F27D 2003/161
Through a porous element
Official title: {through a porous element}
F27D2003/161 (Through a porous element) appears on 46 US grants and 24 published applications in this corpus.
Search patents in F27D- Granted patents
- 46
- Published applications
- 24
- Assignees
- 33
- Inventors
- 105
- Latest grant
- 2 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for porous plug removal and installation2 Jan 2024US 11,858,033 B2J.H. Fletcher & Co.
- Gas injection nozzle refractory and gas injection nozzle21 Nov 2023US 11,821,691 B2Jfe Steel Corporation
- Diffusion article18 Jul 2023US 11,701,705 B2HarbisonWalker International, Inc.
- Gas purging plug, gas purging system, method for characterization of a gas purging plug and method for purging a metal melt9 Aug 2022US 11,408,040 B2Refractory Intellectual Property GmbH & Co.KG
- Diffusion article24 May 2022US 11,338,357 B2HarbisonWalker International, Inc.
- Gas purge plug and system for easy installation of the gas purge plug in a metallurgical vessel9 Jul 2026US 2026/0194160 A1Vesuvius Group S. A.
- Refractory gas purging plug4 Jun 2026US 2026/0151827 A1Refractory Intellectual Property GmbH & Co.KG
- Refractory gas purging plug and method for controlling the conduction of gas to a refractory gas purging plug14 May 2026US 2026/0132988 A1Refractory Intellectual Property GmbH & Co.KG
- Stopper for continuous casting15 Aug 2024US 2024/0269737 A1Krosakiharima Corporation
- System and method for porous plug removal and installation20 Jul 2023US 2023/0226597 A1J.H. Fletcher & Co.
Most cited
By later US patents
- Impeller for treating molten metals33US 5,160,693 A1992
- Process for producing an iron melt26US 5,611,838 AVoest-Alpine Industrieanlagenbau GmbH · 1997
- Apparatus and method of heating particulate material14US 4,266,931 A1981
- Process for refining molten metal11US 4,047,938 AUnion Carbide Corporation · 1977
- High-temperature, gas-burning furnace10US 4,948,365 AZond Systems, Inc. · 1990