Sprinkler heads for irrigation sprinklers; Fitted covers for irrigation sprinkler heads; Valves being parts of lawn sprinkler systems; Lawn sprinkler systems comprising pumps, valves and filters; Irrigation sprinklers; Pressure-activated pop-up water sprinklers mounted on non-metal fence panels and posts; Drip irrigation emitters; Irrigation solution warmers; Agricultural irrigation units; Irrigation spray nozzles; Water treatment apparatus for infusing irrigation water with liquid fertilizer; Cooling apparatus used for blood, intravenous solutions, irrigation solutions, and other medical and surgical fluids; Water-saving faucets; Water-saving aerators for faucets; Steam valves; Shower mixing valves; Mixing valves for faucets; Water control valves for faucets