C22C 1/0475
Impregnated alloys
Official title: {Impregnated alloys}
C22C1/0475 (Impregnated alloys) appears on 17 US grants and 13 published applications in this corpus.
Search patents in C22C- Granted patents
- 17
- Published applications
- 13
- Assignees
- 15
- Inventors
- 48
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 0 | 3 |
| 2025 | 2 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metal matrix composites for drill bits6 Oct 2026US 12,753,469 B2Kennametal Inc.
- Producing polycrystalline diamond compact (PDC) drill bits with catalyst-free and substrate-free PDC cutters2 Jun 2026US 12,643,146 B2Chengdu Dongwei Technology Co., LTD
- Method to produce low-cost metal matrix composites for industrial, sports, and commercial applications7 Oct 2025US 12,435,403 B2Spirit AeroSystems, Inc.
- Preparation method for W-Cu composite plate with Cu phase in finger-shaped gradient distribution4 Mar 2025US 12,241,142 B2Hefei University of Technology
- Porous object of Raney metal, process for producing the same, and catalyst24 Dec 2013US 8,614,163 B2National Institute for Materials Science
- Composite wear component28 Nov 2024US 2024/0392418 A1Magotteaux International S.A.
- Method to produce low-cost metal matrix composites for industrial, sports, & commercial applications10 Oct 2024US 2024/0337005 A1Spirit AeroSystems, Inc.
- Metal matrix composites for drill bits29 Feb 2024US 2024/0068077 A1Kennametal Inc.
- Fabricating drill bits16 Nov 2023US 2023/0366272 A1Saudi Arabian Oil Company
- Producing polycrystalline diamond compact (pdc) drill bits with catalyst-free and substrate-free pdc cutters6 Jul 2023US 2023/0211414 A1Chengdu Dongwei Technology Co., LTD
Most cited
By later US patents
- Matrix for a hard composite104US 5,733,664 AKennametal Inc. · 1998
- Matrix for a hard composite92US 5,733,649 AKennametal Inc. · 1998
- Cutting elements for rotary drill bits45US 5,111,895 A1992
- Matrix for a hard composite33US 5,589,268 AKennametal Inc. · 1996
- High strength and density tungsten-uranium alloys12US 5,261,941 AThe United States of America as represented by the United States Department of Energy · 1993