Class 4/545 - With heating of tub structure

Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Subject matter which includes means for heating the tub
No. of patents: 40
Last issue date: 10/19/2010

Number	Title	Issue Date
7814584	Bathing apparatus Disclosed is a bathing apparatus for a child that comprises a tub and a cradle. The tub is nestable with the cradle and includes a bottom wall and at least one side wall, each wall having an inside and an outside surface. The bottom wall includes a heat conductive m...	10/19/2010
7490369	Illuminated bathtub and support system A bathtub has a shell for transmitting light thorough a thickness. A light emitting diode is disposed under the shell, in which the light from the light emitting diode is transmitted thorough the thickness of the shell. A bathtub includes a reflector sheet for refle...	02/17/2009
7216376	Hygiene station for individuals The present invention comprises a disposable hygiene device with a toilet seat with a top and bottom surfaces, where the toilet seat folds for storage before or after use. A receptacle is attached to the bottom surface of the toilet seat. After use, an adhesive on t...	05/15/2007
6976052	Spa control system An improved spa control system is disclosed. The invention describes a spa control system which calculates the time required to heat the water in the spa system to a desired temperature. From that information, the heating rate of the spa system can be determined, an...	12/13/2005
6965815	Spa control system An improved spa control system is disclosed. The invention describes a spa control system which calculates the time required to heat the water in the spa system to a desired temperature. From that information, the heating rate of the spa system can be determined, an...	11/15/2005
6943325	Water heater An improved water heater for use in spas, hot tubs, pools, hydrotherapy pools, bath tubs, and similar bodies of water used indoors, outdoors, or both indoors and outdoors are used for both therapeutic and recreational purposes. The water heater uses heating element ...	09/13/2005
6925661	Bathtub/shower water control system A water control system includes a control panel connected to a power source and is mountable adjacent to a bathtub. The system further includes a plurality of sensors connected to the control panel for determining water temperature and water flow rate wherein the pl...	08/09/2005
6922856	Safety bathtub A safety bathtub including at least one upstanding wall; and a built-in thermometer in the wall, the thermometer including a measuring portion and a scale portion, and the thermometer being mounted such that the measuring portion is immersed in water when the bathtu...	08/02/2005
6875961	Method and means for controlling electrical distribution Apparatus for controlling heating of a liquid or liquid stream including electrical equipment operated in conjunction with such heating; a device or devices for monitoring the voltage level of electrical power supplied to such equipment; and a control or controls fo...	04/05/2005
6581217	Directional air vents for spas and jetted bathtubs An air-blowing assembly for providing cooling air to the user of a spa, jetted bathtub or other heated water-containing member. The assembly has an air blower with an air blower inlet which received air from outside of the area of the spa. The blower cond...	06/24/2003
6453487	Portable field sanitation unit A field sanitation unit provides multiple compartments forming separate sinks. The multiple compartments are heated via a channel located on the underside of the trough, having at one end thereof a firebox. The firebox receives a flame tube from a burner,...	09/24/2002
6317903	Bathtub design with therapeutical treatment devices A hydro massaging tub is used for massage treatment wherein the treatment is performed by ozone-mixed warm air or water jets distributed adjacent the bottom wall of the tub all about its circumference. Ozone generated by an ozone generator is injected in ...	11/20/2001
6303910	Method of making an injection molded paraffin bath and apparatus made thereby A paraffin bath apparatus has injection molded components including an inner tub, housing, base, control panel, and lid. The inner tub is provided with paired flanges on its bottom surface to which a wire heating element is assembled and secured. Wire gui...	10/16/2001
6243889	Thermo-acoustic insulation system for sanitary device The whirlpool tub includes a rigid tub shell inserted into the opening of a surrounding podium. The tub is to be filled with hot water. A first insulation membrane is installed spacedly around the tub inside the podium, defining a first closed air pocket ...	06/12/2001
6175970	Towel warming system for spa tub A spa enclosure for a spa tub is provided with a cabinet having at least one towel bar or towel hook and which at least partially recesses into the wall of the enclosure. The cabinet is provided with vent openings which permit heat cogenerated by a water ...	01/23/2001
6059965	Process and device to sterilize a stream of water Installation for the sterilization of a body of water wherein the water is conveyed through a heat exchanger to a heat source, where it is heated up to the sterilization temperature. This stream of hot water transfers its heat to the incoming stream of wa...	05/09/2000
5930851	Hydro-thermo massaging tub and method of treatment A hydro-thermo massaging tub and method of massage treatment wherein the treatment is performed by warm air jets distributed adjacent the bottom wall of the tub all about its circumference. Air jets are formed by holes made in the tub wall with the longit...	08/03/1999
5884694	Bathroom dehumidifier method and apparatus A dehumidifier for use in a bathroom or the like utilizes the cold surface of a heat exchanger to condense moisture, and the hot surface of a heat exchanger to warm the air after the moisture is removed. The cold surface is provided by having the cold wat...	03/23/1999
5794280	Spa apparatus with heat transferring hanging interior structural liner A heated therapeutic spa which comprises a spa tub containing water and having plumbing attached thereto, the tub having a wall which is a relatively good thermal conductor; a thermally efficient, insulating container comprising a load bearing outer wall,...	08/18/1998
5745934	Spa apparatus with hanging structural liner The method of providing a spa tub, and comprising providing a load-bearing tub side wall having an inner side and an outer side, the tub having an interior to receive liquid; the tub side wall provided to include at least two wall sections, spaced about t...	05/05/1998
5718007	Portable spa with easy access maintenance tray A spa is provided wherein fluid circulation equipment is disposed on a movable tray to facilitate maintenance work on such fluid circulation equipment....	02/17/1998
5649330	Heated flexible bathing container A self-heating outdoor bathtub to better simulate natural hot spring pools. Allows use of major components salvaged from discarded water heaters. Inconspicuous appearance, low value, and durability, eases concerns of theft or vandalism. A water heating un...	07/22/1997
5345621	Method of insulating a spa using a flexible insulation blanket A portable type spa is insulated by a sequence of steps involving initially the preparation of an insulation blanket having a metal foil heat reflective surface on one side with orthogonal dimensions of the blanket sized larger than the orthogonal dimensi...	09/13/1994
5345996	Energy saving water and air bubble heat maximizer for swimming pools, hot tubs, and spas An adjustable, energy saving, high speed, air bubble and water heating system extracts waste heat from the exhaust of a water heater on a swimming pool, hot tub, or spa to heat air and/or water. The use of the waste heat results in accelerated heating of ...	09/13/1994
5301745	Installation for heat recovery An installation for heat recovery from warm household drain water produced at household water consumption points, comprising a distributor tank, a first pipeline system which delivers warm household drain water from the consumption points to the distribut...	04/12/1994
5172754	Heat exchanger for recovery of heat from a spa or hot tub pump motor A heat exchanger coil for heating water in a spa or hot tub by transferring heat generated by an electric motor driving a pump to the water in the coil while the pump circulates the water through the spa or hot tub. A restrictor mounted on the shaft of th...	12/22/1992
5148858	Heat exchanger connected to a waste water discharge conduit A water discharge conduit is disposed in a downwardly inclined direction for receiving a flow of waste water at an upper end, for example, from baths, showers and the like. A water trap is disposed below the conduit in parallel relation and has an intake ...	09/22/1992
5143149	Wastewater heat recovery apparatus A heat recovery system with a heat exchanger and a mixing valve. A drain trap includes a heat exchanger with an inner coiled tube, baffle plate, wastewater inlet, wastewater outlet, cold water inlet, and preheated water outlet. Wastewater enters the drain...	09/01/1992
5038853	Heat exchange assembly A heat exchange assembly for use in combination with motor driven fluid pumps and the like, such as a motor, is provided. The assembly comprises a suction manifold, a discharge/diverter manifold, and a heat exchange jacket. The heat exchange jacket is mai...	08/13/1991
4924069	Hot water supply for tubs Tubs are supplied with hot water through a water circulation system including a pump, an elongate electric flow-through heater, a water filter and piping connecting that pump, elongate flow-through heater and water filter in series in that water circulati...	05/08/1990
4903352	Fluid flow massaging apparatus A fluid jet flow massaging apparatus adapted for use within a bathtub unit comprises a first bathtub and a second bathtub which is accommodated within the first bathtub with a space defined therebetween and which has an inner volume sufficient for accommo...	02/27/1990
4821793	Tub and shower floor heat exchanger A heat exchanger unit to be positioned in the floor area of a bathtub or shower stall which extracts heat from spent shower or bath water, transferring that heat to water yet to be supplied to the shower or bathtub, reducing the amount of hot water requir...	04/18/1989
4754502	Inflatable bath A self-standing inflatable bath is provided which is constructed in a manner somewhat similar to the construction of an inflatable rubber raft, and which is intended to be placed on a solid surface, such as a patio, deck, and the like; or to be floated in...	07/05/1988
4663613	Protective system for hot tub water and power supply A tub is supplied with hot water through a water circulation system including a pump, a water filter and an electric flow-through heater energized through an electric contactor upon closure thereof. A user of the tub is urged to service the water circulat...	05/05/1987
4455997	Heating unit for hot tubs and/or spa units A submerged heating unit fueled by wood and/or coal is disclosed for heating water in a tub or spa unit. The heating unit is composed of a single shell of a highly heat-conductive metal, such as aluminum, and has a generally L-shaped configuration in cros...	06/26/1984
4409694	Electronic control device for liquids An electronic device is disclosed for controlling the temperature of a liquid such as water flowing into a container such as a bathtub or the like. The device also controls the level of liquid within the container and includes a solid state circuit in con...	10/18/1983
4385724	Apparatus for controlling the water temperature of a spa An improved temperature sensing and control apparatus for a spa is described, which control apparatus is located at the spa. A switching means is disposed in the series electrical circuit of a water heating mechanism. The switching means is remotely contr...	05/31/1983
4291423	Heat reclamation for shower baths, sinks, and other fluid receiving vessels A shower bath, sink, or other fluid receiving vessel is described wherein heat is reclaimed from the drain fluid to warm the incoming cold water to reduce the amount of hot water which must be mixed in to produce water of the temperature desired for use w...	09/29/1981
4150665	Heater for hot tubs and storage tanks A heater for use with hot tubs formed from material subject to damage from excessive heat, the heater comprising a heating element arranged within a chamber adjacent a thermally conductive plate with one or more hollow extensions penetrating through a sur...	04/24/1979
4074370	Bathing apparatus for hospital or bedridden patients A relatively shallow fiberglas, or other sturdy but lightweight material, tub is provided with legs and lockable casters to be easily portable. The tub itself is of such size and shape as to enable usage by adults, while the legs support the tub with the ...	02/21/1978

PatentStorm

Celebrity Inventors

PatentStorm News

Class 4/545 - With heating of tub structure