F23G 2900/52001
Rotary drums with co-current flows of waste and gas
F23G2900/52001 (Rotary drums with co-current flows of waste and gas) appears on 23 US grants and 2 published applications in this corpus.
Search patents in F23G- Granted patents
- 23
- Published applications
- 2
- Assignees
- 15
- Inventors
- 41
- Latest grant
- 19 Feb 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 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 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Waste sludge incinerator using pyrolysis and gasification, and relative process19 Feb 2019US 10,208,950 B2ENI S. p. A.
- Solid and black waste mitigation system and process9 Oct 2018US 10,094,560 B1Defense Life Sciences, Inc.
- Process for disposing of explosive active masses and device therefor25 May 1999US 5,907,818 ABuck Werke GmbH & Co.
- Rotatable heating chamber for solid material10 Feb 1998US 5,716,205 ASiemens Aktiengesellschaft
- Device for conveying waste in a pyrolysis reactor20 Jan 1998US 5,709,779 ASiemens Aktiengesellschaft
Most cited
By later US patents
- Treatment of oil field wastes69US 4,751,887 AEnvironmental Pyrogenics Services, Inc. · 1988
- Drummed waste incineration43US 4,958,578 APhillips Petroleum Company · 1990
- Burner assembly with fuel pre-mix and combustion temperature controls27US 5,388,985 ACedarapids, Inc. · 1995
- Refuse burning process and apparatus14US 4,338,868 A1982
- Combustion method for simultaneous control of nitrogen oxides and products of incomplete combustion14US 5,213,492 APraxair Technology, Inc. · 1993