B23C 2228/00
Properties of materials of tools or workpieces, materials of tools or workpieces
Official title: Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
B23C2228/00 (Properties of materials of tools or workpieces, materials of tools or workpieces) appears on 140 US grants and 164 published applications in this corpus.
Search patents in B23C- Granted patents
- 140
- Published applications
- 164
- Assignees
- 72
- Inventors
- 331
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 4 |
| 2004 | 2 | 0 |
| 2005 | 2 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 3 | 8 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 3 | 3 |
| 2012 | 1 | 2 |
| 2013 | 2 | 5 |
| 2014 | 2 | 7 |
| 2015 | 5 | 8 |
| 2016 | 7 | 22 |
| 2017 | 7 | 19 |
| 2018 | 18 | 14 |
| 2019 | 15 | 12 |
| 2020 | 8 | 13 |
| 2021 | 17 | 11 |
| 2022 | 11 | 7 |
| 2023 | 7 | 6 |
| 2024 | 4 | 4 |
| 2025 | 4 | 2 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23C 2228/10CoatingIndexing code87
- B23C 2228/08Applied by physical vapour deposition [pvd]Indexing code19
- B23C 2228/25HoneycombIndexing code18
- B23C 2228/04Applied by chemical vapour deposition [cvd]Indexing code15
- B23C 2228/49SinteredIndexing code14
- B23C 2228/24Hard, i.e. after being hardenedIndexing code12
- B23C 2228/50Soft metalIndexing code4
- B23C 2228/14FlexibleIndexing code3
All 10 subgroupsShow fewer
Recent patents
- End mill11 Aug 2026US 12,703,030 B2Osg Corporation
- Cutting tool5 May 2026US 12,617,024 B2Sumitomo Electric Hardmetal Corp.
- Rotary cutting tool14 Apr 2026US 12,599,976 B2Kanefusa Kabushiki Kaisha
- Tool main body and method for producing tool main body17 Mar 2026US 12,576,448 B2Sumitomo Electric Industries, Ltd.
- Method for producing a cutting tool24 Feb 2026US 12,559,844 B2Rollomatic S.A.
- Cutting tool1 Oct 2026US 2026/0295690 A1Sumitomo Electric Hardmetal Corp.
- Coated cutting tool23 Jul 2026US 2026/0208271 A1Walter AG
- Rotary tool8 Jan 2026US 2026/0008111 A1Kennametal Inc.
- Method for producing a cutting tool1 May 2025US 2025/0137137 A1Rollomatic S.A.
- Method of milling brittle materials using a polycrystalline diamond end milling tool27 Mar 2025US 2025/0100185 A1Element Six (UK) Limited
Most cited
By later US patents
- Indexable insert for milling and milling cutter employing the same44US 5,707,185 ASumitomo Electric Industries, Ltd. · 1998
- Cutting tool27US 8,415,033 B2KYOCERA Corporation · 2013
- Method of machining a thin-walled structure25US 9,364,930 B2Bell Helicopter Textron Inc. · 2016
- Milling cutter and an indexable milling insert22US 7,252,461 B2Seco Tools AB · 2007
- Nicked cutting tool18US 5,193,944 AGN Tool Co., Ltd. · 1993