B23C 2210/0421
Negative
Official title: negative
B23C2210/0421 (Negative) appears on 78 US grants and 94 published applications in this corpus.
Search patents in B23C- Granted patents
- 78
- Published applications
- 94
- Assignees
- 50
- Inventors
- 158
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 3 |
| 2005 | 3 | 3 |
| 2006 | 3 | 0 |
| 2007 | 1 | 3 |
| 2008 | 2 | 5 |
| 2009 | 2 | 4 |
| 2010 | 2 | 1 |
| 2011 | 3 | 5 |
| 2012 | 1 | 4 |
| 2013 | 2 | 4 |
| 2014 | 8 | 8 |
| 2015 | 3 | 1 |
| 2016 | 3 | 4 |
| 2017 | 5 | 13 |
| 2018 | 8 | 3 |
| 2019 | 11 | 8 |
| 2020 | 3 | 10 |
| 2021 | 3 | 2 |
| 2022 | 6 | 5 |
| 2023 | 3 | 1 |
| 2024 | 3 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cutting insert and crank shaft milling tool26 May 2026US 12,636,717 B1Sandvik Intellectual Property AB
- Rotary cutting method16 Dec 2025US 12,496,643 B2Subaru Corporation
- Cutting insert and milling tool18 Jun 2024US 12,011,772 B2Seco Tools AB
- Cutting insert14 May 2024US 11,980,952 B2Tungaloy Corporation
- Rotary cutting tool with high ramp angle capability9 Jan 2024US 11,865,629 B2Kennametal Inc.
- Plunge cutting apparatuses and cutting inserts for same16 Apr 2026US 2026/0102827 A1Kennametal Inc.
- Cutting insert and cutting tool comprising the same3 Jul 2025US 2025/0214149 A1Tungaloy Corporation
- Ball end mill5 Jun 2025US 2025/0178101 A1MOLDINO Tool Engineering, Ltd.
- End mill31 Oct 2024US 2024/0359241 A1Gühring KG
- Rotary cutting tool with high ramp angle capability4 May 2023US 2023/0133391 A1Kennametal Inc.
Most cited
By later US patents
- Reversible cutting insert for use in a rotary cutting tool29US 3,955,259 ASesco Tools AB · 1976
- Insert-exchangeable, rotary tool and throwaway insert26US 6,884,006 B2Hitachi Tool Engineering, Ltd. · 2005
- Cutting tool with enhanced chip evacuation capability and method of making same19US 9,878,379 B2Kennametal Inc. · 2018
- Milling cutter with tangentially mounted inserts14US 7,008,146 B2Kennametal Inc. · 2006
- Milling cutter11US 7,367,753 B2Jakob Lach GmbH & Co. KG · 2008