F23G 2900/52002
Rotary drum furnaces with counter-current flows of waste and gas
F23G2900/52002 (Rotary drum furnaces with counter-current flows of waste and gas) appears on 16 US grants and 4 published applications in this corpus.
Search patents in F23G- Granted patents
- 16
- Published applications
- 4
- Assignees
- 13
- Inventors
- 30
- Latest grant
- 22 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Ash sintering gasifier22 Sep 2020US 10,782,021 B2
- Direct-fired inclined counterflow rotary kilns and use thereof7 May 2019US 10,280,114 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Waste sludge incinerator using pyrolysis and gasification, and relative process19 Feb 2019US 10,208,950 B2ENI S. p. A.
- System and method for cogeneration from mixed oil and inert solids, furnace and fuel nozzle for the same20 Nov 2018US 10,132,496 B1Silver Street Group, LLC
- Process for generating combustible gas from organic feedstock and reactors therefor6 Feb 2018US 9,885,478 B1Recycling Solutions Technology, LLC
- Ash sintering gasifier22 Feb 2018US 2018/0051877 A1
- Direct-fired inclined counterflow rotary kilns and use thereof21 Dec 2017US 2017/0362122 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Waste sludge incinerator using pyrolysis and gasification, and relative process25 Aug 2016US 2016/0245508 A1ENI S. p. A.
- Rotary Kilns for Alternative Fuels12 Jan 2012US 2012/0009530 A1FLSmidth A/S
Most cited
By later US patents
- Method and apparatus for using hazardous waste to form non-hazardous aggregate41US 4,922,841 A1990
- Waste fuel delivery to long kilns27US 5,224,433 AAsh Grove Cement Company · 1993
- Decontamination plant including an indirectly heated desorption system20US 6,110,430 ACMI Corporation · 2000
- Burning of blended waste-derived supplemental fuel for improved manufacture of cement18US 5,377,603 AAsh Grove Cement Company · 1995
- Modified cement kiln for burning combustible solid waste as supplemental fuel10US 5,724,899 AAsh Grove Cement Company · 1998