F24B 1/1883
The heat exchange medium being both water and air
Official title: {the heat exchange medium being both water and air}
F24B1/1883 (The heat exchange medium being both water and air) appears on 5 US grants and 0 published applications in this corpus.
Search patents in F24B- Granted patents
- 5
- Published applications
- 0
- Assignees
- 0
- Inventors
- 5
- Latest grant
- 6 Jul 1993
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fireplace furnace heating system6 Jul 1993US 5,224,650 A
- Heating apparatus20 Oct 1987US 4,700,686 A
- Fireplace for heating indoor spaces and water for sanitary use13 Mar 1984US 4,436,079 A
- Prefabricated fireplace24 May 1983US 4,384,566 A
- Combustion apparatus and method of assembly29 Jun 1982US 4,336,790 A
No published applications in this class yet.
Most cited
By later US patents