B23B 29/12
Special arrangements on tool holders
B23B29/12 (Special arrangements on tool holders) appears on 238 US grants and 277 published applications in this corpus.
Search patents in B23B- Granted patents
- 238
- Published applications
- 277
- Assignees
- 167
- Inventors
- 493
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 4 |
| 2003 | 4 | 3 |
| 2004 | 5 | 4 |
| 2005 | 3 | 2 |
| 2006 | 2 | 10 |
| 2007 | 5 | 13 |
| 2008 | 8 | 14 |
| 2009 | 7 | 11 |
| 2010 | 6 | 12 |
| 2011 | 6 | 9 |
| 2012 | 4 | 4 |
| 2013 | 8 | 12 |
| 2014 | 7 | 12 |
| 2015 | 13 | 12 |
| 2016 | 10 | 8 |
| 2017 | 9 | 9 |
| 2018 | 13 | 13 |
| 2019 | 13 | 21 |
| 2020 | 12 | 13 |
| 2021 | 7 | 14 |
| 2022 | 9 | 20 |
| 2023 | 16 | 13 |
| 2024 | 11 | 20 |
| 2025 | 10 | 7 |
| 2026 | 2 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23B 29/125Vibratory toolholders92
- B23B 29/20For placing same by shanks in sleeves of a turret53
- B23B 29/16For supporting the workpiece in a backrest20
- B23B 29/14Affording a yielding support of the cutting tool12
- B23B 29/22For tool adjustment by means of shims or spacers9
- B23B 29/18For retracting the cutting tool3
Recent patents
- Automatic indexing for cutting insert15 Sep 2026US 12,734,586 B2Kennametal Inc.
- Cutting tool7 Apr 2026US 12,594,608 B2Sumitomo Electric Industries, Ltd.
- Tool holder and a parting and grooving tool for an indexable turret, and a machining method therefor30 Dec 2025US 12,508,657 B2AB Sandvik Coromant
- Tool bracket18 Nov 2025US 12,472,563 B2Sugino Machine Limited
- Machine tool control device11 Nov 2025US 12,468,288 B2Fanuc Corporation
- Cutting tool, and method for manufacturing machined product3 Sep 2026US 2026/0257282 A1KYOCERA Corporation
- Vibration damped cutter holder27 Aug 2026US 2026/0249363 A1National Chung Hsing University
- Machine tool and control device23 Jul 2026US 2026/0208273 A1Citizen Machinery Co., Ltd.
- Blocking device of tool holders on lathes16 Jul 2026US 2026/0199987 A1Algra S.P.A.
- Tool holder16 Jul 2026US 2026/0199988 A1PCM Precision Tooling SA
Most cited
By later US patents
- Machine-tool comprising two opposed coaxial spindles61US 4,457,193 ATarex Machines S.A. · 1984
- Device and a method for preventing or reducing vibrations in a cutting tool60US 7,234,379 B22007
- Cutting tool using interrupted cut fast tool servo60US 7,328,638 B23M Innovative Properties Company · 2008
- Cutting tool having variable movement in a z-direction laterally along a work piece for making microstructures48US 7,350,442 B23M Innovative Properties Company · 2008
- Machine tools44US 4,646,595 AAe PLC · 1987