Sofame
Montreal, CA· latest recorded location
Sofame is named on 4 US grants and 0 published applications in this corpus. Its most frequent classification is F24H (Fluid heaters).
- Granted patents
- 4
- Published applications
- 0
- Inventors
- 8
- Granted in 2026 so far
- 0
- Most recent grant
- 19 Oct 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
By publication year.
Technology areas
Share of 4 documents
Recent patents
- High efficiency direct-contact high temperature water heater19 Oct 1999US 5,967,137 A
- Direct contact water heater with dual water heating chambers16 Jun 1998US 5,765,546 A
- Low NOX and CO emissions direct contact high temperature water heater12 May 1998US 5,749,356 A
- Direct contact water heater with hybrid heat source15 Mar 1994US 5,293,861 A
No published applications.
Most cited
By later US patents
- Direct contact water heater with dual water heating chambers10US 5,765,546 A1998
- High efficiency direct-contact high temperature water heater6US 5,967,137 A1999
- Direct contact water heater with hybrid heat source5US 5,293,861 A1994
- Low NOX and CO emissions direct contact high temperature water heater3US 5,749,356 A1998