Class F04F : PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED
Subclass 1/16: Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped (using only negative pressure F04F 3/00; jet pumps F04F 5/00; siphons F04F 10/00) the fluid medium acting on the surface of the liquid to be pumped (F04F 1/02 takes precedence) characterised by the fluid medium being suddenly pressurised, e.g. by explosion
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12188490 | Oxyhydrogen pulse and rotary detonation combustion pump | Aug 10, 20 | Jan 07, 25 | Not available |
| 12037996 | Fuel driven near isothermal compressor | Aug 09, 21 | Jul 16, 24 | UT-BATTELLE, LLC |
| 11073168 | Compressor having elliptically-shaped combustion chambers with fuel injection and ignition occurring at the foci | Feb 21, 18 | Jul 27, 21 | Not available |
| 8881499 | Under water hydrogen and oxygen powered hydraulic impulse engine | May 07, 12 | Nov 11, 14 | Saigeworks, LLC |
| 8282362 | Gas compressor | Sep 07, 06 | Oct 09, 12 | POWER ENERGY RESEARCH, LLC |
| 5391057 | Compressing gas flowing through a conduit | Apr 19, 93 | Feb 21, 95 | SHELL OIL COMPANY |
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