C22B 7/00

Working up raw materials other than ores

Official title: Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; {Methods of a general interest or applied to the winning of more than two metals (briquetting of scrap C22B1/248; preliminary treatment of scrap C22B1/005)}

C22B7/00 (Working up raw materials other than ores) appears on 2,624 US grants and 2,848 published applications in this corpus.

Search patents in C22B

Granted patents: 2,624
Published applications: 2,848
Assignees: 1,835
Inventors: 7,187
Latest grant: 6 Oct 2026

Filings by year

C22B 7/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	19	0
1977	50	0
1978	33	0
1979	23	0
1980	27	0
1981	32	0
1982	27	0
1983	40	0
1984	40	0
1985	38	0
1986	41	0
1987	38	0
1988	32	0
1989	34	0
1990	26	0
1991	19	0
1992	29	0
1993	26	0
1994	35	0
1995	37	0
1996	48	0
1997	37	0
1998	62	0
1999	59	0
2000	58	0
2001	56	15
2002	67	48
2003	49	59
2004	37	74
2005	40	51
2006	27	51
2007	26	59
2008	24	69
2009	38	90
2010	73	115
2011	68	96
2012	74	90
2013	67	85
2014	60	69
2015	65	118
2016	71	108
2017	87	99
2018	71	82
2019	96	85
2020	71	91
2021	53	115
2022	69	155
2023	72	222
2024	119	296
2025	135	276
2026	99	230

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

Working up raw materials other than ores

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