F23G 2204/20
Supplementary heating arrangements: using electric energy
Official title: using electric energy
F23G2204/20 (Supplementary heating arrangements: using electric energy) appears on 265 US grants and 197 published applications in this corpus.
Search patents in F23G- Granted patents
- 265
- Published applications
- 197
- Assignees
- 193
- Inventors
- 635
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 20 | 0 |
| 2001 | 8 | 3 |
| 2002 | 6 | 6 |
| 2003 | 10 | 6 |
| 2004 | 7 | 7 |
| 2005 | 4 | 7 |
| 2006 | 8 | 5 |
| 2007 | 1 | 9 |
| 2008 | 5 | 11 |
| 2009 | 3 | 9 |
| 2010 | 7 | 13 |
| 2011 | 4 | 7 |
| 2012 | 6 | 15 |
| 2013 | 9 | 16 |
| 2014 | 7 | 10 |
| 2015 | 5 | 5 |
| 2016 | 6 | 6 |
| 2017 | 3 | 5 |
| 2018 | 5 | 6 |
| 2019 | 3 | 4 |
| 2020 | 7 | 8 |
| 2021 | 4 | 3 |
| 2022 | 5 | 16 |
| 2023 | 4 | 8 |
| 2024 | 3 | 2 |
| 2025 | 10 | 6 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Method for processing waste using low-temperature plasma and device therefor24 Feb 2026US 12,558,653 B2Phoenix Waste Solutions, Inc.
- Method and apparatus for thermal remediation of contaminant impacted media with hybrid energy systems13 Jan 2026US 12,523,373 B1
- Thermal oxidization systems and methods with greenhouse gas capture2 Sep 2025US 12,405,003 B2Emission Rx Ltd.
- Gas treatment system and gas treatment method using the same26 Aug 2025US 12,400,879 B2Samsung Electronics Co., Ltd.
- Fluid Heating System24 Sep 2026US 2026/0292944 A1Technische Universiteit Eindhoven
- Plasma energization equipment20 Aug 2026US 2026/0243421 A1
- Material conversion apparatus30 Jul 2026US 2026/0218898 A1Elemental Induction, LLC
- Plasma Gasification System with Improved Heat Transfer25 Jun 2026US 2026/0177238 A1Radom Corporation
- Method for processing composite material waste, device for implementing the method and recycled fiber obtained thereby11 Dec 2025US 2025/0376570 A1Alpha Recyclage Composites
Most cited
By later US patents
- Plasma pyrolysis waste destruction111US 4,644,877 APyroplasma International N.V. · 1987
- Multiple plasma generator hazardous waste processing system101US 6,817,388 B2RCL Plasma, Inc. · 2004
- Municipal solid waste disposal process92US 5,280,757 A1994
- Plasma torch furnace processing of spent potliner from aluminum smelters90US 5,222,448 AColumbia Ventures Corporation · 1993
- Methods and apparatus for treating waste88US 6,630,113 B1Integrated Environmental Technologies, LLC · 2003