F27B 7/224
Discharge ends
Official title: {Discharge ends}
F27B7/224 (Discharge ends) appears on 12 US grants and 5 published applications in this corpus.
Search patents in F27B- Granted patents
- 12
- Published applications
- 5
- Assignees
- 14
- Inventors
- 26
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 0 |
| 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 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotary kiln and method for burning carbonate-containing material, in particular limestone or dolomite2 Sep 2025US 12,405,060 B2S. A. Lhoist Recherche et Developpement
- Kiln comprising a protective segment at the kiln outlet25 Jun 2024US 12,018,890 B2thyssenkrupp AG
- Pyrolysis furnace with external heating for processing solid carboncarbon-containing materials (variants)15 Mar 2022US 11,274,881 B2ThermoDeg s.r.o.
- Device for cooling the opening of a rotary kiln by means of cool air-blowing29 Aug 2017US 9,746,243 B2Fives Fcb
- Graphite rotary tube furnace28 Mar 2000US 6,042,370 AHaper International Corp.
- Rotary pyrolysis reactor and method of use8 May 2025US 2025/0146754 A1Omega Holdings LLC
- Rotary Kiln and Method for Burning Carbonate-Containing Material, In Particular Limestone or Dolomite9 May 2024US 2024/0151468 A1S. A. Lhoist Recherche et Developpement
- Kiln comprising a protective segment at the kiln outlet20 Jan 2022US 2022/0018599 A1thyssenkrupp AG
- Pyrolysis furnace with external heating for processing solid carboncarbon-containing materials (variants)9 May 2019US 2019/0137181 A1ThermoDeg s.r.o.
- Device for cooling the opening of a rotary kiln by means of cool air-blowing25 Dec 2014US 2014/0377713 A1Fives Fcb
Most cited
By later US patents
- Graphite rotary tube furnace19US 6,042,370 AHaper International Corp. · 2000
- System for the protection of the delivery end of a rotary kiln18US 4,295,825 AFives-Cail Babcock · 1981
- Discharge end structure for rotary retorts7US 4,259,060 AAGF Inc. · 1981
- Air cooled rotary kiln collar7US 4,836,775 APPG Industries, Inc. · 1989
- Refractory block for rotary kiln5US 4,975,049 AGeneral Refractories Company · 1990