H05B 6/28
Protective systems
H05B6/28 (Protective systems) appears on 27 US grants and 21 published applications in this corpus.
Search patents in H05B- Granted patents
- 27
- Published applications
- 21
- Assignees
- 14
- Inventors
- 60
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 0 |
| 2015 | 0 | 5 |
| 2016 | 5 | 3 |
| 2017 | 3 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of cooling electric induction melting and holding furnaces for reactive metals and alloys27 May 2025US 12,317,397 B2Inductotherm Corp.
- Electric induction furnace with lining wear detection system24 Sep 2024US 12,098,886 B2Inductotherm Corp.
- Cold crucible comprising metal oxide barrier and method for manufacturing same19 Jul 2022US 11,391,516 B2Korea Hydro & Nuclear Power Co., Ltd.
- Electric induction melting and holding furnaces for reactive metals and alloys8 Mar 2022US 11,272,584 B2Inductotherm Corp.
- Alloy melting and holding furnace23 Feb 2021US 10,932,333 B2Almex USA, Inc.
- Household appliance system21 Mar 2024US 2024/0098853 A1BSH Hausgeräte GmbH
- Method of Cooling Electric Induction Melting and Holding Furnaces for Reactive Metals and Alloys9 Jun 2022US 2022/0183118 A1Inductotherm Corp.
- Multi-layer susceptor design for magnetic flux shielding in directional solidification furnaces22 Oct 2020US 2020/0332435 A1Raytheon Technologies Corporation
- Electric Induction Furnace With Lining Wear Detection System18 Jun 2020US 2020/0191486 A1Inductotherm Corp.
- Cold crucible comprising metal oxide barrier and method for manufacturing same31 Oct 2019US 2019/0331422 A1Korea Hydro & Nuclear Power Co., Ltd.
Most cited
By later US patents
- Heat flow sensing system for an induction furnace18US 6,148,018 AAjax Magnethermic Corporation · 2000
- High frequency induction melting furnace14US 4,761,528 ACommissariat A L' Energie Atomique · 1988
- Multi-layer susceptor design for magnetic flux shielding in directional solidification furnaces8US 10,711,367 B2Raytheon Technoiogies Corporation · 2020
- Induction melting furnace8US 4,201,882 A1980
- Induction furnace monitor8US 4,525,665 A1985