C22C 38/26
With niobium or tantalum
Official title: with niobium or tantalum
C22C38/26 (With niobium or tantalum) appears on 1,398 US grants and 2,153 published applications in this corpus.
Search patents in C22C- Granted patents
- 1,398
- Published applications
- 2,153
- Assignees
- 387
- Inventors
- 3,320
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 4 |
| 2002 | 9 | 11 |
| 2003 | 8 | 16 |
| 2004 | 11 | 19 |
| 2005 | 8 | 12 |
| 2006 | 6 | 12 |
| 2007 | 6 | 17 |
| 2008 | 1 | 15 |
| 2009 | 6 | 25 |
| 2010 | 11 | 35 |
| 2011 | 9 | 31 |
| 2012 | 12 | 36 |
| 2013 | 21 | 71 |
| 2014 | 33 | 94 |
| 2015 | 40 | 139 |
| 2016 | 46 | 125 |
| 2017 | 80 | 122 |
| 2018 | 87 | 151 |
| 2019 | 121 | 171 |
| 2020 | 111 | 132 |
| 2021 | 113 | 136 |
| 2022 | 145 | 158 |
| 2023 | 72 | 168 |
| 2024 | 97 | 164 |
| 2025 | 139 | 149 |
| 2026 | 110 | 140 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Forged steel roll for cold rolling6 Oct 2026US 12,752,325 B2Nippon Steel Corporation
- Ultra-high strength cold rolled steel sheet having excellent bendability, and method of manufacturing same6 Oct 2026US 12,753,455 B2Posco
- Hot rolled high strength steel strip having high hole expansion ratio6 Oct 2026US 12,753,461 B2Tata Steel Ijmuiden B.V.
- Method of producing a steel sheet for cans6 Oct 2026US 12,753,472 B2Jfe Steel Corporation
- Welded rail29 Sep 2026US 12,747,483 B2Nippon Steel Corporation
- A cold rolled martensitic steel and a method of martensitic steel thereof8 Oct 2026US 2026/0308706 A1
- Manufacturing method of flash butt welded rail1 Oct 2026US 2026/0295710 A1Nippon Steel Corporation
- Coated steel sheet, member, and methods for producing the same1 Oct 2026US 2026/0297713 A1Jfe Steel Corporation
- Work string tubing connection restoration24 Sep 2026US 2026/0284768 A1Postle Industries, Inc.
- High yield ratio-type high-strength steel sheet and method for manufacturing same24 Sep 2026US 2026/0286460 A1Posco
Most cited
By later US patents
- Iron-based alloy for internal combustion engine valve seat inserts52US 6,436,338 B1L. E. Jones Company · 2002
- Iron-based alloys and methods of making and use thereof42US 9,334,547 B2L. E. Jones Company · 2016
- High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof37US 10,677,109 B2I. E. Jones Company · 2020
- Heat resistant steel36US 6,514,359 B2Sumitomo Metal Industries, Ltd. · 2003
- High speed tool steel produced by sintering powder and method of producing same34US 5,252,119 AHitachi Metals, Ltd. · 1993