In a fluid pump and cartridge assembly, a cartridge includes a material inlet port, a material outlet port, and a feed screw. The feed screw delivers fluid to be dispensed from the fluid inlet to the outlet port. The fluid inlet is preferably elongated in a direction along a longitudinal axis of the...http://www.google.es/patents/US7762480?utm_source=gb-gplus-sharePatente US7762480 - Dispense tip with vented outlets
