F23G
Cremation furnaces
Official title: Cremation furnaces; consuming waste products by combustion
F23G (Cremation furnaces) appears on 4,917 US grants and 3,235 published applications in this corpus.
Search patents in F23G- Granted patents
- 4,917
- Published applications
- 3,235
- Assignees
- 2,546
- Inventors
- 8,869
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 93 | 0 |
| 1977 | 89 | 0 |
| 1978 | 82 | 0 |
| 1979 | 68 | 0 |
| 1980 | 75 | 0 |
| 1981 | 86 | 0 |
| 1982 | 68 | 0 |
| 1983 | 62 | 0 |
| 1984 | 100 | 0 |
| 1985 | 79 | 0 |
| 1986 | 69 | 0 |
| 1987 | 87 | 0 |
| 1988 | 93 | 0 |
| 1989 | 101 | 0 |
| 1990 | 119 | 0 |
| 1991 | 125 | 0 |
| 1992 | 113 | 0 |
| 1993 | 138 | 0 |
| 1994 | 143 | 0 |
| 1995 | 125 | 0 |
| 1996 | 107 | 0 |
| 1997 | 114 | 0 |
| 1998 | 142 | 0 |
| 1999 | 133 | 0 |
| 2000 | 113 | 0 |
| 2001 | 127 | 26 |
| 2002 | 102 | 88 |
| 2003 | 77 | 107 |
| 2004 | 85 | 107 |
| 2005 | 81 | 105 |
| 2006 | 58 | 109 |
| 2007 | 49 | 128 |
| 2008 | 49 | 123 |
| 2009 | 45 | 138 |
| 2010 | 79 | 134 |
| 2011 | 58 | 139 |
| 2012 | 75 | 164 |
| 2013 | 110 | 183 |
| 2014 | 98 | 175 |
| 2015 | 132 | 179 |
| 2016 | 106 | 151 |
| 2017 | 122 | 112 |
| 2018 | 108 | 115 |
| 2019 | 125 | 108 |
| 2020 | 114 | 135 |
| 2021 | 110 | 122 |
| 2022 | 97 | 172 |
| 2023 | 97 | 146 |
| 2024 | 98 | 122 |
| 2025 | 110 | 92 |
| 2026 | 81 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- F23G 5/00Incineration of waste3,047
- F23G 7/00Incinerators or other apparatus for consuming industrial waste2,592
- F23G 2209/00Specific wasteIndexing code999
- F23G 2201/00PretreatmentIndexing code827
- F23G 2900/00Special features of, or arrangements for incineratorsIndexing code735
- F23G 2203/00Furnace arrangementsIndexing code582
- F23G 2206/00Waste heat recuperationIndexing code528
- F23G 2202/00CombustionIndexing code501
All 14 main groupsShow fewer
Recent patents
- Structural configuration and method for environmentally safe solid waste and biomass processing to increase the efficiency of power generation and production of other useful products6 Oct 2026US 12,753,919 B2Int-Energia Kft.
- Hopper for feeding bulk material6 Oct 2026US 12,753,920 B2Qlar Europe GmbH
- Pyrolysis of waste flare gas for power generation22 Sep 2026US 12,742,547 B2Saudi Arabian Oil Company
- Apparatus for carbonizing biomass15 Sep 2026US 12,735,642 B2Mitsubishi UBE Cement Corporation
- 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
- Emission reduction system8 Oct 2026US 2026/0309327 A1Etter Engineering Company, Inc.
- Hybrid flare apparatus1 Oct 2026US 2026/0298467 A1Cimarron Energy, Inc.
- Afterburners including methods of making and operating1 Oct 2026US 2026/0302276 A1WATT Fuel Cell Corp.
- Fluid Heating System24 Sep 2026US 2026/0292944 A1Technische Universiteit Eindhoven
- Exhaust gas treatment apparatus and exhaust gas treatment method17 Sep 2026US 2026/0273464 A1Ebara Corporation
Most cited
By later US patents
- Apparatus and method for controlled combustion of gaseous pollutants388US 7,569,193 B2APPLIED Materials.Inc. · 2009
- Apparatus for manufacturing a process abatement reactor386US 7,736,600 B2APPLIED Materials.Inc. · 2010
- Substoichiometric combustion of low heating value gases325US 4,381,641 AGulf Research & Development Company · 1983
- Substoichiometric combustion of low heating value gases300US 4,366,668 AGulf Research & Development Company · 1983
- Substoichiometric combustion of low heating value gases292US 4,363,361 AGulf Research & Development Company · 1982