F27B 7/362
Introducing gas into the drum axially or through the wall
Official title: {Introducing gas into the drum axially or through the wall}
F27B7/362 (Introducing gas into the drum axially or through the wall) appears on 68 US grants and 53 published applications in this corpus.
Search patents in F27B- Granted patents
- 68
- Published applications
- 53
- Assignees
- 65
- Inventors
- 157
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 3 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 5 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 11 |
| 2024 | 2 | 4 |
| 2025 | 4 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drive shaft assembly for a rotary furnace21 Jul 2026US 12,687,340 B2X-energy, LLC
- Method and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy9 Jun 2026US 12,649,689 B2Coolbrook Oy
- Method for reducing combustion temperature and thermal radiation within a lime kiln9 Dec 2025US 12,492,818 B2
- System and method for triglyceride manufacture14 Oct 2025US 12,441,955 B2Savor Foods Limited
- Pellet flue gas circulation and waste heat utilization process and system thereof18 Mar 2025US 12,253,310 B2Institute of Process Engineering, Chinese Academy of Sciences
- Method for flame control in a rotary lime kiln1 Oct 2026US 2026/0298539 A1Valmet Corporation
- Steam partial pressure swing calcination process to produce high purity co2 from caco325 Jun 2026US 2026/0177317 A1
- System and method for triglyceride manufacture8 Jan 2026US 2026/0009583 A1Savor Foods Limited
- Air lance apparatus, systems, and methods9 Oct 2025US 2025/0313758 A1Oxbow Calcining LLC
- Rotary microwave apparatus1 May 2025US 2025/0137721 A1Ecopro Bm Co., Ltd.
Most cited
By later US patents
- Prefferential oxygen firing system for counter-current mineral calcining73US 6,077,072 AAmerican Air Liquide, Inc. · 2000
- System and method for oxidant injection in rotary kilns72US 6,116,896 AAir Liquide America Corporation · 2000
- Oxidant-driven dust recycling process and device for rotary kilns68US 6,241,514 B1American Air Liquide, Inc. · 2001
- Oxygen lancing for production of cement clinker46US 5,572,938 APraxair Technology, Inc. · 1996
- Method and apparatus for injecting air into long cement kilns19US 5,632,616 AAsh Grove Cement Company · 1997