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F23M 20/005

Noise absorbing means

Official title: {Noise absorbing means}

F23M20/005 (Noise absorbing means) appears on 260 US grants and 247 published applications in this corpus.

Search patents in F23M

Granted patents: 260
Published applications: 247
Assignees: 114
Inventors: 566
Latest grant: 15 Sep 2026

Filings by year

F23M 20/005: granted patents and published applications per publication year
Year	Granted patents	Published applications
1977	2	0
1978	1	0
1979	1	0
1980	0	0
1981	0	0
1982	1	0
1983	2	0
1984	4	0
1985	3	0
1986	2	0
1987	0	0
1988	0	0
1989	2	0
1990	3	0
1991	2	0
1992	0	0
1993	2	0
1994	4	0
1995	6	0
1996	1	0
1997	4	0
1998	3	0
1999	6	0
2000	4	0
2001	5	1
2002	5	11
2003	12	6
2004	7	6
2005	7	13
2006	6	11
2007	5	7
2008	11	9
2009	3	8
2010	7	10
2011	5	21
2012	4	12
2013	10	24
2014	19	22
2015	17	19
2016	9	16
2017	10	13
2018	13	7
2019	19	7
2020	9	6
2021	6	2
2022	6	5
2023	4	3
2024	1	7
2025	3	1
2026	4	0

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

Recent patents

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Most cited

By later US patents