| Patent Number |
Title Of Patent |
Date Issued |
| 5125372 |
Hydraulically operated engine valve system |
June 30, 1992 |
| An internal combustion engine comprises an engine head having at least one cylinder and a crank shaft. Each cylinder holds a piston for driving the crank shaft. At least one intake and one exhaust valve assembly is positioned adjacent each cylinder. Each intake and each exhaust valve |
| 5090366 |
Hydraulically operated engine valve system |
February 25, 1992 |
| An internal combustion engine comprises an engine head having at least one cylinder and a crank shaft. Each cylinder holds a piston for driving the crank shaft. At least one intake and one exhaust valve assembly is positioned adjacent each cylinder. Each intake and each exhaust valve |
| 4368785 |
Well point and method of driving same |
January 18, 1983 |
| Several embodiments of a well point are disclosed which include a resilient member that elongates each time an anvil surface near the conical tip of the well point is impacted by a drive rod. The drive rod is repeatedly raised and dropped to force the well point downwardly through the so |
| 4213482 |
Hydraulic coupler |
July 22, 1980 |
| A detachable hydraulic coupler includes a male and female portion each including a valve which closes to prevent leakage when the coupler portions are detached. The valves do not directly contact each other when the coupler is closed, thereby simplifying the closing operation. The se |
| 4179889 |
Control circuit for hydraulic cylinder and shaft assembly |
December 25, 1979 |
| A control circuit for a hydraulic cylinder and shaft assembly to regulate movement of the shaft relative to one end of the cylinder. The circuit has a fluid pressure supply and associated reservoir and a metering valve with interconnected normally closed passage means connected at one en |
| 4135897 |
Air cleaner |
January 23, 1979 |
| An air cleaner is provided having an inlet and a concentric outlet passage. Means is provided for imparting a whirling motion to the air as the air enters the inlet. Provision is made for varying the size of the inlet so that the velocity of the air may be adjusted for different engine s |
| 4013230 |
Shower head |
March 22, 1977 |
| A shower head having a main body with a passageway extending therethrough and adapted to be connected to the end of a water supply pipe, an annular skirt attached to the outlet end of the body and a multi-apertured disk mounted on the body for breaking up the water flowing through the |
