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B21F 99/00

Subject matter not provided for in other groups of this subclass

B21F99/00 (Subject matter not provided for in other groups of this subclass) appears on 65 US grants and 59 published applications in this corpus.

Search patents in B21F

Granted patents: 65
Published applications: 59
Assignees: 52
Inventors: 130
Latest grant: 22 Jun 2021

Filings by year

B21F 99/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1978	1	0
1979	0	0
1980	0	0
1981	0	0
1982	0	0
1983	0	0
1984	1	0
1985	0	0
1986	0	0
1987	2	0
1988	1	0
1989	1	0
1990	0	0
1991	0	0
1992	0	0
1993	2	0
1994	2	0
1995	2	0
1996	2	0
1997	0	0
1998	3	0
1999	0	0
2000	2	0
2001	0	0
2002	2	1
2003	0	3
2004	3	5
2005	1	5
2006	3	3
2007	2	2
2008	1	5
2009	3	2
2010	1	2
2011	2	7
2012	4	4
2013	4	4
2014	2	2
2015	2	4
2016	0	2
2017	5	5
2018	3	2
2019	2	1
2020	3	0
2021	3	0

By publication year. Applications have been published since 2001.

Recent patents

Heat treatment of helical springs or similarly shaped articles by electric resistance heating22 Jun 2021US 11,044,788 B2Radyne Corporation
Manufacturing method and manufacturing device for composite cross-section member2 Feb 2021US 10,906,079 B2Kobe Steel, Ltd.
Wire thread insert with redressable mounting tang as well as its manufacturing and installation5 Jan 2021US 10,883,527 B2Böllhoff Verbindungstechnik GmbH
Wire thread insert with redressable mounting tang as well as its manufacturing and installation15 Sep 2020US 10,774,868 B2Böllhoff Verbindungstechnik GmbH
Wire thread insert with redress mounting tang as well as its manufacturing and installation7 Jul 2020US 10,704,589 B2Böllhoff Verbindungstechnik GmbH

Most cited

By later US patents