F02M 31/064
Pneumatically controlled
Official title: {pneumatically controlled (F02M31/062 takes precedence)}
F02M31/064 (Pneumatically controlled) appears on 4 US grants and 0 published applications in this corpus.
Search patents in F02M- Granted patents
- 4
- Published applications
- 0
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 29 Jan 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for regulating the temperature of the intake air of mixed compression internal combustion engines with a pressure box29 Jan 2002US 6,341,598 B1
- Method and apparatus for supplying warm air to an air intake of an engine4 May 1999US 5,899,196 A
- Valve control mechanism22 Jul 1980US 4,213,481 ASchmelzer Corporation
- Air cleaner for automotive vehicle7 Mar 1978US 4,077,787 ANippondenso Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Method and apparatus for supplying warm air to an air intake of an engine14US 5,899,196 A1999
- Air cleaner for automotive vehicle4US 4,077,787 ANippondenso Co., Ltd. · 1978
- Valve control mechanism4US 4,213,481 ASchmelzer Corporation · 1980
- Device for regulating the temperature of the intake air of mixed compression internal combustion engines with a pressure box1US 6,341,598 B12002