H05B 7/18
Heating by arc discharge
H05B7/18 (Heating by arc discharge) appears on 156 US grants and 121 published applications in this corpus.
Search patents in H05B- Granted patents
- 156
- Published applications
- 121
- Assignees
- 113
- Inventors
- 387
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 2 |
| 2003 | 3 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 4 |
| 2013 | 2 | 7 |
| 2014 | 4 | 8 |
| 2015 | 2 | 8 |
| 2016 | 6 | 10 |
| 2017 | 7 | 13 |
| 2018 | 4 | 7 |
| 2019 | 9 | 11 |
| 2020 | 7 | 8 |
| 2021 | 8 | 1 |
| 2022 | 9 | 8 |
| 2023 | 1 | 2 |
| 2024 | 3 | 4 |
| 2025 | 5 | 12 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Converter device and electric power supply apparatus4 Aug 2026US 12,698,937 B2Danieli Automation S.P.A.
- Method and device for regenerating granular activated carbon by arc initiation and discharge11 Nov 2025US 12,466,736 B2Zhejiang Qizheng Environmental Protection Technology Co. Ltd
- Video analysis-based algorithm for triggering power cutback in vacuum arc remelting17 Jun 2025US 12,332,611 B2Titanium Metals Corporation
- Plasma stove20 May 2025US 12,305,865 B1
- DC plasma electric arc furnace for processing solid waste, method of processing solid waste, and products formed from DC plasma electric arc furnace13 May 2025US 12,298,077 B2
- Electromagnetic reactor9 Jul 2026US 2026/0197910 A1
- Apparatus for producing a metallic product and use of an apparatus2 Jul 2026US 2026/0183834 A1SMS group GmbH
- Sintering device with temperature gradient control12 Feb 2026US 2026/0042711 A1Heraeus Covantics North America LLC
- Electric furnace equipment and method for manufacturing molten metal8 Jan 2026US 2026/0009096 A1Posco
- Dual electrode dc electric arc melter11 Dec 2025US 2025/0377163 A1
Most cited
By later US patents
- Method and device for producing three-dimensional bodies79US 5,786,562 AArcam AB · 1998
- Spacecraft optimized arc rocket67US 4,577,461 A1986
- Substrate support with electrically floating power supply47US 10,904,996 B2APPLIED Materials.Inc. · 2021
- Thermal decomposition of waste material36US 5,095,828 AEnvironmental Thermal Systems, Corp. · 1992
- Inductively coupled plasma arc device33US 8,904,749 B2Foret Plasma Labs, LLC · 2014