Patent References 3806031 Dialyzer casing Current matrix for encoding television video signals Drip level irrigation Patent #: 4215822 InventorApplicationNo. 06/251218 filed on 04/06/1981US Classes:239/542, CONDUIT OR NOZZLE ATTACHED IRRIGATION-TYPE DECELERATOR138/42Tortuous pathExaminersPrimary: Love, John J.Assistant: Sobel, Paul A. Attorney, Agent or FirmInternational ClassA01G 25/02 (20060101)AbstractA drip irrigation emitter where turbulent flow and angled ribs in a tortuous channel reduce fluid pressure, providing for minimal variations in outlet flow rate from the emitter, irrespective of emitter inlet pressure. | |