C21D 7/10
Of the whole cross-section
Official title: of the whole cross-section, e.g. of concrete reinforcing bars
C21D7/10 (Of the whole cross-section) appears on 199 US grants and 209 published applications in this corpus.
Search patents in C21D- Granted patents
- 199
- Published applications
- 209
- Assignees
- 176
- Inventors
- 596
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 2 |
| 2003 | 1 | 5 |
| 2004 | 2 | 8 |
| 2005 | 3 | 7 |
| 2006 | 2 | 4 |
| 2007 | 2 | 4 |
| 2008 | 2 | 3 |
| 2009 | 4 | 3 |
| 2010 | 2 | 9 |
| 2011 | 3 | 11 |
| 2012 | 3 | 5 |
| 2013 | 7 | 4 |
| 2014 | 2 | 6 |
| 2015 | 5 | 12 |
| 2016 | 8 | 9 |
| 2017 | 7 | 6 |
| 2018 | 6 | 10 |
| 2019 | 11 | 8 |
| 2020 | 6 | 4 |
| 2021 | 5 | 8 |
| 2022 | 3 | 15 |
| 2023 | 6 | 21 |
| 2024 | 10 | 25 |
| 2025 | 15 | 10 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for production of a steel tubular product, in particular an airbag tubular product, and a steel tubular product produced using this method, in particular an airbag tubular product11 Aug 2026US 12,703,021 B2Benteler Steel/Tube GmbH
- Steel wire28 Apr 2026US 12,612,675 B2Nippon Steel Corporation
- Alloy pipe and method for producing same21 Apr 2026US 12,606,879 B2Jfe Steel Corporation
- High-strength wire rod having high hydrogen embrittlement resistance for cold heading, and method for manufacturing the same17 Mar 2026US 12,577,632 B2Posco
- Electric resistance welded steel pipe, method for producing the same, line pipe, and building structure17 Feb 2026US 12,553,544 B2Jfe Steel Corporation
- Temperature control plate for connection with a battery housing, battery housing for a motor vehicle, and method for manufacturing a battery housing20 Aug 2026US 2026/0246007 A1Benteler Automobiltechnik GmbH
- Alloy pipe and method for producing same30 Jul 2026US 2026/0218326 A1Jfe Steel Corporation
- High-strength wire rod having high hydrogen embrittlement resistance for cold heading, and method for manufacturing the same23 Jul 2026US 2026/0209882 A1Posco
- Drill String Component With High Corrosion Resistance, And Method For The Production Of Same30 Apr 2026US 2026/0117335 A1Schoeller-Bleckmann Oilfield Technology GmbH
- Duplex stainless steel material19 Mar 2026US 2026/0078458 A1Nippon Steel Corporation
Most cited
By later US patents
- Pipe expansion device113US 6,460,615 B1Shell Oil Company · 2002
- Tube expansion process77US 4,649,492 AWestinghouse Electric Corp. · 1987
- Fatigue life enhancement of dovetail connector slots and noncircular openings39US 4,885,829 AFatigue Technology, Inc. · 1989
- Split sleeve cold expansion36US 5,305,627 AFatigue Technology, Inc. · 1994
- Fracture-tough, high hardness stainless steel and method of making same33US 5,221,372 ANorthwestern University · 1993