F27B 7/08
Externally heated
Official title: externally heated
F27B7/08 (Externally heated) appears on 68 US grants and 46 published applications in this corpus.
Search patents in F27B- Granted patents
- 68
- Published applications
- 46
- Assignees
- 71
- Inventors
- 174
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 3 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 4 |
| 2021 | 1 | 1 |
| 2022 | 3 | 5 |
| 2023 | 1 | 2 |
| 2024 | 1 | 6 |
| 2025 | 3 | 7 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotary kiln14 Jul 2026US 12,680,760 B2LG Chem.Ltd.
- Use of a hydraulic binder containing calcium aluminate for the production of a construction material12 May 2026US 12,623,963 B2ARDEX Group GmbH
- Tube module and tube assembly including same28 Oct 2025US 12,455,116 B2LG Energy Solution, Ltd.
- Biomass solid fuel manufacturing device17 Jun 2025US 12,331,250 B2Mitsubishi UBE Cement Corporation
- Method for the manufacture of hydraulic binders from water treatment residuals15 Apr 2025US 12,275,673 B2ARDEX Group GmbH
- Remediation systems and thermal management systems13 Aug 2026US 2026/0233272 A1ASRC Energy Services, LLC
- Manufacturing apparatus and manufacturing method of positive electrode active material6 Aug 2026US 2026/0225910 A1Semiconductor Energy Laboratory Co.Ltd.
- An indirectly heated electrical rotary kiln and methods of replacing a heating element thereof18 Dec 2025US 2025/0383153 A1Metso Metals Oy
- Heat recovery system for kiln and method for recovering heat from solids processed in a kiln27 Nov 2025US 2025/0362082 A1Innord Inc.
- Hydrogen decrepitation furnace capable of feeding and discharging materials easily30 Oct 2025US 2025/0334337 A1Baiqida Intelligent Technology (Ningbo) Co., Ltd.
Most cited
By later US patents
- Device and method for obtaining non-ferrous metals86US 8,480,950 B2Pyrotek, Inc. · 2013
- Pyrolytic conversion system75US 5,225,044 AWayne Technology, Inc. · 1993
- Plant for the thermal treatment of material and operation process thereof64US 6,901,868 B2Sea Marconi Technologies di Wander Tumiatti S.A.S. · 2005
- Pyrolytic conversion system38US 5,258,101 AWayne Technology, Inc. · 1993
- Rotary retort furnace27US 4,648,836 ACan-Eng Holdings, Ltd. · 1987