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C22C 38/52

With cobalt

Official title: with cobalt

C22C38/52 (With cobalt) appears on 652 US grants and 1,009 published applications in this corpus.

Search patents in C22C

Granted patents: 652
Published applications: 1,009
Assignees: 351
Inventors: 1,852
Latest grant: 22 Sep 2026

Filings by year

C22C 38/52: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	4	0
1977	3	0
1978	4	0
1979	2	0
1980	2	0
1981	2	0
1982	1	0
1983	1	0
1984	1	0
1985	2	0
1986	0	0
1987	1	0
1988	1	0
1989	1	0
1990	0	0
1991	2	0
1992	3	0
1993	5	0
1994	6	0
1995	2	0
1996	4	0
1997	2	0
1998	1	0
1999	5	0
2000	7	0
2001	8	3
2002	22	18
2003	9	17
2004	16	13
2005	5	13
2006	2	8
2007	10	10
2008	1	10
2009	3	17
2010	10	18
2011	5	14
2012	13	18
2013	7	28
2014	14	33
2015	15	57
2016	23	56
2017	25	54
2018	29	59
2019	55	77
2020	45	59
2021	47	72
2022	48	69
2023	39	81
2024	47	73
2025	52	74
2026	40	58

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

Recent patents

Weld structure, stainless steel welded structure, stainless steel welded container and stainless steel22 Sep 2026US 12,741,344 B2Nippon Steel Stainless Steel Corporation
High-strength stainless steel seamless pipe for oil country tubular goods and method for manufacturing same22 Sep 2026US 12,742,221 B2Jfe Steel Corporation
Duplex stainless steel pipe22 Sep 2026US 12,742,233 B2Nippon Steel Corporation
Steel sheet, coated steel sheet, method for producing hot-rolled steel sheet, method for producing cold-rolled full hard steel sheet, method for producing heat-treated steel sheet, method for producing steel sheet, and method for producing coated steel sheet15 Sep 2026US 12,735,759 B2Jfe Steel Corporation
Austenitic stainless steel weld joint8 Sep 2026US 12,729,421 B2Nippon Steel Corporation

Most cited

By later US patents