F27D 2027/002
Gas stirring
Official title: {Gas stirring}
F27D2027/002 (Gas stirring) appears on 26 US grants and 29 published applications in this corpus.
Search patents in F27D- Granted patents
- 26
- Published applications
- 29
- Assignees
- 19
- Inventors
- 56
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 4 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 4 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 4 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 3 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Degassing launder28 Oct 2025US 12,454,738 B2Pyrotek, Inc.
- Metal melting apparatus, screen plate for metal melting, and method of melting metal20 May 2025US 12,305,919 B2Tounetsu Co., Ltd.
- Molten metal transfer device18 Feb 2025US 12,228,150 B2Molten Metal Equipment Innovations, LLC
- Refining vessel for high-temperature melt7 May 2024US 11,976,340 B2Jfe Steel Corporation
- Molten metal transfer device16 Jan 2024US 11,873,845 B2Molten Metal Equipment Innovations, LLC
- Graphitization furnace comprising an agitator24 Sep 2026US 2026/0287259 A1Sgl Carbon SE
- Degassing launder15 Jan 2026US 2026/0015689 A1
- A system and method for bottom electrode compound bottom blowing of multi-media of DC electric arc furnace23 Oct 2025US 2025/0327143 A1Cisdi Thermal & Environmental Engineering Co., Ltd
- Metal melting apparatus, screen plate for metal melting, and method of melting metal20 Feb 2025US 2025/0060162 A1Tounetsu Co., Ltd.
- Molten metal transfer device28 Mar 2024US 2024/0102474 A1Molten Metal Equipment Innovations, LLC
Most cited
By later US patents
- Lid and containment vessel for refining molten metal114US 5,718,416 APyrotek, Inc. · 1998
- Method and system for injection of a vaporizable material into a molten bath112US 5,679,132 AMolten Metal Technology, Inc. · 1997
- Inline degassing apparatus111US 6,887,424 B2Pyrotek Japan Limited · 2005
- Rotary degassers and components therefor81US 8,524,146 B22013
- Rotary degassers and components therefor78US 9,328,615 B2Molten Metal Equipment Innovations, LLC · 2016