Patents Examined by Thor B. Campbell
  • Pond heater with water pump
    Patent number: 6970645
    Abstract: A pond heater with a water pump, the housing of the heater is provided with a holed seat for receiving the water pump; cold water enters the pond heater via a water inlet, and hot water generated by the heater is discharged from a water outlet to create convection in the pond to increase effect of ice removing.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: November 29, 2005
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang