F27D 1/066
Individual composite bricks or blocks made from hollow bricks filled up with
Official title: {Individual composite bricks or blocks made from hollow bricks filled up with another material}
F27D1/066 (Individual composite bricks or blocks made from hollow bricks filled up with) appears on 8 US grants and 0 published applications in this corpus.
Search patents in F27D- Granted patents
- 8
- Published applications
- 0
- Assignees
- 7
- Inventors
- 11
- Latest grant
- 21 Nov 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Insulating material, electrical heating unit employing same, and manufacturing method therefor21 Nov 2000US 6,150,643 AKoyo Thermo Systems Co., Ltd.
- Heat insulating arrangement17 Aug 1999US 5,938,434 ABryan Groom Limited
- Melting end for glass melting furnaces with soldier blocks and operating process therefor29 Aug 1995US 5,445,661 ABeteiligungen Sorg GmbH & Co. KG
- Adding to silica refractory structures24 Sep 1985US 4,542,888 AGlaverbel
- High temperature enclosures29 Sep 1981US 4,291,514 AM. H. Detrick Co., Limited
No published applications in this class yet.
Most cited
By later US patents
- High temperature enclosures13US 4,291,514 AM. H. Detrick Co., Limited · 1981
- Adding to silica refractory structures13US 4,542,888 AGlaverbel · 1985
- Refractory/insulating modules and method of making same8US 4,151,693 AM. H. Detrick Co., Limited · 1979
- Refractory lining element for a furnace or the like8US 4,206,577 ASociete Europeene des Produits Refractories · 1980
- Heat insulating arrangement3US 5,938,434 ABryan Groom Limited · 1999