B21C 23/009
Gas treatment of work
Official title: {Gas treatment of work (for heating or cooling only B21C29/003)}
B21C23/009 (Gas treatment of work) appears on 31 US grants and 12 published applications in this corpus.
Search patents in B21C- Granted patents
- 31
- Published applications
- 12
- Assignees
- 20
- Inventors
- 52
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 3 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine24 Oct 2023US 11,794,229 B2ASMAG-Holding GmbH
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine20 Jun 2023US 11,679,427 B2ASMAG-Holding GmbH
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine20 Sep 2022US 11,446,721 B2ASMAG-Holding GmbH
- Extrusion press container and liner for same, and method2 Mar 2021US 10,933,454 B2Exco Technologies Limited
- Cryofluid assisted forming method14 Oct 2008US 7,434,439 B2Air Products and Chemicals, Inc.
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine13 Oct 2022US 2022/0324004 A1ASMAG-Holding GmbH
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine13 Oct 2022US 2022/0324005 A1ASMAG-Holding GmbH
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine13 Oct 2022US 2022/0324006 A1ASMAG-Holding GmbH
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine30 Apr 2020US 2020/0130036 A1ASMAG-Holding GmbH
- Extrusion press container and liner for same, and method9 Apr 2020US 2020/0108430 A1Exco Technologies Limited
Most cited
By later US patents
- Aluminum shapes coated with brazing material and process of coating31US 4,891,275 ANorsk Hydro A/S · 1990
- Conform extrusion process and apparatus22US 5,167,138 ASouthwire Company · 1992
- Method of manufacturing a clad tubular product by extrusion19US 4,744,504 A1988
- Aluminum shapes coated with brazing material and process of coating18US 4,615,952 ANorsk Hydro A/S · 1986
- Device for extruding sections from an ingot16US 4,165,625 ASwiss Aluminium Ltd. · 1979