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B60R 21/2644

Using only solid reacting substances

Official title: {using only solid reacting substances, e.g. pellets, powder}

B60R21/2644 (Using only solid reacting substances) appears on 1,041 US grants and 628 published applications in this corpus.

Search patents in B60R

Granted patents: 1,041
Published applications: 628
Assignees: 207
Inventors: 1,183
Latest grant: 1 Sep 2026

Filings by year

B60R 21/2644: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	11	0
1977	4	0
1978	4	0
1979	3	0
1980	2	0
1981	3	0
1982	3	0
1983	4	0
1984	1	0
1985	3	0
1986	2	0
1987	3	0
1988	2	0
1989	9	0
1990	10	0
1991	20	0
1992	18	0
1993	31	0
1994	27	0
1995	35	0
1996	58	0
1997	39	0
1998	45	0
1999	29	0
2000	45	0
2001	50	15
2002	38	37
2003	35	51
2004	26	53
2005	46	58
2006	34	43
2007	27	40
2008	33	20
2009	23	21
2010	36	28
2011	22	26
2012	23	20
2013	23	24
2014	32	14
2015	20	8
2016	16	15
2017	12	18
2018	14	9
2019	10	21
2020	19	25
2021	19	14
2022	15	16
2023	15	10
2024	15	20
2025	17	16
2026	10	6

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

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