B23B 2226/31
Diamond
B23B2226/31 (Diamond) appears on 385 US grants and 410 published applications in this corpus.
Search patents in B23B- Granted patents
- 385
- Published applications
- 410
- Assignees
- 210
- Inventors
- 752
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 15 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 0 |
| 2002 | 0 | 9 |
| 2003 | 7 | 9 |
| 2004 | 6 | 12 |
| 2005 | 3 | 15 |
| 2006 | 7 | 15 |
| 2007 | 11 | 20 |
| 2008 | 12 | 15 |
| 2009 | 8 | 17 |
| 2010 | 13 | 18 |
| 2011 | 8 | 14 |
| 2012 | 7 | 16 |
| 2013 | 4 | 13 |
| 2014 | 14 | 16 |
| 2015 | 14 | 17 |
| 2016 | 10 | 20 |
| 2017 | 16 | 23 |
| 2018 | 17 | 21 |
| 2019 | 22 | 18 |
| 2020 | 15 | 26 |
| 2021 | 8 | 15 |
| 2022 | 12 | 27 |
| 2023 | 17 | 19 |
| 2024 | 18 | 23 |
| 2025 | 15 | 7 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for removing undesired metal within vias from printed circuit boards23 Jun 2026US 12,666,539 B2TTM Technologies, Inc.
- Drill9 Jun 2026US 12,649,191 B2Osg Corporation
- Precision freeform structuring for the fabrication of coded lenses5 May 2026US 12,617,020 B2Northwestern University
- Silicon nitride ceramic tool comprising diamond film and method of preparing the same5 May 2026US 12,617,023 B2Guangdong University of Technology
- Diamond cutting tool28 Apr 2026US 12,611,719 B2Sumitomo Electric Hardmetal Corp.
- Self-sharpening cutting device with gradually phased materials8 Oct 2026US 2026/0307157 A1
- Systems and methods for removing undesired metal within vias from printed circuit boards1 Oct 2026US 2026/0304635 A1TTM Technologies North America, LLC
- Veined tool blank and drill20 Aug 2026US 2026/0241498 A1AB Sandvik Coromant
- Wear resistant diamond braze material6 Aug 2026US 2026/0225161 A1Inland Diamond Products Company
- Cutting insert, cutting tool, and method for manufacturing machined product26 Mar 2026US 2026/0084219 A1KYOCERA Corporation
Most cited
By later US patents
- Cutting composite formed of cemented carbide substrate and diamond layer481US 5,120,327 ADiamant Boart-Stratabit (USA) Inc. · 1992
- Superhard cutting element having reduced surface roughness and method of modifying288US 5,447,208 ABaker Hughes Incorporated · 1995
- Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same258US 4,784,023 ADiamant Boart-Stratabit (USA) Inc. · 1988
- Modified superhard cutting elements having reduced surface roughness method of modifying, drill bits equipped with such cutting elements, and methods of drilling therewith253US 5,653,300 ABaker Hughes Incorporated · 1997
- Polycrystalline diamond body with enhanced surface irregularities248US 4,629,373 AMegadiamond Industries, Inc. · 1986