C22C 38/42
With copper
Official title: with copper
C22C38/42 (With copper) appears on 1,876 US grants and 3,050 published applications in this corpus.
Search patents in C22C- Granted patents
- 1,876
- Published applications
- 3,050
- Assignees
- 623
- Inventors
- 4,722
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 6 | 0 |
| 1997 | 14 | 0 |
| 1998 | 7 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 22 | 8 |
| 2002 | 29 | 21 |
| 2003 | 15 | 32 |
| 2004 | 22 | 34 |
| 2005 | 14 | 30 |
| 2006 | 9 | 33 |
| 2007 | 10 | 34 |
| 2008 | 10 | 32 |
| 2009 | 8 | 55 |
| 2010 | 22 | 58 |
| 2011 | 25 | 65 |
| 2012 | 35 | 53 |
| 2013 | 27 | 99 |
| 2014 | 41 | 124 |
| 2015 | 50 | 198 |
| 2016 | 79 | 205 |
| 2017 | 108 | 180 |
| 2018 | 104 | 208 |
| 2019 | 173 | 211 |
| 2020 | 149 | 208 |
| 2021 | 126 | 197 |
| 2022 | 177 | 230 |
| 2023 | 114 | 212 |
| 2024 | 121 | 193 |
| 2025 | 168 | 167 |
| 2026 | 113 | 163 |
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
- High-strength alloyed hot-dip galvanized steel sheet and manufacturing method therefor6 Oct 2026US 12,753,477 B2Kobe Steel, Ltd.
- Weld structure, stainless steel welded structure, stainless steel welded container and stainless steel22 Sep 2026US 12,741,344 B2Nippon Steel Stainless Steel Corporation
- Steel sheet for hot press formed member22 Sep 2026US 12,741,447 B2Posco
- Duplex stainless steel pipe22 Sep 2026US 12,742,233 B2Nippon Steel Corporation
- Austenitic stainless steel plate8 Oct 2026US 2026/0308735 A1Nippon Steel Stainless Steel Corporation
- Gas shield arc welding wire1 Oct 2026US 2026/0295737 A1Kiswel Ltd.
- Coated steel sheet, member, and methods for producing the same1 Oct 2026US 2026/0297713 A1Jfe Steel Corporation
- Steel material1 Oct 2026US 2026/0297716 A1Nippon Steel Corporation
- Production and preparation method of carburized gear shaft bars by means of converter process24 Sep 2026US 2026/0286458 A1Bengang Steel Plates Co., Ltd.
Most cited
By later US patents
- Lightweight polymer ammunition cartridge casings245US 8,561,543 B2True Velocity, Inc. · 2013
- Method of making lightweight polymer ammunition208US 9,441,930 B2True Velocity, Inc. · 2016
- Lightweight polymer ammunition203US 9,429,407 B2True Velocity, Inc. · 2016
- Polymer ammunition cartridge having a wicking texturing176US 9,631,907 B2True Velocity, Inc. · 2017
- Lightweight polymer ammunition cartridge casings173US 9,546,849 B2True Velocity, Inc. · 2017