B23C 2226/315
Polycrystalline [pcd]
Official title: polycrystalline [PCD]
B23C2226/315 (Polycrystalline [pcd]) appears on 141 US grants and 177 published applications in this corpus.
Search patents in B23C- Granted patents
- 141
- Published applications
- 177
- Assignees
- 76
- Inventors
- 332
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 6 |
| 2006 | 3 | 2 |
| 2007 | 3 | 6 |
| 2008 | 3 | 7 |
| 2009 | 1 | 8 |
| 2010 | 4 | 2 |
| 2011 | 3 | 2 |
| 2012 | 2 | 4 |
| 2013 | 2 | 21 |
| 2014 | 2 | 9 |
| 2015 | 12 | 9 |
| 2016 | 10 | 11 |
| 2017 | 10 | 6 |
| 2018 | 8 | 9 |
| 2019 | 11 | 17 |
| 2020 | 10 | 16 |
| 2021 | 5 | 6 |
| 2022 | 10 | 11 |
| 2023 | 7 | 6 |
| 2024 | 3 | 7 |
| 2025 | 8 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tool and method of manufacturing tool14 Jul 2026US 12,678,869 B2Sumitomo Electric Hardmetal Corp.
- Silicon nitride ceramic tool comprising diamond film and method of preparing the same5 May 2026US 12,617,023 B2Guangdong University of Technology
- Method for producing a cutting tool24 Feb 2026US 12,559,844 B2Rollomatic S.A.
- Cutting insert and method of manufacturing cutting insert21 Oct 2025US 12,447,537 B2Sumitomo Electric Hardmetal Corp.
- Milling cutter and blade part thereof7 Oct 2025US 12,434,309 B2Kanefusa Kabushiki Kaisha
- Cutting insert and rotary cutting tool25 Jun 2026US 2026/0175302 A1Kanefusa Kabushiki Kaisha
- Method for making a rotary cutter30 Apr 2026US 2026/0115845 A1Halcyon Technology Public Company Limited
- Dental end mill and processing method16 Oct 2025US 2025/0319532 A1Kuraray Noritake Dental Inc.
- Superhard cutting elements, cutting tools including the same, and methods of using the same26 Jun 2025US 2025/0205792 A1US Synthetic Corporation
- Components of an electronic device and methods for their assembly15 May 2025US 2025/0159829 A1Apple Inc.
Most cited
By later US patents
- Composite polycrystalline diamond compact90US 5,662,720 AGeneral Electric Company · 1997
- Diamond or CBN fluted center cutting end mill78US 5,685,671 ASmith International, Inc. · 1997
- Components of an electronic device76US 8,933,347 B22015
- Helically fluted tool44US 5,272,940 ADico, Inc. · 1993
- Components of an electronic device and methods for their assembly44US 9,114,487 B2Apple Inc. · 2015