B21C 3/025
Comprising diamond parts
Official title: {comprising diamond parts}
B21C3/025 (Comprising diamond parts) appears on 66 US grants and 40 published applications in this corpus.
Search patents in B21C- Granted patents
- 66
- Published applications
- 40
- Assignees
- 16
- Inventors
- 101
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 7 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 3 | 3 |
| 2016 | 3 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 5 |
| 2019 | 2 | 3 |
| 2020 | 4 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Irregularly-shaped die16 Jun 2026US 12,654,213 B2A. L. M. T. Corp.
- Polycrystalline diamond compacts13 May 2025US 12,297,153 B2US Synthetic Corporation
- Platinum-based material thin wire and method for manufacturing the same30 Nov 2021US 11,185,902 B2Tanaka Kikinzoku Kogyo K.K.
- Wear-resistant tool27 Jul 2021US 11,072,008 B2A. L. M. T. Corp.
- Diamond die18 May 2021US 11,007,558 B2A. L. M. T. Corp.
- Wire drawing die24 Sep 2026US 2026/0284726 A1A. L. M. T. Corp.
- Wire drawing die13 Aug 2026US 2026/0233277 A1A. L. M. T. Corp.
- Polycrystalline diamond compacts9 Oct 2025US 2025/0313514 A1US Synthetic Corporation
- Irregularly-shaped die2 Jan 2025US 2025/0001478 A1A. L. M. T. Corp.
- Polycrystalline diamond compact12 Dec 2024US 2024/0410232 A1US Synthetic Corporation
Most cited
By later US patents
- Rotary drill bit including polycrystalline diamond cutting elements320US 7,866,418 B2US Synthetic Corporation · 2011
- Method of making tool inserts and drill bits161US 4,481,016 A1984
- Optically improved diamond wire die66US 5,465,603 AGeneral Electric Company · 1995
- Composite diamond compact for a wire drawing die and a process for the production of the same59US 4,374,900 ASumitomo Electric Industry, Ltd. · 1983
- Method for preparing diamond compacts containing single crystal diamond54US 4,260,397 AGeneral Electric Company · 1981