F42B 19/20
Characterised by the composition of propulsive gas
Official title: characterised by the composition of propulsive gas; Manufacture or heating thereof in torpedoes
F42B19/20 (Characterised by the composition of propulsive gas) appears on 11 US grants and 0 published applications in this corpus.
Search patents in F42B- Granted patents
- 11
- Published applications
- 0
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 13 Oct 1987
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Internal combustion closed rankine cycle steam engine13 Oct 1987US 4,698,974 AThe Garrett Corporation
- Internal combustion engines23 Jun 1987US 4,674,463 ACosworth Engineering Limited
- Combustion independent from ambient air12 May 1987US 4,663,933 AErno Raumfahrtechnik GmbH
- Gill for extracting oxygen from oxygen bearing fluids5 May 1987US 4,662,904 AAquanautics Corporation
- Non-condensible ejection system for closed cycle Rankine apparatus21 Apr 1987US 4,658,589 ASundstrand Corporation
No published applications in this class yet.
Most cited
By later US patents
- Internal combustion engines41US 4,674,463 ACosworth Engineering Limited · 1987
- Liquid monopropellant compositions28US 4,047,988 AThe United States of America as represented by the Secretary of the Navy · 1977
- Deaerator usable in a system for a steam powered torpedo and deaerating method14US 4,516,987 ASundstrand Corporation · 1985
- Internal combustion closed rankine cycle steam engine11US 4,698,974 AThe Garrett Corporation · 1987
- Energy source for closed cycle engine8US 4,598,552 ASundstrand Corporation · 1986