H05B 7/02
Details
H05B7/02 (Details) appears on 709 US grants and 311 published applications in this corpus.
Search patents in H05B- Granted patents
- 709
- Published applications
- 311
- Assignees
- 350
- Inventors
- 1,344
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 24 | 0 |
| 1978 | 25 | 0 |
| 1979 | 20 | 0 |
| 1980 | 12 | 0 |
| 1981 | 20 | 0 |
| 1982 | 14 | 0 |
| 1983 | 28 | 0 |
| 1984 | 46 | 0 |
| 1985 | 24 | 0 |
| 1986 | 38 | 0 |
| 1987 | 48 | 0 |
| 1988 | 28 | 0 |
| 1989 | 16 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 16 | 0 |
| 1993 | 16 | 0 |
| 1994 | 17 | 0 |
| 1995 | 15 | 0 |
| 1996 | 15 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 17 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 2 |
| 2002 | 16 | 10 |
| 2003 | 9 | 3 |
| 2004 | 3 | 6 |
| 2005 | 7 | 15 |
| 2006 | 7 | 15 |
| 2007 | 11 | 9 |
| 2008 | 4 | 16 |
| 2009 | 0 | 11 |
| 2010 | 5 | 11 |
| 2011 | 4 | 8 |
| 2012 | 4 | 14 |
| 2013 | 5 | 9 |
| 2014 | 9 | 9 |
| 2015 | 7 | 17 |
| 2016 | 7 | 14 |
| 2017 | 9 | 11 |
| 2018 | 13 | 10 |
| 2019 | 12 | 10 |
| 2020 | 9 | 16 |
| 2021 | 8 | 13 |
| 2022 | 16 | 15 |
| 2023 | 8 | 13 |
| 2024 | 12 | 20 |
| 2025 | 8 | 23 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H05B 7/06Electrodes268
- H05B 7/10Mountings, supports, terminals or arrangements for feeding or guiding electrodes183
- H05B 7/144Power supplies specially adapted for heating by electric discharge159
- H05B 7/12Arrangements for cooling, sealing or protecting electrodes79
- H05B 7/14Arrangements or methods for connecting successive electrode sections78
- H05B 7/11Arrangements for conducting current to the electrode terminals35
Recent patents
- Temperature sensors28 Jul 2026US 12,693,171 B2Iowa State University Research Foundation, Inc.
- Flexible power supply device for AC arc furnace, and control method thereof21 Jul 2026US 12,689,303 B2Rongxin Huiko Electric Co., Ltd.
- Localized heating device and localized heating system having the same9 Jun 2026US 12,652,733 B2Industrial Technology Research Institute
- Power supply device and power supply method for direct current electric arc furnace31 Mar 2026US 12,592,626 B2
- Blend composition comprising petroleum coke and pyrolytic carbon for electrodes2 Dec 2025US 12,486,587 B2BASF SE
- Electric power supply apparatus for an electric furnace17 Sep 2026US 2026/0282183 A1Danieli Automation S.P.A.
- Heating and cooling inhalation device10 Sep 2026US 2026/0262730 A1Past Patterns, LLC
- Furnace power supply apparatus, system for the power supply of a furnace, furnace, use of the furnace power supply apparatus and operating method30 Jul 2026US 2026/0223261 A1SMS group GmbH
- Light source apparatus23 Jul 2026US 2026/0214752 A1Lasertec Corporation
- Device and method for generating electroplasmic heat16 Jul 2026US 2026/0206105 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Graphite body103US 5,015,518 AToyo Carbon Co., Ltd. · 1991
- Carbonaceous articles having oxidation prohibitive coatings thereon72US 4,567,103 AUnion Carbide Corporation · 1986
- Method and apparatus for orientation of electrode joint threads52US 4,349,910 AUnion Carbide Corporation · 1982
- Oxidation retarded graphite or carbon electrode and method for producing the electrode52US 4,726,995 AUnion Carbide Corporation · 1988
- Oxidation retardant for graphite50US 4,439,491 AGreat Lakes Carbon Corporation · 1984