C03B 5/025
By arc discharge or plasma heating
Official title: {by arc discharge or plasma heating}
C03B5/025 (By arc discharge or plasma heating) appears on 125 US grants and 57 published applications in this corpus.
Search patents in C03B- Granted patents
- 125
- Published applications
- 57
- Assignees
- 85
- Inventors
- 212
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 1 |
| 2003 | 6 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 3 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 7 |
| 2013 | 2 | 2 |
| 2014 | 2 | 2 |
| 2015 | 4 | 7 |
| 2016 | 2 | 6 |
| 2017 | 2 | 2 |
| 2018 | 7 | 2 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and method for producing hollow quartz cylinders12 Aug 2025US 12,384,712 B2Momentive Performance Materials Quartz, Inc.
- Arrangement for recycling mineral wool waste to mineral wool production11 Mar 2025US 12,246,983 B2Sumitomo SHI FW Energia Oy
- Hybrid, high-temperature insulation product, and related system and process23 Jul 2024US 12,044,002 B2Heat IP Holdco, LLC
- Combined gasification and vitrification system23 Feb 2021US 10,927,028 B2InEnTec Inc.
- Vitrified material control system and method27 Aug 2019US 10,392,286 B2Plasma Tech Holdings, LLC
- Method of preparing a melt for the production of man-made mineral fibres11 Jun 2026US 2026/0159430 A1Rockwool A/S
- Process for recycling waste mineral material5 Mar 2026US 2026/0062338 A1Rockwool A/S
- Arrangement for and a method of recycling mineral wool waste12 Jun 2025US 2025/0187970 A1Sumitomo SHI FW Energia Oy
- Recycled waste compositions, uses and processes of preparing the same13 Jun 2024US 2024/0191122 A1
- Systems and method for producing hollow quartz cylinders28 Dec 2023US 2023/0416135 A1Momentive Performance Materials Quartz, Inc.
Most cited
By later US patents
- 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
- Apparatus for producing mineral wool86US 5,123,941 AOy Partek AB · 1992
- ARC plasma-melter electro conversion system for waste treatment and resource recovery83US 5,666,891 ABattelle Memorial Institute · 1997