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A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
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| Number | Title | Issue Date |
| 7316544 | Automatic pneumatic pump An automatic, pneumatic pump having a chamber that is gravity fed through a top opening and through a vertical tube with waste liquid. A buoyant plunger sits on an air inlet nipple, which nipple is located at the bottom of the chamber. Liquid entering the chamber ca... | 01/08/2008 |
| 7070394 | Gas pressure driven fluid pump having pilot valve controlling disc-type motive and exhaust valves A gas pressure driven fluid pump comprising a pump tank having a liquid inlet and a liquid outlet. A float, carried within the interior of the pump tank, is operable to move between a low level position and a high level position. A snap-acting valve is operatively c... | 07/04/2006 |
| 7048513 | Gas pressure driven fluid pump having compression spring pivot mechanism and damping system A gas pressure driven fluid pump having a pump tank with a liquid inlet and a liquid outlet. A float assembly is carried within the interior of the pump tank and is movable between a low level position and a high level position. A compression spring is connected bet... | 05/23/2006 |
| 6988332 | Air driven liquid pump An air driven liquid pump includes a reservoir, a liquid inlet aperture extending through the reservoir wall for fluid coupling to a liquid inlet duct, a liquid outlet aperture extending through the reservoir wall for fluid coupling to a liquid outlet duct. The liqu... | 01/24/2006 |
| 6599096 | Steam driven pump A pump includes a valve mechanism having an opened position and a closed position. The pump further includes a spring assisted mechanism for selectively moving the valve mechanism between the opened position and the closed position, and a fluid detector f... | 07/29/2003 |
| 6572340 | Pressure motive pump assembly comprising a float, an over center linkage mechanism, and a pair of positive stop or abutment means for ensuring over center tripping action A motive pump assembly comprising a hollow housing having an inlet valve and outlet valve for a fluid to be pumped, an inlet valve for a motive fluid operatively between open and closed positions, a vent valve and means for simultaneously opening and clos... | 06/03/2003 |
| 6146104 | Groundwater recovery system incorporating a combination of pressure and vacuum to accomplish removal of groundwater fluids from a downhole pump A well and method for using the well for removing lighter than water pollutants (e.g. hydrocarbons and other organics) from a water table. The well includes a pneumatic pump having an air exhaust port to which a vacuum hose is attached for applying a vacu... | 11/14/2000 |
| 6027314 | Pneumatically powered submersible fluids pump with casing activator A pump, submerged in a fluid in a pump or well, has a buoyant outer, enclosing casing. Communicated to the casing are a conduit to supplying compressed air to the casing, a conduit for carrying the exhausted air away from the casing, an inlet and check va... | 02/22/2000 |
| 5944490 | Pneumatically operated submersible pump with float control A submersible pump is disclosed for use in a body of liquid such as a well or sump. The pump has an air intake port and an air outlet port, as well as a liquid intake port and a liquid discharge tube. A valve mounted within the pump selectively permits th... | 08/31/1999 |
| 5941691 | Overcenter mechanism for a pressure powered pump A pressure powered pump has valve members 18, 20 operated by a float acting through an overcenter mechanism 24. The overcenter mechanism has a valve actuating lever 36, on which are provided actuating pins 46, 48 for engagement with the respective valve m... | 08/24/1999 |
| 5641271 | Float operated pump including diaphragm valve assembly with bleed passage Pump (1) includes a pneumatic valve assembly (98) having a chamber (105) which is supplied by compressed air via an inlet pipe. Included within chamber (105) is a valve (109) with a chamber (111) divided into two separate compartments (112,113) by a plian... | 06/24/1997 |
| 5487647 | Pneumatically powered submersible fluids pump with casing activator and biasing means A pump, submerged in a fluid in a pump or well, has a buoyant outer, enclosing casing. Communicated to the casing are a conduit to supplying compressed air to the casing, a conduit for carrying the exhausted air away from the casing, an inlet and check va... | 01/30/1996 |
| 5451144 | Air-operated pump An air-operated pump includes a pair of poppet valves affixed to a vertical valve shaft and arranged so that the upper valve is closed when the lower valve is open, and vice versa. When a connected displacer is immersed in tank fluid, its buoyancy in comb... | 09/19/1995 |
| 5445501 | Snap action float valve assembly for liquid feeding device A device for feeding liquid under pressure comprises a vessel having an operating fluid inlet, an operating fluid outlet, an inlet opening for the liquid to be fed under pressure and an outlet opening for the liquid to be fed under pressure; a float dispo... | 08/29/1995 |
| 4844699 | Submersible pump A pneumatically operated submersible pump and method for operating the same including a housing having a chamber disposed therein. A first opening is positioned in the housing for permitting liquid to flow into the chamber. A seal is operatively disposed ... | 07/04/1989 |
| 4352639 | Pneumatic pump A submersible pump casing is supported for limited vertical movement. Buoyancy of the casing changes according to the amount of water in the chamber. When pressurized air continuously supplied to the chamber has discharged most of the water, the casing ri... | 10/05/1982 |
| 4321017 | Pneumatic ejector control For starting and stopping air injection, a pneumatic ejector for a liquid transport system typified by a municipal sewerage system is provided with an air release valve fitted with a limit switch as a control device.... | 03/23/1982 |
