G03G 15/23

Specially adapted for copying both sides of an original or for copying

Official title: specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material

G03G15/23 (Specially adapted for copying both sides of an original or for copying) appears on 1,819 US grants and 1,256 published applications in this corpus.

Search patents in G03G

Granted patents: 1,819
Published applications: 1,256
Assignees: 150
Inventors: 2,933
Latest grant: 1 Sep 2026

Filings by year

G03G 15/23: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	9	0
1977	4	0
1978	12	0
1979	12	0
1980	20	0
1981	10	0
1982	10	0
1983	4	0
1984	11	0
1985	12	0
1986	11	0
1987	38	0
1988	37	0
1989	42	0
1990	54	0
1991	51	0
1992	55	0
1993	33	0
1994	31	0
1995	26	0
1996	37	0
1997	29	0
1998	55	0
1999	50	0
2000	39	0
2001	45	14
2002	50	33
2003	42	53
2004	39	35
2005	28	36
2006	28	65
2007	24	68
2008	39	60
2009	41	65
2010	42	96
2011	50	90
2012	66	74
2013	82	50
2014	90	41
2015	63	49
2016	55	48
2017	42	64
2018	52	42
2019	51	39
2020	35	52
2021	35	43
2022	43	28
2023	26	33
2024	31	25
2025	20	26
2026	8	27

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

Subgroups

Granted patents

G03G 15/231Arrangements for copying on both sides of a recording or image-receiving material1,630

Recent patents

Most cited

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