F27B 7/33
Arrangement of devices for discharging
F27B7/33 (Arrangement of devices for discharging) appears on 39 US grants and 32 published applications in this corpus.
Search patents in F27B- Granted patents
- 39
- Published applications
- 32
- Assignees
- 47
- Inventors
- 114
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 4 |
| 2015 | 1 | 0 |
| 2016 | 4 | 3 |
| 2017 | 0 | 3 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cathode material drying device and cathode material drying production line7 Apr 2026US 12,595,962 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Dynamic sealing structure and rotary kiln apparatus21 Jan 2025US 12,203,704 B2Henan Longcheng Coal High Efficiency Technology Application Co., Ltd.
- Pyrolysis furnace with external heating for processing solid carboncarbon-containing materials (variants)15 Mar 2022US 11,274,881 B2ThermoDeg s.r.o.
- Horizontal pyrolysis furnace8 Mar 2022US 11,268,761 B2Jing Leei Enterprise Co., Ltd.
- Amorphous silicon for use in foods, drugs, cosmetics and feed, and production method and production device thereof25 Feb 2020US 10,570,019 B2GAIA Institute of Environment Technology Inc.
- Device for haremless treatment of phosphogypsum by calcination using high-temperature ceramsite29 Jan 2026US 2026/0029199 A1Hubei Juhai Environmental Technology Co., Ltd.
- Hydrogen decrepitation furnace capable of feeding and discharging materials easily30 Oct 2025US 2025/0334337 A1Baiqida Intelligent Technology (Ningbo) Co., Ltd.
- Rotary Kiln18 Sep 2025US 2025/0290696 A1LG Chem.Ltd.
- Multifunctional Indirectly Heated Rotary Kiln24 Jul 2025US 2025/0237436 A1
- Spiral Baffle System19 Jun 2025US 2025/0198701 A1LG Chem.Ltd.
Most cited
By later US patents
- Continuous metal melting, withdrawal and discharge from rotary furnaces11US 4,105,438 A1978
- Single charge continuous rotary retort furnace with an accessible door9US 5,749,722 AAmerican Gas Furnace Company · 1998
- Apparatus for pyroprocessing and cooling particles7US 4,123,850 A1978
- Metallurgical furnace vacuum slag removal7US 5,305,990 A1994
- Carbon reactivation apparatus6US 5,788,481 ALockhead Haggerty Engineering & Manufacturing Co. Ltd. · 1998