F27B 5/10
Muffles
F27B5/10 (Muffles) appears on 27 US grants and 26 published applications in this corpus.
Search patents in F27B- Granted patents
- 27
- Published applications
- 26
- Assignees
- 25
- Inventors
- 82
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 5 |
| 2023 | 3 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus comprising a removable tool for infiltration in the gas phase9 Jun 2026US 12,652,990 B2Safran Ceramics
- Refill system with improved utilization rate of ultra-thin glass production process16 Sep 2025US 12,415,741 B2Dowooinsys Co., Ltd.
- Furnace muffle for sintering a ribbon material18 Feb 2025US 12,228,341 B2Corning Incorporated
- Process for producing potassium sulphate10 Dec 2024US 12,162,775 B2Tessenderlo Group NV
- Batch furnace assembly and method of operating a batch furnace assembly30 Apr 2024US 11,971,217 B2ASM IP Holding B. V.
- Apparatus comprising a removable tool for infiltration in the gas phase15 May 2025US 2025/0154072 A1Safran Ceramics
- Ni-based alloy, heat-resistant and corrosion-resistant component, and heat treatment furnace component12 Jan 2023US 2023/0011769 A1Kubota Corporation
- Batch furnace assembly and method of operating a batch furnace assembly29 Dec 2022US 2022/0412652 A1ASM IP Holding B. V.
- Furnace muffle for sintering a ribbon material11 Aug 2022US 2022/0252347 A1Corning Incorporated
- Refill system with improved utilization rate of ultra-thin glass production process28 Jul 2022US 2022/0234934 A1Dowooinsys Co., Ltd.
Most cited
By later US patents
- Furnace for heating glass preform for optical fiber and method for producing glass preform39US 4,969,941 ASumitomo Electric Industries, Ltd. · 1990
- Process for sintering extruded powder shapes31US 4,666,775 AKennecott Corporation · 1987
- High temperature furnace muffle7US 4,032,290 ABTU Engineering Corporation · 1977
- System for preventing decomposition of silicon carbide articles during sintering5US 4,649,002 AKennecott Corporation · 1987
- Retort system4US 7,118,085 B2Ivoclar Vivadent AG · 2006