A47J 31/0631

With means for better or quicker spreading the infusion liquid over the

Official title: {with means for better or quicker spreading the infusion liquid over the filter (spreader plates for drip coffee makers A47J31/4478)}

A47J31/0631 (With means for better or quicker spreading the infusion liquid over the) appears on 60 US grants and 80 published applications in this corpus.

Search patents in A47J

Granted patents: 60
Published applications: 80
Assignees: 54
Inventors: 172
Latest grant: 8 Sep 2026

Filings by year

A47J 31/0631: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	0	0
1978	2	0
1979	0	0
1980	0	0
1981	0	0
1982	0	0
1983	0	0
1984	0	0
1985	0	0
1986	0	0
1987	1	0
1988	1	0
1989	0	0
1990	0	0
1991	2	0
1992	0	0
1993	1	0
1994	2	0
1995	0	0
1996	1	0
1997	0	0
1998	0	0
1999	2	0
2000	0	0
2001	1	2
2002	3	1
2003	0	0
2004	1	2
2005	0	2
2006	1	2
2007	0	2
2008	2	0
2009	0	2
2010	2	0
2011	3	2
2012	0	1
2013	0	1
2014	2	2
2015	0	2
2016	2	4
2017	3	7
2018	4	3
2019	4	4
2020	5	2
2021	2	8
2022	1	7
2023	2	5
2024	3	8
2025	3	2
2026	2	9

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

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