C04B 2235/405
Iron group metals
C04B2235/405 (Iron group metals) appears on 469 US grants and 560 published applications in this corpus.
Search patents in C04B- Granted patents
- 469
- Published applications
- 560
- Assignees
- 296
- Inventors
- 1,253
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 9 | 11 |
| 2003 | 11 | 38 |
| 2004 | 12 | 32 |
| 2005 | 19 | 27 |
| 2006 | 17 | 14 |
| 2007 | 18 | 16 |
| 2008 | 9 | 21 |
| 2009 | 9 | 13 |
| 2010 | 15 | 23 |
| 2011 | 14 | 19 |
| 2012 | 13 | 23 |
| 2013 | 13 | 14 |
| 2014 | 19 | 17 |
| 2015 | 15 | 21 |
| 2016 | 19 | 29 |
| 2017 | 18 | 27 |
| 2018 | 17 | 25 |
| 2019 | 22 | 36 |
| 2020 | 28 | 26 |
| 2021 | 22 | 29 |
| 2022 | 11 | 27 |
| 2023 | 25 | 27 |
| 2024 | 28 | 28 |
| 2025 | 21 | 8 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cubic boron nitride sintered material and tool22 Sep 2026US 12,741,912 B2Sumitomo Electric Hardmetal Corp.
- Composite member8 Sep 2026US 12,731,710 B2Panasonic Intellectual Property Management Co., Ltd.
- Polycrystalline diamond and methods for fabricating the same14 Jul 2026US 12,680,395 B2US Synthetic Corporation
- Material systems for repair of thermal barrier coating and methods thereof26 May 2026US 12,637,947 B2General Electric Company
- Ceramic cutter material with a piezoelectric effect and preparation method thereof, and cutting tool19 May 2026US 12,635,418 B2Shandong University
- Self-assembled soft magnetic ferrite nanocomposite materials and passive components and methods of making same1 Oct 2026US 2026/0296983 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Metal carbide-coated carbon material24 Sep 2026US 2026/0285774 A1Shin-Etsu Chemical Co., Ltd.
- Method of manufacturing ceramic matrix composites reinforced with metallic particles27 Aug 2026US 2026/0250202 A1Politechnika Warszawska
- Method for producing a metal-ceramic substrate, and metal-ceramic substrate produced using such a method13 Aug 2026US 2026/0239541 A1
- Cubic boron nitride sintered body, coated cubic boron nitride sintered body, and tool having same2 Jul 2026US 2026/0184642 A1Tungaloy Corporation
Most cited
By later US patents
- Composite abrasive compact having high thermal stability403US 5,127,923 AUS Synthetic Corporation · 1992
- Polycrystalline diamond cutters with working surfaces having varied wear resistance while maintaining impact strength334US 6,601,662 B2Grant Prideco, L.P. · 2003
- Composite synthetic materials149US 4,960,643 A1990
- Rotary drill bit design method149US 6,435,058 B1Camco International (UK) Limited · 2002
- Method of machining of polycrystalline diamond134US 6,410,085 B1Camco International (UK) Limited · 2002