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| Number | Title | Issue Date |
| 7240681 | Trailer mounted mobile apparatus for dewatering and recovering formation sand An apparatus for removing formation sand from an oil storage tank. The apparatus is mounted to a truck towable trailer so that it may be transported to remote sites. Mounted to the truck towable trailer is a container adapted to accept and dewater a sand-water slurr... | 07/10/2007 |
| 7201238 | Low friction face sealed reaction turbine rotors Rotary jetting tool including a rotor with axially-opposed pressure-balanced mechanical face seals. Vented upper mechanical face seal enables the rotor to be operated with the relativity low starting torque achievable using reaction forces from offset jets energized... | 04/10/2007 |
| 7198456 | Floating head reaction turbine rotor with improved jet quality A rotary jetting tool including a pressure-balanced rotor, which is achieved using a vented volume. Axial movement of the rotor relative to the housing caused by pressure imbalances acting on the rotor selectively uncovers or opens a vent that places the volume in f... | 04/03/2007 |
| 7032837 | Toy water gun with variable spray patterns A toy water gun of the type for ejecting fluid therefrom. The toy water gun may include a housing having a longitudinal axis and a reservoir attached to the housing for holding fluid. A holding area may be included which is selectively in fluid communication with th... | 04/25/2006 |
| 7004513 | Pipe coupling methods A pipe coupling method includes an inlet insert, a clamping ring, a clamp and the forming of a flange on an end of two adjacent pipes. A clamping ring includes an inner groove sized to receive the flanges of the two adjacent pipes. A first end of the inlet insert is... | 02/28/2006 |
| 6793152 | Self-adjusting rotating joint, especially for liquid distribution devices A self-adjusting rotating joint (1), especially for liquid distribution devices, including a first substantially tubular element (3), adapted to be connected to a liquid feeding inlet pipe, a second substantially tubular element (2), adapted to ... | 09/21/2004 |
| 6218232 | Method for fabricating DRAM device A method for fabricating a DRAM device, comprising the steps of: providing a SOI substrate upon which a first silicon layer, a buried oxide film and a second silicon layer are stacked; forming an isolation film in the second silicon layer; forming first a... | 04/17/2001 |
| 6109546 | Lawn sprinkler and bearing therefore A lawn sprinkler and bearing therefore is provided. The lawn sprinkler has first and second rotatable sprinkler elements supported on a support stand. The bearing allows the sprinkler elements to rotate in opposite directions to evenly distribute fluid ov... | 08/29/2000 |
| 4821961 | Self-rotating nozzle The self-rotating nozzle has a hallow shaft adapted for connection to a source of pressurized fluid. A body has an axial bore upon a central axis secured over one end of the shaft and has a counterbore. The shank with an end portion extends from the body ... | 04/18/1989 |
| 4702417 | Water sprinklers for irrigation systems A water sprinkler which includes a casing and an oscillatory sprinkler head mounted on the casing. The casing includes a water inlet and two water outlet paths. Within the casing there is a structure which cyclically connects the water inlet first to one ... | 10/27/1987 |
| 3931930 | Variable spray apparatus and method A spraying apparatus and a method for spraying a liquid in a pattern which can be adjusted without stopping the spraying operation. The apparatus comprises a pair of nozzles, each including an orifice providing a liquid stream therefrom. The nozzles are m... | 01/13/1976 |
