C03B 37/081
Indirect-melting bushings
C03B37/081 (Indirect-melting bushings) appears on 15 US grants and 1 published applications in this corpus.
Search patents in C03B- Granted patents
- 15
- Published applications
- 1
- Assignees
- 6
- Inventors
- 28
- Latest grant
- 14 Aug 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Bushing tip plate support assembly for a bushing in a filament forming apparatus14 Aug 2001US 6,272,887 B1Owens Corning Fiberglas Technology, Inc.
- Method and apparatus for producing hollow glass filaments11 Jul 1989US 4,846,864 AOwens-Corning Fiberglas Corporation
- Hollow glass fiber bushing, method of making hollow fibers and the hollow glass fibers made by that method19 Jul 1988US 4,758,259 APPG Industries, Inc.
- Hollow glass fiber bushing assembly5 Apr 1988US 4,735,642 APPG Industries, Inc.
- Hollow fiber bushing tip3 Nov 1987US 4,704,149 APPG Industries, Inc.
Most cited
By later US patents
- Hollow glass fiber bushing, method of making hollow fibers and the hollow glass fibers made by that method76US 4,758,259 APPG Industries, Inc. · 1988
- Hollow glass fiber bushing assembly65US 4,735,642 APPG Industries, Inc. · 1988
- Method for forming glass fibers15US 4,488,891 AOwens-Corning Fiberglas Corporation · 1984
- Method and apparatus for forming glass fibers15US 4,612,027 AOwens-Corning Fiberglas Corporation · 1986
- Method and apparatus for melting and processing glass14US 4,023,950 A1977