Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 5833439 | Slide valve of a gas driven pump A gas driven pump has a housing, first and second cylinders disposed within the housing, and first and second interconnected pistons having product intake and product exhaust positions disposed within the first and second cylinders, respectively. A slide ... | 11/10/1998 |
| 5664940 | Gas driven pump A gas driven pump has a housing, first and second cylinders disposed within the housing, and first and second interconnected pistons having product intake and product exhaust positions disposed within the first and second cylinders, respectively. A slide ... | 09/09/1997 |
| 5137435 | Compression spring fluid motor A reciprocating primary fluid driven motor has a stepped piston in a housing having a center hanging actuator rod which extends into the piston to periodically cooperate with an axially shiftable connector member in the piston which operates valves which ... | 08/11/1992 |
| 4899639 | Reversing mechanism for a switchover seat-type valve A switchover valve has a pair of levers on the valve piston which can be displaced against spring force through deadcenter positions to engage stops on brackets connected to the valve housing and traversed by the levers. A switching member in lost motion ... | 02/13/1990 |
| 4828465 | Single-acting, gas-operated pump A single-acting, gas-operated, pump method and apparatus including a pump body having a main chamber divided by a reciprocating piston assembly into a gas driving chamber and a liquid pumping chamber, a spring for biasing the piston assembly into one of i... | 05/09/1989 |
| 4776775 | Chemical injector pump The liquid pressure capacity of a chemical injector pump is increased substantially by using high pressure gas to drive the gas motor. In one embodiment, the chemical injector pump includes a liquid pump end, a gas motor end, a low pressure position respo... | 10/11/1988 |
| 4756329 | Devices for the injection of an additive product metered into a main fluid The invention relates to a device for injecting a metered product into a main circulation of liquid, comprising a metering piston (28) coupled to a stepped piston (11) whose motion results from the pressure of the main fluid in a known manner. The piston ... | 07/12/1988 |
| 4682937 | Double-acting diaphragm pump and reversing mechanism therefor A double-acting, pneumatic, reciprocating diaphragm pump and reversing mechanism therefor including a pump housing including a pair of spaced apart chambers, a diaphragm member dividing each chamber into a driving section and a discharge section, a shaft ... | 07/28/1987 |
| 4681518 | Single-acting, gas operated pump A single-acting, gas operated, pump method and apparatus including a pump body having a main chamber divided by a reciprocating piston assembly into a gas driving chamber and a liquid pumping chamber, a spring for biasing the piston assembly into one of i... | 07/21/1987 |
| 4558715 | Apparatus for injecting measured quantities of liquid into a fluid stream A liquid additive injection pump has a hydraulic motor comprising a differential piston assembly reciprocable in a housing under the urging of a primary liquid into which an additive is to be injected. The piston assembly carries valves which are responsi... | 12/17/1985 |
| 4472996 | Toys utilizing fluid propulsion device A series of toys having unique motions are activated by a fluid propelled propulsion device. The propulsion device includes a housing with a cylinder located thereon. A pressurized fluid reservoir connects to the cylinder via a valve. The valve has provis... | 09/25/1984 |
| 4436493 | Self contained pump and reversing mechanism therefor A reversing mechanism for a reciprocating pump provided in a common housing or module removably secured to the pump body adjacent to the pump shaft. The module housing includes top and bottom pieces which slide together with suitable tongue and groove ele... | 03/13/1984 |
| 4403925 | Diaphragm fuel pump and associated method A pneumatically operated diaphragm fuel pump comprising a ram actuated by a diaphragm and arranged in a drive chamber and a reversible lever subjected to the action of a tension spring for actuating suction and air-inlet valves. The lever is locked with r... | 09/13/1983 |
| 4299545 | Hydraulic oil well pumping apparatus An oil well pump which uses a pair of vertical hydraulic pistons to raise a cross beam. The polish rod is secured to the cross beam. At the top of the stroke automatic limit switches reverse the hydraulic fluid flow to allow the polish rod to descend and ... | 11/10/1981 |
| 4184409 | Hydraulic engine A hydraulic engine having a fluid pump for pumping a fluid medium under pressure to a fluid motor connected to the pump for being actuated by the fluid medium under pressure received from the pump. A control system regulates operation of the pump and moto... | 01/22/1980 |
| 4127057 | Reciprocating fluid stroke motors with automatic control A new control system is provided for a reciprocating fluid stroke motor of the type which is pressured at its rod end, reciprocation being achieved by intermittent exposure of its full blind-end face to the pressure fluid to overcome the pressure applied ... | 11/28/1978 |
