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B21D 5/0236

Tool clamping

Official title: {Tool clamping}

B21D5/0236 (Tool clamping) appears on 105 US grants and 80 published applications in this corpus.

Search patents in B21D

Granted patents: 105
Published applications: 80
Assignees: 41
Inventors: 129
Latest grant: 24 Feb 2026

Filings by year

B21D 5/0236: granted patents and published applications per publication year
Year	Granted patents	Published applications
1982	1	0
1983	0	0
1984	0	0
1985	3	0
1986	1	0
1987	0	0
1988	3	0
1989	1	0
1990	2	0
1991	4	0
1992	1	0
1993	1	0
1994	0	0
1995	2	0
1996	5	0
1997	3	0
1998	2	0
1999	1	0
2000	2	0
2001	1	1
2002	4	4
2003	8	7
2004	5	6
2005	2	5
2006	7	3
2007	1	2
2008	1	0
2009	0	0
2010	0	0
2011	0	2
2012	0	1
2013	1	3
2014	1	1
2015	3	3
2016	2	4
2017	2	5
2018	2	4
2019	7	3
2020	2	2
2021	5	6
2022	2	6
2023	2	7
2024	6	4
2025	8	1
2026	1	0

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

Subgroups

Granted patents

B21D 5/0245Fluid operated5

Recent patents

Bending system, and divided tool arrangement method24 Feb 2026US 12,558,717 B2Amada Company, Limited
Clamping system for a press brake comprising two internally interconnected cavities, press brake comprising such a clamping system, and method of manufacturing an elongate beam for such a clamping system11 Nov 2025US 12,465,968 B2Wila B.V.
Method for installing divided upper tool to upper tool holder provided on upper table of press brake, tool changer, and tool stocker14 Oct 2025US 12,440,881 B2Amada Company, Limited
Clamping system for a press brake having an integrally formed cavity or chamber and press brake comprising such a clamping system22 Jul 2025US 12,365,018 B2Wila B.V.
Clamping system for a press brake having a first biasing means acting on an actuating member and press brake comprising such a clamping system10 Jun 2025US 12,325,057 B2Wila B.V.

Most cited

By later US patents