C03B 5/205
Mechanical means for skimming or scraping the melt surface
Official title: {Mechanical means for skimming or scraping the melt surface}
C03B5/205 (Mechanical means for skimming or scraping the melt surface) appears on 46 US grants and 26 published applications in this corpus.
Search patents in C03B- Granted patents
- 46
- Published applications
- 26
- Assignees
- 19
- Inventors
- 82
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fining molten material using reduced pressure2 Dec 2025US 12,486,190 B2Owens-Brockway Glass Container Inc.
- Gradient fining tank for refining foamy molten glass and a method of using the same5 Mar 2024US 11,919,798 B2Owens-Brockway Glass Container Inc.
- Selective chemical fining of small bubbles in glass19 Dec 2023US 11,845,685 B2Owens-Brockway Glass Container Inc.
- Selective chemical fining of small bubbles in glass4 Oct 2022US 11,459,263 B2Owens-Brockway Glass Container Inc.
- Gradient fining tank for refining foamy molten glass and a method of using the same27 Oct 2020US 10,815,142 B2Owens-Brockway Glass Container Inc.
- Fining molten material using reduced pressure23 May 2024US 2024/0166545 A1Owens-Brockway Glass Container Inc.
- Selective Chemical Fining of Small Bubbles in Glass22 Dec 2022US 2022/0402799 A1Owens-Brockway Glass Container Inc.
- Selective Chemical Fining of Small Bubbles in Glass1 Apr 2021US 2021/0094856 A1Owens-Brockway Glass Container Inc.
- Gradient fining tank for refining foamy molten glass and a method of using the same21 Jan 2021US 2021/0017063 A1Owens-Brockway Glass Container Inc.
- Submerged combustion melters having an extended treatment zone and methods of producing molten glass7 Nov 2019US 2019/0337833 A1Johns Manville
Most cited
By later US patents
- Refining method for molten glass and an apparatus for refining molten glass89US 5,849,058 AAsahi Glass Company, Limited · 1998
- Liquid cooled skimmer78US 4,349,376 AOwens-Corning Fiberglas Corporation · 1982
- Skimmer76US 3,976,464 AOwens-Corning Fiberglas Corporation · 1976
- Method for controlling foam production in reduced pressure fining73US 6,854,290 B2Corning Incorporated · 2005
- Method for controlling foam production in reduced pressure fining68US 7,134,300 B2Corning Incorporated · 2006