C10N 2040/246
Iron or steel
Official title: {Iron or steel}
C10N2040/246 (Iron or steel) appears on 544 US grants and 95 published applications in this corpus.
Search patents in C10N- Granted patents
- 544
- Published applications
- 95
- Assignees
- 283
- Inventors
- 1,056
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 16 | 0 |
| 1978 | 19 | 0 |
| 1979 | 21 | 0 |
| 1980 | 23 | 0 |
| 1981 | 24 | 0 |
| 1982 | 14 | 0 |
| 1983 | 22 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 12 | 0 |
| 1987 | 18 | 0 |
| 1988 | 21 | 0 |
| 1989 | 28 | 0 |
| 1990 | 14 | 0 |
| 1991 | 21 | 0 |
| 1992 | 25 | 0 |
| 1993 | 20 | 0 |
| 1994 | 17 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 15 | 0 |
| 1998 | 19 | 0 |
| 1999 | 8 | 0 |
| 2000 | 14 | 0 |
| 2001 | 15 | 0 |
| 2002 | 6 | 8 |
| 2003 | 6 | 7 |
| 2004 | 2 | 6 |
| 2005 | 4 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 4 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 5 |
| 2011 | 2 | 5 |
| 2012 | 2 | 4 |
| 2013 | 5 | 3 |
| 2014 | 4 | 5 |
| 2015 | 4 | 2 |
| 2016 | 3 | 4 |
| 2017 | 4 | 1 |
| 2018 | 2 | 5 |
| 2019 | 2 | 4 |
| 2020 | 2 | 2 |
| 2021 | 2 | 6 |
| 2022 | 4 | 3 |
| 2023 | 3 | 8 |
| 2024 | 3 | 4 |
| 2025 | 3 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- One-step pretreatment method of metallic substrates for metal cold forming14 Jul 2026US 12,680,048 B2Chemetall GmbH
- Aqueous lubricant for metalworking2 Jun 2026US 12,644,070 B2Totalenergies Onetech
- Heat treatment oil24 Feb 2026US 12,559,693 B2Idemitsu Kosan Co., Ltd.
- Lubricant composition for forming hemimorphite-containing lubrication coating, method for forming said lubrication coating on surface of metal workpiece, and metal workpiece comprising said lubrication coating3 Jun 2025US 12,319,885 B2O & K Company Ltd.
- Surface conditioning with cycloalkane carboxylic acids as additives for wear protection14 Jan 2025US 12,195,688 B2Northwestern University
- Aqueous lubricant for metalworking13 Aug 2026US 2026/0234501 A1Totalenergies Onetech
- Hybrid lubricant composition for steelmaking25 Jun 2026US 2026/0176546 A1
- Coated steel sheet and method of producing same23 Oct 2025US 2025/0326983 A1Jfe Steel Corporation
- Coated steel sheet and method of producing same25 Sep 2025US 2025/0297124 A1Jfe Steel Corporation
- Aqueous lubricant for metalworking18 Sep 2025US 2025/0290006 A1Totalenergies Onetech
Most cited
By later US patents
- Olefin oligomerization with BF.sub.3 alcohol alkoxylate co-catalysts131US 5,068,487 AEthyl Corporation · 1991
- Ashless dispersants formed from substituted acylating agents and their production and use115US 5,241,003 AEthyl Petroleum Additives, Inc. · 1993
- Ethylene .alpha.-olefin block copolymers and methods for production thereof83US 5,733,980 AExxon Chemical Patents Inc. · 1998
- Ashless dispersants formed from substituted acylating agents and their production and use82US 5,137,980 AEthyl Petroleum Additives, Inc. · 1992
- Novel diamide and lubricants containing same75US 4,239,635 ACincinnati Milacron Inc. · 1980