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Browse by Category: Main > Household
Class Information
Number: 4/493
Name: Baths, closets, sinks, and spittoons > Pool type > With heating means
Description: Subject matter having means to raise the temperature of the water.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8572769 Temperature conditioning of air about a spa vessel Nov. 5, 2013
8406932 Spa control with improved heater management system Mar. 26, 2013
8392027 Spa control system with improved flow monitoring Mar. 5, 2013
8270822 Aircraft use water heater Sep. 18, 2012
8214936 Spa having heat pump system Jul. 10, 2012
8014902 Method and apparatus for energy-efficient temperature-based systems management Sep. 6, 2011
7793652 Solar operated water heater Sep. 14, 2010
7721360 Swimming pool, spa, or combination swimming pool and spa, heated with a heat pump with a heat exchanger May. 25, 2010
7603727 Floating spa cover of adjustable size Oct. 20, 2009
7461416 Portable spa heater Dec. 9, 2008
7448095 Time tub Nov. 11, 2008
7370375 System and method of heating swimming pools and spas with steam May. 13, 2008
7043341 Swimming pool and spa heater control system and method May. 9, 2006
6976052 Spa control system Dec. 13, 2005
6965815 Spa control system Nov. 15, 2005
6874174 Pool insulation system Apr. 5, 2005
6854223 Modular precast spa system Feb. 15, 2005
6756567 Paraffin wax warmer bath Jun. 29, 2004
6747367 Controller system for pool and/or spa Jun. 8, 2004
6694541 Transparent fitting for spas and the like Feb. 24, 2004
6670584 Spa electric heater system using multiple spa heaters Dec. 30, 2003
6640352 Warm/cold double-circulation water filter system and swimming pool arrangement Nov. 4, 2003
6640353 Solar pool heating system Nov. 4, 2003
6623632 Flotation bath Sep. 23, 2003
6571789 High efficiency swimming pool or commercial liquid tank insulation device Jun. 3, 2003
6508247 Solar swimming pool heater panels Jan. 21, 2003
6503241 Pool heating apparatus Jan. 7, 2003
6460202 Transparent fitting for spas and the like Oct. 8, 2002
6425999 Warm/cold double-circulation water filter system and swimming pool arrangement Jul. 30, 2002
6354573 Swimming pool high velocity heating system Mar. 12, 2002
6231938 Extruded multilayer polymeric shell having textured and marbled surface May. 15, 2001
6200108 Heat exchanging means for a pump motor using a bypass tube within a recirculating water system Mar. 13, 2001
6145139 Supplementary water heater system for swimming pools and spa Nov. 14, 2000
6109050 Self regulating pool heater unit Aug. 29, 2000
6003164 Pool monitor and controller Dec. 21, 1999
6003166 Portable spa Dec. 21, 1999
5930852 Heat exchanging pump motor for usage within a recirculating water system Aug. 3, 1999
5932127 Heater control for spa Aug. 3, 1999
5893341 Mobile pool heating apparatus Apr. 13, 1999
5886323 Temperature regulated manicure bowl Mar. 23, 1999
5829069 Jet bath having multiple accessories Nov. 3, 1998
5809796 Self regulating pool heater unit Sep. 22, 1998
5809942 Pool and spa water heater Sep. 22, 1998
5794280 Spa apparatus with heat transferring hanging interior structural liner Aug. 18, 1998
5652972 Insulating panel Aug. 5, 1997
5606964 Portable pool heater Mar. 4, 1997
5601074 Automatic solar heating system Feb. 11, 1997
5526538 Water circulation and heating system for spas Jun. 18, 1996
5443112 Water flow and heat exchange control system and method between heat source and water reservoir Aug. 22, 1995
5438712 Hot tub heater system Aug. 8, 1995

1 2 3










 
 
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