C21D 9/505
Cooling thereof
Official title: {Cooling thereof}
C21D9/505 (Cooling thereof) appears on 86 US grants and 127 published applications in this corpus.
Search patents in C21D- Granted patents
- 86
- Published applications
- 127
- Assignees
- 80
- Inventors
- 399
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 3 | 3 |
| 2010 | 1 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 8 |
| 2013 | 2 | 2 |
| 2014 | 1 | 6 |
| 2015 | 2 | 11 |
| 2016 | 4 | 12 |
| 2017 | 5 | 6 |
| 2018 | 3 | 7 |
| 2019 | 10 | 9 |
| 2020 | 6 | 5 |
| 2021 | 3 | 12 |
| 2022 | 5 | 9 |
| 2023 | 2 | 4 |
| 2024 | 8 | 6 |
| 2025 | 7 | 7 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Al—Fe-alloy plated steel sheet for hot forming, having excellent TWB welding characteristics, hot forming member, and manufacturing methods therefor2 Jun 2026US 12,644,170 B2Posco
- Steel pipe for line pipe with excellent low temperature toughness of welded zone and method for manufacturing the same28 Apr 2026US 12,611,704 B2Nexteel Co., Ltd.
- Method for producing a precoated steel sheet and associated sheet3 Feb 2026US 12,539,562 B2ArcelorMittal
- Electric resistance welded steel pipe and method for manufacturing the same20 Jan 2026US 12,529,435 B2Jfe Steel Corporation
- Joint component and manufacturing method thereof13 Jan 2026US 12,522,902 B2Nippon Steel Corporation
- Hot-stamped product and method of producing the same27 Aug 2026US 2026/0249343 A1Nippon Steel Corporation
- Electric resistance welded steel pipes and line pipes30 Jul 2026US 2026/0218351 A1Jfe Steel Corporation
- Method for increasing hardened layer thickness of a rail head of a flash welded joint of a steel rail and a steel rail16 Jul 2026US 2026/0200019 A1Chengdu Advanced Metal Materials Industry Technology Research Institute Co., Ltd.
- A welding and heat treatment method for a steel rail with deep hardened layer and a steel rail25 Jun 2026US 2026/0176712 A1Chengdu Advanced Metal Materials
- Steel pipe for line pipe with excellent low temperature toughness of welded zone and method for manufacturing the same18 Jun 2026US 2026/0166613 A1Nexteel Co., Ltd.
Most cited
By later US patents
- Seam-welded metal pipe and method of making the same without seam anneal115US 7,032,809 B1Steel Ventures, L.L.C. · 2006
- Method and apparatus for automated processing and handling of mash weldedsheet metal blanks33US 5,634,255 A1997
- Method and apparatus for continuous production of tubular bodies by means of laser longitudinal seam welding27US 4,827,099 AHoesch Aktiengesellschaft · 1989
- Chisels20US 9,085,074 B2Black & Decker Inc. · 2015
- Apparatus for quenching butt-welded portion of rail14US 4,573,666 ANippon Kokan Kabushiki Kaisha · 1986