B21K 5/20
Making working faces of dies, either recessed or outstanding
B21K5/20 (Making working faces of dies, either recessed or outstanding) appears on 46 US grants and 51 published applications in this corpus.
Search patents in B21K- Granted patents
- 46
- Published applications
- 51
- Assignees
- 48
- Inventors
- 104
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 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 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 3 | 1 |
| 2005 | 0 | 6 |
| 2006 | 2 | 3 |
| 2007 | 2 | 5 |
| 2008 | 3 | 5 |
| 2009 | 2 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 0 |
| 2014 | 2 | 3 |
| 2015 | 4 | 2 |
| 2016 | 3 | 4 |
| 2017 | 2 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stick fit fastener recess system18 Feb 2025US 12,228,158 B2Phillips Screw Company
- Coated mold, method for manufacturing coated mold, and hard coat-forming target10 Dec 2024US 12,163,214 B2Proterial, Ltd.
- Stick fit fastener recess system4 May 2021US 10,995,788 B2Phillips Screw Company
- Method for manufacturing a forging die with improved wear resistance20 Nov 2018US 10,131,021 B2Meadville Forging Co LP
- Casting die13 Nov 2018US 10,124,400 B2ROLLS-ROYCE plc
- Hot forging die and production method therefor1 Oct 2026US 2026/0295656 A1
- Method for producing a tool, tool, method for machining a workpiece, workpiece28 Aug 2025US 2025/0269417 A1Surfunction GmbH
- Method for manufacturing hard coat-forming target7 Nov 2024US 2024/0368748 A1Proterial, Ltd.
- Coated mold, method for manufacturing coated mold, and hard coat-forming target19 May 2022US 2022/0154323 A1Hitachi Metals, Ltd.
- Stick fit fastener recess system5 Aug 2021US 2021/0239148 A1Phillips Screw Company
Most cited
By later US patents
- Reinforced ceramic structures27US 6,235,381 B1The Boeing Company · 2001
- Die for manufacturing a fastener blank20US 4,982,596 ABuell Industries, Inc. · 1991
- Method of manufacturing form tools for forming threaded fasteners16US 6,537,487 B12003
- Spiral drive fastener with friction engageable surface14US 7,293,949 B2Phillips Screw Company · 2007
- Stick fit fastener recess system10US 10,995,788 B2Phillips Screw Company · 2021