F27D 1/0043
Floors, hearths
Official title: {Floors, hearths}
F27D1/0043 (Floors, hearths) appears on 42 US grants and 40 published applications in this corpus.
Search patents in F27D- Granted patents
- 42
- Published applications
- 40
- Assignees
- 39
- Inventors
- 113
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 3 |
| 2003 | 2 | 0 |
| 2004 | 3 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 3 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 5 |
| 2019 | 4 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 7 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Convective substrate cooling with minimal pressure change14 Jul 2026US 12,680,761 B2APPLIED Materials.Inc.
- Workpiece processing apparatus with thermal processing systems27 Jan 2026US 12,535,273 B2Beijing E-Town Semiconductor Technology Co., Ltd.
- Cover plate structure for glass fiber tank furnace forehearth4 Feb 2025US 12,215,049 B2Jushi Group Co., Ltd.
- System and method for repairing a coke oven19 Dec 2023US 11,845,898 B2Suncoke Technology and Development LLC
- Furnace floor protection in recovery boilers10 Jan 2023US 11,549,682 B2Varo Teollisuuspalvelut Oy
- Hearth mixture for disposing on the hearth bottom of an electric arc furnace, use of a hearth mixture for disposing on the hearth bottom of an electric arc furnace, electric arc furnace, method for disposing a hearth mixture on the hearth bottom of an electric arc furnace and use of magnesia spinel used in a lining of a cement rotary kiln24 Sep 2026US 2026/0287256 A1Refractory Intellectual Property GmbH & Co.KG
- Refractory lining disposed on the bottom of a metallurgical unit for holding a molten metal, method of providing a refractory lining disposed on the bottom of a metallurgical unit for holding a molten metal, and metallurgical unit for holding a molten metal2 Jul 2026US 2026/0185774 A1Refractory Intellectual Property GmbH & Co.KG
- Workpiece Processing Apparatus with Thermal Processing Systems30 Apr 2026US 2026/0118062 A1Beijing E-Town Semiconductor Technology Co., Ltd.
- Fluidized furnace distribution plate and fluidized furnace including the same31 Jul 2025US 2025/0244079 A1Posco
- Materials and methods to prevent chemical attack of kiln shelves and saggars27 Feb 2025US 2025/0067512 A1
Most cited
By later US patents
- Interlocking floor brick for non-recovery coke oven100US 6,017,214 APennsylvania Coke Technology, Inc. · 2000
- System and method for repairing a coke oven27US 11,186,778 B2Suncoke Technology and Development LLC · 2021
- Fiber blanket insulation module21US 4,381,634 AManville Service Corporation · 1983
- System and method for repairing a coke oven19US 10,851,306 B2Suncoke Technology and Development LLC · 2020
- Insulation module hardware18US 4,449,345 AManville Service Corporation · 1984