Y10S 122/01
Air heater
Y10S122/01 (Air heater) appears on 20 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 20
- Published applications
- 0
- Assignees
- 14
- Inventors
- 36
- Latest grant
- 18 Nov 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System for increasing efficiency of steam generator system having a regenerative air preheater18 Nov 2003US 6,647,929 B1Alstom (Switzerland) Ltd
- Air separation method and system for producing oxygen to support combustion in a heat consuming device7 May 2002US 6,382,958 B1Praxair Technology, Inc.
- Apparatus for introducing gas recirculation to control steam temperature in steam generation systems24 Mar 1998US 5,730,070 ACombustion Engineering, Inc.
- Arrangement for utilizing the heat contained in the exhaust gas of a coal-fired boiler15 Mar 1994US 5,293,841 AGEA Luftkuhler GmbH
- Vapor pump employing counterflow exchange between air and combustion products without an intermediate fluid12 Jan 1993US 5,178,210 AGaz de France
No published applications in this class yet.
Most cited
By later US patents
- Air separation method and system for producing oxygen to support combustion in a heat consuming device51US 6,382,958 B1Praxair Technology, Inc. · 2002
- Vapor pump employing counterflow exchange between air and combustion products without an intermediate fluid21US 5,178,210 AGaz de France · 1993
- Steam air preheater for maintaining the flue gas temperature entering dust collection equipment20US 4,205,630 ACombustion Engineering, Inc. · 1980
- Corrugated sheet heat exchanger18US 4,029,146 AJohn Zink Company · 1977
- Waste heat recovery system15US 4,137,965 A1979