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G03B 27/326

Enlargers

Official title: {Enlargers (G03B27/34 - G03B27/70 take precedence)}

G03B27/326 (Enlargers) appears on 29 US grants and 2 published applications in this corpus.

Search patents in G03B

Granted patents: 29
Published applications: 2
Assignees: 11
Inventors: 51
Latest grant: 1 Sep 2020

Filings by year

G03B 27/326: granted patents and published applications per publication year
Year	Granted patents	Published applications
1977	1	0
1978	1	0
1979	1	0
1980	1	0
1981	3	0
1982	1	0
1983	0	0
1984	2	0
1985	6	0
1986	3	0
1987	1	0
1988	0	0
1989	0	0
1990	1	0
1991	1	0
1992	1	0
1993	1	0
1994	0	0
1995	0	0
1996	0	0
1997	2	0
1998	1	0
1999	0	0
2000	0	0
2001	1	0
2002	0	0
2003	0	0
2004	0	1
2005	0	0
2006	0	0
2007	0	0
2008	0	0
2009	0	0
2010	0	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	0
2016	0	0
2017	0	0
2018	0	0
2019	0	0
2020	1	1

By publication year. Applications have been published since 2001.

Recent patents

Enlarger for digital photographs on photographic paper utilizing a software application1 Sep 2020US 10,764,451 B2Charles Beseler Company
Printer using printing sheet to which photosensitive microcapsule is applied and printing system using printer24 Jul 2001US 6,266,135 B1Seiko Instruments Inc.
Shading correction method, photographic printer and index print production apparatus27 Oct 1998US 5,828,441 AFuji Photo Film Co., Ltd.
Shading correction method, photographic printer and index print production apparatus30 Dec 1997US 5,703,671 AFuji Photo Film Co., Ltd.
Projection apparatus18 Feb 1997US 5,603,560 ACanon Kabushiki Kaisha

Most cited

By later US patents