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| Number | Title | Issue Date |
| 6905594 | Filter apparatus and methods to capture a desired amount of material from a sample suspension for monolayer deposition, analysis or other uses The present invention is a filter apparatus with methods to capture a desired amount of material suspended in a liquid or gas for monolayer deposition, analysis or other uses. Novel filter devices are employed to capture material which may be used for the purificati... | 06/14/2005 |
| 6123229 | Water discharge device particularly useful as toy water gun A water discharge device, particularly a toy water gun, includes a portable housing containing a reservoir for a quantity of water; a discharge control device for controlling the discharge of water from the housing; and a hand-operated pump for manually p... | 09/26/2000 |
| 6095183 | Safety relief valve A spring urged pressure relief valve, having a seat and a valve moved toward and away from the seat, is provided with a valve stem surrounding bushing forming a bushing chamber in combination with a disk on the valve stem. The bushing is provided with an ... | 08/01/2000 |
| 4130130 | Valve with variable secondary orifice A valve comprising inlet means having a bore, a seat at one end of the bore and an annular outer edge portion. A primary orifice is defined by a valve member and the seat, and a secondary orifice is defined by the valve member and the outer edge portion. ... | 12/19/1978 |
