F23G 2209/00
Specific waste
F23G2209/00 (Specific waste) appears on 999 US grants and 848 published applications in this corpus.
Search patents in F23G- Granted patents
- 999
- Published applications
- 848
- Assignees
- 687
- Inventors
- 2,236
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 14 | 0 |
| 1991 | 11 | 0 |
| 1992 | 17 | 0 |
| 1993 | 20 | 0 |
| 1994 | 28 | 0 |
| 1995 | 38 | 0 |
| 1996 | 35 | 0 |
| 1997 | 29 | 0 |
| 1998 | 45 | 0 |
| 1999 | 37 | 0 |
| 2000 | 29 | 0 |
| 2001 | 33 | 10 |
| 2002 | 32 | 17 |
| 2003 | 23 | 36 |
| 2004 | 23 | 19 |
| 2005 | 10 | 20 |
| 2006 | 16 | 22 |
| 2007 | 10 | 25 |
| 2008 | 12 | 30 |
| 2009 | 7 | 25 |
| 2010 | 20 | 30 |
| 2011 | 16 | 30 |
| 2012 | 20 | 39 |
| 2013 | 25 | 29 |
| 2014 | 20 | 23 |
| 2015 | 25 | 29 |
| 2016 | 16 | 32 |
| 2017 | 21 | 20 |
| 2018 | 14 | 36 |
| 2019 | 28 | 31 |
| 2020 | 27 | 50 |
| 2021 | 33 | 49 |
| 2022 | 37 | 79 |
| 2023 | 44 | 57 |
| 2024 | 45 | 59 |
| 2025 | 43 | 28 |
| 2026 | 30 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F23G 2209/14Gaseous waste or fumesIndexing code235
- F23G 2209/26BiowasteIndexing code230
- F23G 2209/28Plastics or rubber like materialsIndexing code177
- F23G 2209/20Medical materialsIndexing code114
- F23G 2209/12Sludge, slurries or mixtures of liquidsIndexing code109
- F23G 2209/10Liquid wasteIndexing code101
- F23G 2209/30Solid combustion residuesIndexing code82
- F23G 2209/18Radioactive materialsIndexing code67
Recent patents
- Pyrolysis of waste flare gas for power generation22 Sep 2026US 12,742,547 B2Saudi Arabian Oil Company
- Cooling shield for a liquor injection pipe of a liquor gun, liquor gun system comprising the cooling shield, and method for cooling a liquor injection pipe in a liquor gun system15 Sep 2026US 12,736,217 B2Valmet Corporation
- Combustible waste treatment method8 Sep 2026US 12,729,852 B2Taiheiyo Cement Corporation
- Arrangement handling purged alcohol-based fuel and a method thereof8 Sep 2026US 12,729,853 B2Alfa Laval Corporate AB
- Modular abatement apparatus1 Sep 2026US 12,723,755 B2Edwards Limited
- Afterburners including methods of making and operating1 Oct 2026US 2026/0302276 A1WATT Fuel Cell Corp.
- Refining and/or petrochemical facility and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy17 Sep 2026US 2026/0274747 A1Coolbrook Oy
- Flare gas capture apparatus, control, and associated methods17 Sep 2026US 2026/0276157 A1Tpe Midstream LLC
- Cooled flare tip barrel17 Sep 2026US 2026/0276194 A1Saudi Arabian Oil Company
- Modular effluent stream treatment apparatus and assembly method thereof10 Sep 2026US 2026/0266281 A1Bht Services Pte. Ltd.
Most cited
By later US patents
- Fluorine abatement using steam injection in oxidation treatment of semiconductor manufacturing effluent gases210US 6,423,284 B1Advanced Technology Materials, Inc. · 2002
- Methods and apparatus for treating waste88US 6,630,113 B1Integrated Environmental Technologies, LLC · 2003
- Adsorption powder for removing mercury from high temperature, high moisture gas streams86US 6,533,842 B1Merck & Co., Inc. · 2003
- Method and apparatus for reducing carbon content in fly ash84US 5,513,755 AJTM Industries, Inc. · 1996
- ARC plasma-melter electro conversion system for waste treatment and resource recovery83US 5,666,891 ABattelle Memorial Institute · 1997