F23G 5/20
Incineration of waste: having rotating or oscillating drums
Official title: having rotating or oscillating drums
F23G5/20 (Incineration of waste: having rotating or oscillating drums) appears on 265 US grants and 140 published applications in this corpus.
Search patents in F23G- Granted patents
- 265
- Published applications
- 140
- Assignees
- 180
- Inventors
- 490
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 21 | 0 |
| 1989 | 11 | 0 |
| 1990 | 20 | 0 |
| 1991 | 11 | 0 |
| 1992 | 14 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 0 |
| 2002 | 5 | 4 |
| 2003 | 0 | 4 |
| 2004 | 5 | 3 |
| 2005 | 5 | 5 |
| 2006 | 4 | 4 |
| 2007 | 1 | 4 |
| 2008 | 2 | 2 |
| 2009 | 1 | 7 |
| 2010 | 2 | 11 |
| 2011 | 4 | 8 |
| 2012 | 1 | 12 |
| 2013 | 5 | 5 |
| 2014 | 5 | 8 |
| 2015 | 4 | 6 |
| 2016 | 5 | 7 |
| 2017 | 4 | 7 |
| 2018 | 5 | 4 |
| 2019 | 8 | 4 |
| 2020 | 4 | 5 |
| 2021 | 6 | 8 |
| 2022 | 6 | 9 |
| 2023 | 2 | 3 |
| 2024 | 2 | 5 |
| 2025 | 5 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus, system and method for pyrolysing and combusting a material24 Jun 2025US 12,338,994 B2Eco-Global Energy Pty Limited
- Pyrolysis method of waste plastics using batch reactor13 May 2025US 12,296,504 B2SK Geo Centric Co., Ltd.
- Ponded ash beneficiation system and related methods29 Apr 2025US 12,286,598 B2Ash-TEK, LLC
- Method and apparatus for the treatment of waste material22 Apr 2025US 12,280,407 B2Powerhouse Energy Group PLC
- Waste processing system7 Jan 2025US 12,187,962 B2Circular Resources (IP) Pte Limited
- Material conversion apparatus30 Jul 2026US 2026/0218898 A1Elemental Induction, LLC
- A rotary reactor for pyrolysis and torrefaction2 Oct 2025US 2025/0305675 A1Goenvi Technologies Private Limited
- Ponded ash beneficiation system and related methods7 Aug 2025US 2025/0250496 A1Ash-TEK, LLC
- Multifunctional Indirectly Heated Rotary Kiln24 Jul 2025US 2025/0237436 A1
- Integrated process of pyrolysis and gasification of waste and the derivatives thereof and apparatus for the implementation thereof27 Feb 2025US 2025/0066670 A1
Most cited
By later US patents
- Process for chemical/thermal treatment without toxic emissions67US 5,662,050 A1997
- Procedure and installation for the incinerating of sludge61US 4,361,100 AWerner & Pfleiderer · 1982
- Apparatus and method for high temperature disposal of hazardous waste materials59US 4,770,109 ARetech, Inc. · 1988
- Method for energy recovery from solid hazardous waste53US 4,850,290 AAsh Grove Cement Company · 1989
- Method and apparatus for using hazardous waste to form non-hazardous aggregate41US 4,922,841 A1990