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B41J 2/16552

Using cleaning fluids

Official title: {using cleaning fluids}

B41J2/16552 (Using cleaning fluids) appears on 914 US grants and 1,039 published applications in this corpus.

Search patents in B41J

Granted patents: 914
Published applications: 1,039
Assignees: 210
Inventors: 1,756
Latest grant: 6 Oct 2026

Filings by year

B41J 2/16552: granted patents and published applications per publication year
Year	Granted patents	Published applications
1977	1	0
1978	0	0
1979	0	0
1980	1	0
1981	1	0
1982	1	0
1983	2	0
1984	2	0
1985	3	0
1986	5	0
1987	0	0
1988	2	0
1989	3	0
1990	5	0
1991	3	0
1992	3	0
1993	3	0
1994	3	0
1995	2	0
1996	11	0
1997	4	0
1998	7	0
1999	14	0
2000	9	0
2001	26	2
2002	22	22
2003	25	18
2004	16	29
2005	15	37
2006	24	28
2007	19	32
2008	26	42
2009	19	34
2010	29	30
2011	24	31
2012	22	27
2013	31	38
2014	42	31
2015	35	26
2016	35	38
2017	27	47
2018	42	47
2019	46	54
2020	56	53
2021	37	55
2022	31	68
2023	36	48
2024	43	79
2025	55	76
2026	46	47

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

Subgroups

Granted patents

Recent patents

Ink jet recording apparatus including blade for cleaning nozzle surface6 Oct 2026US 12,752,538 B2KYOCERA Document Solutions Inc.
Inkjet printing device6 Oct 2026US 12,752,549 B2Makeblock Co., Ltd.
Maintenance device and inkjet recording apparatus22 Sep 2026US 12,741,465 B2KYOCERA Document Solutions Inc.
Maintenance method and image recording device22 Sep 2026US 12,741,467 B2Brother Kogyo Kabushiki Kaisha
Cleaning device for liquid jet head and liquid jet recording apparatus15 Sep 2026US 12,734,809 B2Sii Printek Inc.

Most cited

By later US patents