63US 6,336,616 B12002
- Portable projection screen52US 4,017,152 A1977
- Battery operated projection screen with spring assisted roller and replaceable fascia51US 5,274,499 ADraper Shade & Screen Co., Inc. · 1993