C03B 19/109
Glass-melting furnaces specially adapted for making beads
Official title: {Glass-melting furnaces specially adapted for making beads}
C03B19/109 (Glass-melting furnaces specially adapted for making beads) appears on 42 US grants and 27 published applications in this corpus.
Search patents in C03B- Granted patents
- 42
- Published applications
- 27
- Assignees
- 26
- Inventors
- 56
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 7 |
| 2016 | 1 | 2 |
| 2017 | 5 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Expandable silica particles and methods for making and using the same17 Mar 2026US 12,577,150 B2Valunor AG
- Methods for producing and products including hollow silica or hollow glass spheres8 Apr 2025US 12,269,748 B2
- Device for producing expanded mineral granulated material18 Jun 2024US 12,013,184 B2
- Expandable silica particles and methods for making and using the same7 May 2024US 11,976,000 B2Valunor AG
- Waste heat recovery boiler in producing glass beads10 May 2022US 11,326,773 B2
- Expandable silica particles and methods for making and using the same2 Jul 2026US 2026/0184620 A1Valunor AG
- Methods for Producing and Products Including Hollow Silica or Hollow Glass Spheres12 Mar 2026US 2026/0070793 A1
- Expandable silica particles and methods for making and using the same26 Sep 2024US 2024/0317638 A1Valunor AG
- Expandable silica particles and methods for making and using the same26 Jan 2023US 2023/0023633 A1Valunor AG
- Methods for Producing and Products Including Hollow Silica or Hollow Glass Spheres7 Jul 2022US 2022/0212939 A1
Most cited
By later US patents
- Plasma arc decomposition of hazardous wastes into vitrified solids and non-hazardous gasses68US 5,451,738 AItex Enterprises Services, Inc. · 1995
- Plasma arc decomposition of hazardous wastes into vitrified solids and non-hazardous gasses66US 5,541,386 AIrm LLC · 1996
- Plasma arc decomposition of hazardous wastes into vitrified solids and non-hazardous gasses61US 5,319,176 A1994
- Process for producing an environmentally acceptable abrasive product from hazardous wastes37US 5,273,566 AInternational Environmelting Corporation · 1993
- Method for manufacturing spherical particles out of liquid phase33US 5,183,493 ANukem GmbH · 1993