C21D 9/0006
Details, accessories not peculiar to any of the following furnaces
Official title: {Details, accessories not peculiar to any of the following furnaces (control devices C21D11/00)}
C21D9/0006 (Details, accessories not peculiar to any of the following furnaces) appears on 401 US grants and 371 published applications in this corpus.
Search patents in C21D- Granted patents
- 401
- Published applications
- 371
- Assignees
- 311
- Inventors
- 1,034
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 4 |
| 2002 | 11 | 7 |
| 2003 | 10 | 14 |
| 2004 | 9 | 12 |
| 2005 | 9 | 10 |
| 2006 | 5 | 10 |
| 2007 | 3 | 6 |
| 2008 | 7 | 8 |
| 2009 | 6 | 9 |
| 2010 | 6 | 10 |
| 2011 | 7 | 6 |
| 2012 | 7 | 16 |
| 2013 | 7 | 14 |
| 2014 | 11 | 22 |
| 2015 | 6 | 27 |
| 2016 | 13 | 17 |
| 2017 | 13 | 19 |
| 2018 | 19 | 20 |
| 2019 | 15 | 17 |
| 2020 | 22 | 10 |
| 2021 | 8 | 18 |
| 2022 | 15 | 28 |
| 2023 | 12 | 22 |
| 2024 | 12 | 16 |
| 2025 | 20 | 14 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Workpiece holding device6 Oct 2026US 12,753,453 B2Aktiebolaget Skf
- Volume heat treatment method and related system4 Aug 2026US 12,698,541 B2Laser Engineering Applications
- Method and system of manufacturing coiled tubing4 Aug 2026US 12,698,542 B2Tenaris Coiled Tubes, LLC
- Heat treatment method for amorphous alloy ribbon and heat treatment apparatus for amorphous alloy ribbon21 Jul 2026US 12,686,897 B2Proterial, Ltd.
- High strength steel for structure with excellent corrosion resistance and manufacturing method for same16 Jun 2026US 12,655,491 B2Posco
- Heater and annealing furnace using such heater17 Sep 2026US 2026/0275443 A1Ningbo Sachsen Industrial Technology Co.,Ltd.
- Laser hardening installation for laser hardening a bearing component3 Sep 2026US 2026/0257300 A1
- Rail and method of producing same20 Aug 2026US 2026/0242910 A1Jfe Steel Corporation
- Method for determining slab length and slab charging position within walking-beam heating furnace13 Aug 2026US 2026/0235361 A1Jfe Steel Corporation
- Quenching apparatus30 Jul 2026US 2026/0218327 A1Aisin Corporation
Most cited
By later US patents
- Aluminum coil annealing tray support pad71US 5,383,651 APyrotek, Inc. · 1995
- Method and apparatus for continuous casting and hot-rolling32US 5,461,770 AHitachi, Ltd. · 1995
- Oven for partial heat treatment of tools28US 5,052,923 AIpsen Industries International Gesellschaft mit beschrankter Haftung · 1991
- Method of heat assisted sheet metal forming in 360 degree shapes28US 5,419,791 A1995
- Pusher type furnace for heat-treating charges28US 5,443,383 ALoi Industrieofenanlagen GmbH · 1995