See how a magnetic pivot piece holds the lid open without falling, while threaded sealing preve
See how normally-closed slits in flexible housings open under lateral force to enable controlle
See how a press-button mechanism switches a suction nozzle between connected and sealed states
See how a lid assembly with rotatable flipper, plug, and concentrically aligned apertures preve
See how a radial locking pin engages a bent straw to prevent lid displacement and water leakage
See how a rotatable lid cover with magnetic biasing and gasket sealing reduces spillage by secu
See how a straw cup uses a non-return pad at the straw base to prevent leakage when tipped over
See how a threaded stopper provides audible, tactile, and resistance feedback to indicate open
See how a moveable outlet nozzle aligns with pull direction using a spherical housing and biasi
See how a rotatable valve with removable stopper simplifies lid cleaning and reduces fabricatio
See how a squeeze-actuated spout with live hinge and catch mechanism prevents spillage and heat
See how a rotatable lid with aligned fluid passages enables a single vessel to switch between s
See how an angled seal protrusion on a pivoting lid dome seals against a pliable mouthpiece to
See how a flexible spout with integrated pressure relief valve eliminates suction pauses in chi
See how a central air duct with tunnel-based surge protection prevents liquid spray during pres
See how a tubular flow-path insert deflects sloshing liquids through a controlled path, prevent
See how a toggle mechanism replaces spring-driven ratchet systems in beverage lids, enabling dr
See how a unified actuator opens both the dispensing opening and internal valve to prevent spil
See how a pneumatic bladder expands against retained liquid using pressure differentials to eli
A dome-shaped membrane, ridge, and slit let a child open the spout with light lip pressure while closing quickly to limit spills.