F23G 5/027
Pyrolising or gasifying stage
Official title: pyrolising or gasifying stage (pyrolisation of sludge C02F11/00; destructive distillation of carbonaceous materials C10B53/00)
F23G5/027 (Pyrolising or gasifying stage) appears on 730 US grants and 716 published applications in this corpus.
Search patents in F23G- Granted patents
- 730
- Published applications
- 716
- Assignees
- 554
- Inventors
- 1,581
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 17 | 0 |
| 1995 | 14 | 0 |
| 1996 | 11 | 0 |
| 1997 | 17 | 0 |
| 1998 | 20 | 0 |
| 1999 | 16 | 0 |
| 2000 | 24 | 0 |
| 2001 | 25 | 5 |
| 2002 | 16 | 18 |
| 2003 | 11 | 18 |
| 2004 | 19 | 24 |
| 2005 | 15 | 16 |
| 2006 | 14 | 24 |
| 2007 | 9 | 21 |
| 2008 | 8 | 24 |
| 2009 | 6 | 33 |
| 2010 | 15 | 34 |
| 2011 | 15 | 29 |
| 2012 | 14 | 49 |
| 2013 | 31 | 43 |
| 2014 | 17 | 40 |
| 2015 | 23 | 44 |
| 2016 | 23 | 43 |
| 2017 | 30 | 27 |
| 2018 | 30 | 26 |
| 2019 | 26 | 26 |
| 2020 | 31 | 28 |
| 2021 | 22 | 27 |
| 2022 | 17 | 43 |
| 2023 | 21 | 25 |
| 2024 | 13 | 21 |
| 2025 | 21 | 19 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat integration with aqueous heat transfer medium for chemical recycling facilities25 Aug 2026US 12,715,027 B2ExxonMobil Product Solutions Company
- Biochar production plant, a combustion chamber and a method of operating the combustion chamber25 Aug 2026US 12,716,584 B2
- Gasification furnace operating method and gasification furnace18 Aug 2026US 12,709,714 B2Ebara Environmental Plant Co., Ltd.
- Char collector18 Aug 2026US 12,710,174 B2Scanship AS
- Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production9 Jun 2026US 12,649,959 B2Carbon Technology Holdings, LLC
- Plasma energization equipment20 Aug 2026US 2026/0243421 A1
- Method and apparatus for cleaning gasification product and use30 Jul 2026US 2026/0218073 A1
- Material conversion apparatus30 Jul 2026US 2026/0218898 A1Elemental Induction, LLC
- Solid waste processing apparatus11 Jun 2026US 2026/0159761 A1Cranfield University
- Systems and methods for carbon capture and storage21 May 2026US 2026/0138085 A1BluSky Carbon Inc.
Most cited
By later US patents
- Apparatus and process for the pyrolysis of agricultural biomass113US 7,943,014 B2Agri-Therm Limited · 2011
- Multiple plasma generator hazardous waste processing system101US 6,817,388 B2RCL Plasma, Inc. · 2004
- Multifuel bubbling bed fluidized bed combustor system92US 4,823,712 AWormser Engineering, Inc. · 1989
- Methods and apparatus for treating waste88US 6,630,113 B1Integrated Environmental Technologies, LLC · 2003
- ARC plasma-melter electro conversion system for waste treatment and resource recovery83US 5,666,891 ABattelle Memorial Institute · 1997