Matches 1 - 23 out of 23
Match Document Document Title
6435845 Air driven devices and components therefor  
An air driven double diaphragm pump has two opposed pumping cavities with diaphragms extending thereacross. A shaft extends between the diaphragms and through an actuator housing. The housing...
6152705 Air drive pumps and components therefor  
An air driven double diaphragm pump has two opposed pumping cavities with diaphragms extending thereacross. A shaft extends between the diaphragms and through an actuator housing. The housing...
5894781 Hydraulic hammer  
A hydraulic hammer for driving a pile into soil in which an impact weight is arranged for being driven with reciprocating motion along guideways in a casing by a double-acting hydraulic cylinder. A...
5024142 Cyclically operating fluid drive motor with magnetically controlled diaphragm valves  
Presented is a fluid drive motor that may be attached to a conventional garden hose, for instance, to effect reciprocating motion of a drive shaft that may be connected to a utilitarian device,...
4610381 Drywall tool  
A drywall tool provides tactile and audible feedback to the user, as a fastener is driven by frequent multiple blows, to indicate when the fastener is properly driven, and the drywall dimpled,...
4452573 Variable pilot chemical pump  
A chemical pump actuator utilizes a variable pilot for operation of the piston power unit and an attached chemical injector. The pilot structure includes a pair of valve assemblies for regulating...
4390035 Liquid mixing systems  
A water-type spray application system employing a hydraulically-operated motor which is operated by the source of supply of the water or base carrier liquid and where the hydraulic motor...
4329806 Fluid engine  
A fluid engine for use in pneumatically operated toys such as wheeled vehicles or airplanes. The engine housing has a fluid input cavity which is in continuous fluid communication with a source of...
4305327 Pressurized gas engine  
An engine is provided which converts pressurized gas into useful mechanical energy. The engine uses pressurized gas in such a way to avoid contact between the gas and sliding metal parts. As such,...
4296672 Reciprocating piston-cylinder combination and valving control therefor  
A piston-cylinder combination having a piston arranged for reciprocating movement within a cylinder under fluid pressure, the fluid pressure being ultimately delivered to the sides of the piston...
3791264 POWER TRANSMISSION DEVICE FOR ROTATING A GRADER CIRCLE  
A grader circle has an annular internal gear which is meshed with a gear carried at the bottom of a crank shaft. A pair of double-acting hydraulic actuators have their piston rods connected to the...
3658387 THERMALLY ACTIVATED POWER BRAKE SYSTEM AND PUMP THEREFOR  
A power brake system for vehicles wherein thermal energy from the exhaust of the engine of a vehicle is converted into mechanical energy which is used to apply the brakes of the vehicle. In the...
3464315 MECHANICAL PNEUMATIC SERVO CONTROL SYSTEM FOR HIGH-SPEED IMPACT DEVICES  
3296938 Reciprocating hydraulic motor  
3296941 Logic control system  
3183787 Fluid motor  
3051134 Pressure fluid operated drill motor  
3030927 Fluid motor  
2978842 Air operated valve grinder  
2887094 Water supply actuated medicinal additive proportioning device  
2832294 Heart pump  
2789540 Compound hammer  
1000071 Title is not available  
Matches 1 - 23 out of 23