US Patent 11946788 Airless metered fluid dispenser assembly

A liquid dispensing apparatus including a dispensing nozzle, end cap housing, lock-out mechanism, and dosage collar, wherein the lock-out mechanism is configured to prevent additional actuation of the dispensing nozzle and the dosage collar is configured to determine how far the dispensing nozzle may travel without resetting, which may allow the user to dispense a specific dosage of material to be dispensed via the dispensing nozzle.