F02M 31/0805
Pneumatic control of the amount of exhaust gas or combustion air directed
Official title: {Pneumatic control of the amount of exhaust gas or combustion air directed to the heat exchange surfaces, e.g. as a function of the pressure in the air intake passage}
F02M31/0805 (Pneumatic control of the amount of exhaust gas or combustion air directed) appears on 6 US grants and 0 published applications in this corpus.
Search patents in F02M- Granted patents
- 6
- Published applications
- 0
- Assignees
- 5
- Inventors
- 8
- Latest grant
- 20 Nov 1984
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Manifold cross-over control valve20 Nov 1984US 4,483,507 AEaton Corporation
- Valve, particularly crossover passage valve14 Dec 1982US 4,363,309 AAVM, Inc.
- Apparatus for diverting an exhaust stream22 May 1979US 4,155,339 AVolkswagenwerk Aktiengesellschaft
- Warming-up system for internal combustion engines21 Mar 1978US 4,079,715 ANissan Motor Co., Ltd.
- Warming-up system for internal combustion engines1 Feb 1977US 4,005,693 ANissan Motor Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Warming-up system for internal combustion engines20US 4,079,715 ANissan Motor Co., Ltd. · 1978
- Warming-up system for internal combustion engines8US 4,005,693 ANissan Motor Co., Ltd. · 1977
- Valve, particularly crossover passage valve5US 4,363,309 AAVM, Inc. · 1982
- System for the detoxication of exhaust gases3US 3,930,478 ARobert Bosch GmbH · 1976
- Apparatus for diverting an exhaust stream3US 4,155,339 AVolkswagenwerk Aktiengesellschaft · 1979