F27D 2099/0078
Means to minimize the leakage of the furnace atmosphere during charging or
Official title: {Means to minimize the leakage of the furnace atmosphere during charging or discharging}
F27D2099/0078 (Means to minimize the leakage of the furnace atmosphere during charging or) appears on 38 US grants and 19 published applications in this corpus.
Search patents in F27D- Granted patents
- 38
- Published applications
- 19
- Assignees
- 34
- Inventors
- 89
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
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| 1984 | 3 | 0 |
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| 1986 | 2 | 0 |
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| 1993 | 1 | 0 |
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| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 3 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sealing structure of horizontal rotary pyrolysis kiln1 Sep 2026US 12,723,811 B2Henan Longcheng Coal High Efficiency Technology Application Co., Ltd.
- Apparatus for heating steel products20 Jan 2026US 12,529,520 B2Danieli & C. Officine Meccaniche SpA
- Rotary tube kiln16 Apr 2024US 11,959,704 B2Onejoon GmbH
- Sintering furnance4 May 2021US 10,995,992 B2Liaoning Upcera Co., Ltd.
- Smart slide27 Oct 2020US 10,816,267 B2O. I. Corporation
- Electrical arc furnace for melting metal material and steel plant comprising said electric arc furnace6 Feb 2025US 2025/0044029 A1Danieli & C. Officine Meccaniche SpA
- Sealing structures and vacuum furnaces19 Dec 2024US 2024/0418446 A1Meishan Boya Advanced Materials Co., Ltd.
- Process for the production of carburized sponge iron1 Feb 2024US 2024/0035103 A1HYBRIT Development AB
- Sealing structure of horizontal rotary pyrolysis kiln21 Dec 2023US 2023/0408197 A1Henan Longcheng Coal High Efficiency Technology Application Co., Ltd.
- Apparatus for heating steel products28 Sep 2023US 2023/0304740 A1Danieli & C. Officine Meccaniche SpA
Most cited
By later US patents
- Seal assembly for thermal treatment furnaces using an atmospheric gas containing hydrogen gas32US 5,693,288 ANisshin Steel Co., Ltd. · 1997
- Sealing box for a chamber for continuously treating a thin strip product, in particular for a furnace for continuously carbonizing a fiber substrate23US 6,561,799 B2Snecma Propulsion Solide · 2003
- Infrared furnace with controlled environment20US 4,477,718 ARadiant Technology Corporation · 1984
- Shrink oven14US 4,616,123 A1986
- Apparatus for actuating a breakaway conveyor section14US 4,753,337 A1988