F27D 2001/0059
Construction elements of a furnace
Official title: {Construction elements of a furnace}
F27D2001/0059 (Construction elements of a furnace) appears on 58 US grants and 35 published applications in this corpus.
Search patents in F27D- Granted patents
- 58
- Published applications
- 35
- Assignees
- 61
- Inventors
- 134
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 2 |
| 2004 | 3 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 3 |
| 2020 | 5 | 4 |
| 2021 | 0 | 2 |
| 2022 | 2 | 5 |
| 2023 | 4 | 2 |
| 2024 | 2 | 2 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High pressure heat treatment apparatus4 Aug 2026US 12,698,939 B2HPSP Co., Ltd.
- Corner block for glass furnace23 Sep 2025US 12,421,151 B2Saint-Gobain Centre De Recherches Et D ' Etudes Europeen
- Annealing furnace, method of constructing annealing furnace, and structure for prefabrication15 Jul 2025US 12,359,277 B2Maftec Co., Ltd.
- Furnace muffle for sintering a ribbon material18 Feb 2025US 12,228,341 B2Corning Incorporated
- Sintering apparatus1 Oct 2024US 12,104,852 B2
- Shaft furnace for the smelting of copper and method therefor20 Aug 2026US 2026/0242893 A1SMS group GmbH
- Fluidized furnace distribution plate and fluidized furnace including the same31 Jul 2025US 2025/0244079 A1Posco
- Annealing furnace, method of constructing annealing furnace, and structure for prefabrication5 Jun 2025US 2025/0179604 A1Maftec Co., Ltd.
- Lintel block with lost edge4 Jul 2024US 2024/0219119 A1Saint-Gobain Ceramics & Plastics, Inc.
- Heat resistant structure and member for heat treatment furnace27 Jun 2024US 2024/0210114 A1Ohwada Carbon Industrial Co., Ltd.
Most cited
By later US patents
- Vertical heat treatment apparatus with vented heat insulation cover means22US 5,308,955 ATokyo Electron Sagami Limited · 1994
- Insulated industrial oven16US 4,311,460 AWisconsin Oven Corporation · 1982
- Feedback control system for the impedance control of an electric arc furnace15US 5,255,285 AVoest-Alpine Industrieanlagenbau Gesellschaft m.b.H. · 1993
- Work support for vacuum electric furnaces14US 4,102,637 AAbar Corporation · 1978
- Muffle convection brazing/annealing system14US 5,271,545 ASeco/Warwick S.A. · 1993