Aerating pumps for aquaria; Back pressure valves as parts of machines; Ball valves being parts of machines; Butterfly valves being parts of machines; Centrifugal pumps; Hydraulic controls for machines, motors and engines; Kitchen machines, namely, electric standing mixers; Pneumatic controls for machines, motors and engines; Pneumatic pumps; Pump diaphragms; Pumps as parts of machines, motors and engines; Pumps for machines; Servo-valves; Vacuum pumps; Valves being parts of machines; Valves f...