C03B 5/021
By induction heating
Official title: {by induction heating}
C03B5/021 (By induction heating) appears on 121 US grants and 79 published applications in this corpus.
Search patents in C03B- Granted patents
- 121
- Published applications
- 79
- Assignees
- 73
- Inventors
- 239
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 2 |
| 2003 | 7 | 4 |
| 2004 | 8 | 4 |
| 2005 | 4 | 10 |
| 2006 | 1 | 4 |
| 2007 | 1 | 1 |
| 2008 | 2 | 4 |
| 2009 | 2 | 3 |
| 2010 | 2 | 3 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 7 | 4 |
| 2014 | 4 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 3 |
| 2017 | 1 | 5 |
| 2018 | 1 | 3 |
| 2019 | 3 | 2 |
| 2020 | 3 | 3 |
| 2021 | 1 | 3 |
| 2022 | 3 | 2 |
| 2023 | 4 | 4 |
| 2024 | 1 | 4 |
| 2025 | 4 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impurity removal method of silicate solid waste and its application31 Mar 2026US 12,589,420 B2Wuhan University of Technology
- Vertical melting furnace for igneous rock fiber manufacturing17 Mar 2026US 12,577,140 B2Rock Fiber, Inc.
- Fining molten material using reduced pressure2 Dec 2025US 12,486,190 B2Owens-Brockway Glass Container Inc.
- Glass production method4 Nov 2025US 12,459,850 B2Nippon Electric Glass Co., Ltd.
- Glass production method21 Oct 2025US 12,448,312 B2Nippon Electric Glass Co., Ltd.
- System for manufacturing high refractive index glass bead and method for manufacturing high refractive index glass bead using same27 Aug 2026US 2026/0250175 A1
- Radioactive waste supply apparatus27 Aug 2026US 2026/0253757 A1Korea Hydro & Nuclear Power Co., Ltd.
- Vertical melting furnace for igneous rock fiber manufacturing23 Jul 2026US 2026/0209099 A1Rock Fiber, Inc.
- Apparatus for charging heating element into vitrified melting furnace15 Jan 2026US 2026/0018312 A1Korea Hydro & Nuclear Power Co., Ltd.
- Method for the waste-free production of mineral wool insulation products1 May 2025US 2025/0136492 A1IBE Anlagentechnik GmbH
Most cited
By later US patents
- Methods and apparatus for treating waste88US 6,630,113 B1Integrated Environmental Technologies, LLC · 2003
- ARC plasma-melter electro conversion system for waste treatment and resource recovery83US 5,666,891 ABattelle Memorial Institute · 1997
- Methods and apparatus for low NO.sub.x emissions during the production of electricity from waste treatment systems82US 5,847,353 AIntegrated Environmental Technologies, LLC · 1998
- Arc plasma-joule heated melter system for waste treatment and resource recovery59US 6,215,678 B1Integrated Environmental Technologies, LLC · 2001
- Tunable molten oxide pool assisted plasma-melter vitrification systems58US 5,756,957 AIntegrated Environmental Technologies, LLC · 1998