C21D 2261/00
Machining or cutting being involved
C21D2261/00 (Machining or cutting being involved) appears on 221 US grants and 328 published applications in this corpus.
Search patents in C21D- Granted patents
- 221
- Published applications
- 328
- Assignees
- 201
- Inventors
- 851
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 5 |
| 2003 | 5 | 4 |
| 2004 | 3 | 2 |
| 2005 | 1 | 11 |
| 2006 | 4 | 4 |
| 2007 | 1 | 0 |
| 2008 | 2 | 2 |
| 2009 | 4 | 4 |
| 2010 | 5 | 4 |
| 2011 | 2 | 10 |
| 2012 | 2 | 10 |
| 2013 | 7 | 6 |
| 2014 | 7 | 9 |
| 2015 | 2 | 13 |
| 2016 | 7 | 19 |
| 2017 | 10 | 13 |
| 2018 | 11 | 16 |
| 2019 | 12 | 16 |
| 2020 | 7 | 28 |
| 2021 | 16 | 25 |
| 2022 | 20 | 35 |
| 2023 | 17 | 23 |
| 2024 | 22 | 31 |
| 2025 | 17 | 16 |
| 2026 | 12 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wire rod for 5000 MPa-grade diamond wire and production method therefor15 Sep 2026US 12,735,763 B2Institute of Research of Iron and Steel, Jiangsu Province/Sha-Steel, Co. Ltd (Cn)
- Press hardening method21 Jul 2026US 12,686,926 B2ArcelorMittal
- Methods for producing locally hardened components30 Jun 2026US 12,668,850 B1Southwest Technology and Engineering Research Institute
- Method for producing austenitic heat resistant steel16 Jun 2026US 12,655,490 B2Nippon Steel Corporation
- Method for producing a microalloyed steel, a microalloyed steel produced using the method, and a combined casting/rolling installation12 May 2026US 12,623,278 B2Primetals Technologies Austria GmbH
- System and method to produce rolled green steel products with very low ghg emission intensity1 Oct 2026US 2026/0297701 A1Saarloha Advanced Materials Private Limited
- Asynchronous conversion of metals to metal ceramics20 Aug 2026US 2026/0246080 A1Intalus, Inc.
- Asynchronous conversion of metals to metal ceramics20 Aug 2026US 2026/0246081 A1Intalus, Inc.
- Asynchronous conversion of metals to metal ceramics20 Aug 2026US 2026/0246082 A1Intalus, Inc.
- Asynchronous conversion of metals to metal ceramics20 Aug 2026US 2026/0246083 A1Intalus, Inc.
Most cited
By later US patents
- Method of fine-machining a workpiece surface to be supplied with a lubricant during operation of the workpiece54US 5,630,953 AMaschinenfabrik Gehring GmbH & Co. · 1997
- Component for use in oil field technology made of a material which comprises a corrosion-resistant austenitic steel alloy41US 7,708,841 B2Boehler Edelstahl GmbH & Co. KG · 2010
- Method and apparatus for carburizing, quenching and tempering30US 5,868,871 ADowa Mining Co., Ltd. · 1999
- Corrosion-resistant austenitic steel alloy30US 8,454,765 B2Boehler Edelstahl GmbH & Co. KG · 2013
- Process for producing a corrosion-resistant austenitic alloy component27US 7,947,136 B2Boehler Edelstahl GmbH & Co. KG · 2011