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B23B 2251/70

Drills with vibration suppressing means

B23B2251/70 (Drills with vibration suppressing means) appears on 26 US grants and 35 published applications in this corpus.

Search patents in B23B

Granted patents: 26
Published applications: 35
Assignees: 19
Inventors: 53
Latest grant: 1 Sep 2026

Filings by year

B23B 2251/70: granted patents and published applications per publication year
Year	Granted patents	Published applications
2003	0	1
2004	0	0
2005	0	0
2006	1	1
2007	0	0
2008	0	2
2009	1	3
2010	0	0
2011	0	4
2012	1	1
2013	0	0
2014	2	1
2015	2	1
2016	0	3
2017	2	3
2018	5	4
2019	2	1
2020	3	0
2021	2	3
2022	0	1
2023	1	2
2024	1	2
2025	1	1
2026	2	1

By publication year. 2026 runs to 8 Oct.

Recent patents

Multi-step drill with asymmetric step profiles1 Sep 2026US 12,722,211 B2
Active piezoelectric tool, active piezoelectric device and operating method of the active piezoelectric tool2 Jun 2026US 12,643,156 B2Nuovo Pignone Tecnologie Srl
Rotary cutting tool with tunable vibration absorber assembly for suppressing torsional vibration4 Mar 2025US 12,240,046 B2Kennametal Inc.
Tool holder having anti-vibration arrangement and cutting tool provided with tool holder1 Oct 2024US 12,103,091 B2Iscar, Ltd.
Rotary cutting tool with tunable vibration absorber assembly for suppressing torsional vibration4 Jul 2023US 11,691,205 B2Kennametal Inc.

Most cited

By later US patents