B22D 7/04
Casting hollow ingots
B22D7/04 (Casting hollow ingots) appears on 14 US grants and 9 published applications in this corpus.
Search patents in B22D- Granted patents
- 14
- Published applications
- 9
- Assignees
- 10
- Inventors
- 53
- Latest grant
- 30 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Holed ingot improving a line productivity30 Jul 2024US 12,048,963 B2ArcelorMittal
- Electromagnetic casting systems including furnaces and molds for producing silicon tubes27 Dec 2022US 11,534,819 B2Lam Research Corporation
- Arcuate directionally solidified components and manufacture methods6 Aug 2019US 10,369,625 B2United Technologies Corporation
- Arcuate directionally solidified components and manufacture methods23 Apr 2019US 10,265,763 B2United Technologies Corporation
- Molding device for a metal ingot comprising a bore7 Mar 2017US 9,586,258 B2Arcelormittal Investigacion Y Desarrollo, S.L.
- Holed ingot improving a line productivity11 Aug 2022US 2022/0250139 A1ArcelorMittal
- Electromagnetic casting systems including furnaces and molds for producing silicon tubes30 Jul 2020US 2020/0238370 A1Lam Research Corporation
- Arcuate Directionally Solidified Components and Manufacture Methods7 Feb 2019US 2019/0039128 A1United Technologies Corporation
- Method for manufacturing hollow ingot for retaining ring of large generator by electroslag remelting18 Feb 2016US 2016/0045952 A1Northeastern University
- Arcuate Directionally Solidified Components and Manufacture Methods4 Feb 2016US 2016/0031006 A1United Technologies Corporation
Most cited
By later US patents
- Method of manufacturing hollow metal ingots10US 4,523,622 AKocks Technik GmbH & Co. · 1985
- Arcuate directionally solidified components and manufacture methods7US 10,369,625 B2United Technologies Corporation · 2019
- Method of producing hollow steel ingot and apparatus therefor7US 4,278,124 AKawasaki Steel Corporation · 1981
- Method and apparatus for producing hollow metal ingots6US 4,759,399 AKawasaki Steel Corporation · 1988
- Metal casting method2US 4,111,254 AKanthal AB · 1978