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G03B 21/145

Housing details

Official title: {Housing details, e.g. position adjustments thereof}

G03B21/145 (Housing details) appears on 1,276 US grants and 1,634 published applications in this corpus.

Search patents in G03B

Granted patents: 1,276
Published applications: 1,634
Assignees: 414
Inventors: 2,511
Latest grant: 29 Sep 2026

Filings by year

G03B 21/145: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	1	0
1977	0	0
1978	0	0
1979	0	0
1980	0	0
1981	0	0
1982	0	0
1983	0	0
1984	1	0
1985	2	0
1986	1	0
1987	1	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	1	0
1993	1	0
1994	2	0
1995	1	0
1996	2	0
1997	5	0
1998	4	0
1999	5	0
2000	3	0
2001	5	2
2002	9	15
2003	9	13
2004	16	26
2005	12	29
2006	37	78
2007	24	68
2008	21	40
2009	24	45
2010	44	37
2011	41	69
2012	29	62
2013	34	55
2014	48	60
2015	56	81
2016	75	99
2017	85	68
2018	75	89
2019	94	118
2020	106	115
2021	90	113
2022	97	83
2023	71	73
2024	42	66
2025	59	70
2026	43	60

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Projection apparatus29 Sep 2026US 12,748,346 B1Guangzhou Lihe Electronic Technology Co., Ltd.
Light source device and projector15 Sep 2026US 12,736,862 B2Seiko Epson Corporation
Projection device8 Sep 2026US 12,730,365 B2Seiko Epson Corporation
Angle-adjustable projection mechanism and projector25 Aug 2026US 12,717,218 B2Zhongshan Bolang Electronic Technology Co., Ltd.
Position adjustment apparatus and projection system25 Aug 2026US 12,717,220 B2Seiko Epson Corporation

Most cited

By later US patents