F27B 3/16
Walls
Official title: Walls; Roofs
F27B3/16 (Walls) appears on 39 US grants and 30 published applications in this corpus.
Search patents in F27B- Granted patents
- 39
- Published applications
- 30
- Assignees
- 36
- Inventors
- 85
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 3 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sloped sidewall for a furnance3 Sep 2024US 12,078,418 B2Systems Spray-Cooled, Inc.
- Self-crucible wall submerged burner furnace5 Sep 2023US 11,747,084 B2Saint-Gobain Isover
- Electric arc and ladle furnaces and components8 Mar 2022US 11,268,763 B1Emisshield, Inc.
- Over fire arrangement and method20 Apr 2021US 10,982,843 B2Teknologian tutkimuskeskus VTT Oy
- Molten metal scrap submergence apparatus4 Aug 2020US 10,731,922 B2Pyrotek, Inc.
- Furnace vessel for electric arc, metallurgical or refining furnaces and system thereof28 May 2026US 2026/0146795 A1
- Self-cleaning spray cooling system for a metallurgical furnace16 Apr 2026US 2026/0104203 A1Systems Spray-Cooled, Inc.
- Sidewall leak containment and detection system for a furnace8 May 2025US 2025/0146752 A1Systems Spray-Cooled, Inc.
- Smelting unit for steel production with a tap weight of between 60 t and 350 t6 Feb 2025US 2025/0043370 A1SMS group GmbH
- Sloped sidewall for a furnance7 Nov 2024US 2024/0369300 A1Systems Spray-Cooled, Inc.
Most cited
By later US patents
- Integral side wall and tap hole cover for an eccentric bottom tap (EBT) electric furnace83US 6,185,242 B2South Carolina Systems, Inc. · 2001
- Arc furnace roof74US 4,323,718 AHoechst Aktiengesellschaft · 1982
- Impact resistant scrap submergence device53US 9,481,918 B2Pyrotek, Inc. · 2016
- Vessel for metal smelting furnace39US 4,207,060 ADemag Aktiengesellschaft · 1980
- Liquid cooled cover for electric arc furnace13US 4,633,480 AFuchs Systems, Inc. · 1986