...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8095998 | Portable spa A spa pool assembly has a pool having an enclosing wall and a base that together defines an interior. The base has a plurality of inflatable sections that are divided by at least one air passage. A hose delivers air from outside the pool to the air passage, with the... | 01/17/2012 |
| 7849529 | Air injector system apparatus and methods for a tub or spa Apparatus and methods include an array of a plurality of individual air injector nozzles are integrally connected to a common air flow tube. The individual nozzles include an integral attaching plate and an integral air injector tube in addition to the common air fl... | 12/14/2010 |
| 7665158 | Hidden air jet with unidirectional flow mechanism and air massage system including at least one of these jets An air jet of an air massage system used with a bathtub having a wall defining opposite visible and hidden surfaces and defining a number of openings through the bathtub wall. The air jet comprises a hollow body having opposed inlet and outlet ends and a unidirectio... | 02/23/2010 |
| 7614095 | Air bath with bypass vent An air bath has air outlets extending around the side walls of the water basin. Air is delivered to the air outlets through a ring-like air manifold coupled to a blower by conduit. The conduit has a bypass vent that siphons off a portion of the air flow otherwise pa... | 11/10/2009 |
| 7503082 | Air massage system for bathtub An air massage system for a bathtub comprises a blower, an air distributor and the water jets. The air distributor connects the blower to the jets, and the jets are adapted to deliver air under pressure to the cavity defined by the bathtub. The jets include water ch... | 03/17/2009 |
| 7162752 | Laminar flow lighted waterfall apparatus for spa A laminar flow waterfall in the form of a single or multiple streams of water, each exiting from a nozzle in the top edge of a spa. The laminar water stream is created by a venturi nozzle located in a plenum chamber. The inlet side of the nozzle has a cover with a p... | 01/16/2007 |
| 7143456 | Device for a sanitary tub, for producing an air-water massage stream A device for a sanitary tub, for producing a massage stream of air and water has an accommodation device that can be attached at an opening in the tub body of the sanitary tub, for accommodating an electric motor having a drive shaft. A propeller having a hub is att... | 12/05/2006 |
| 7037280 | Foot massaging system A submerge massaging system controlled by a no-moving part backload responsive fluidic switch. ... | 05/02/2006 |
| 6968581 | Jet propulsion system for spa or jetted bath using control of air draw to venturi jets with a three-way air control valve A air selection control valve and assembly capable of controlling the flow of air into a water conduit to accelerate, decelerate, or pulse the rate of water flowing in combination with a hot tub spa assembly is described. The control of the air inlet is controlled t... | 11/29/2005 |
| 6957452 | Optical coupler for use with light-transmissive above-counter sinks An optical coupler for use within a sink assembly comprising a countertop having a countertop bore formed therethrough and a sink basin mounted above the countertop, the basin having a bore co-axial with the countertop bore for receiving the terminal end of a water ... | 10/25/2005 |
| 6916297 | Foot care apparatus and attachments A care or treatment attachment for a foot care apparatus, comprising at least one movable care or treatment element as well as a coupling piece, with which the attachment can be connected to the movement of a motor-driven driving shaft 8 inside the foot care ... | 07/12/2005 |
| 6877171 | Blow-off nozzle type bathtub with illumination A blow-off nozzle type bathtub with illumination according to the present invention comprises a cap having a plurality of nozzles for blowing off a fluid and for irradiating an illumination light in a head portion and having an inside thereof formed in a hollow shap... | 04/12/2005 |
| 6859953 | Jet propulsion system for spa or jetted bath using control of air draw to Venturi jets with a three-way air control valve A air selection control valve and assembly capable of controlling the flow of air into a water conduit to accelerate, decelerate, or pulse the rate of water flowing in combination with a hot tub spa assembly is described. This invention makes use of the control of t... | 03/01/2005 |
| 6792627 | Aerated bath An aerated bath 26 is disclosed comprising a plurality of receptacles 10 on the outside of the bath, each receptacle being in communication with the interior of the bath through one or a plurality of openings 16, and fluid supply means 20 | 09/21/2004 |
| 6775863 | Spa or pool switch A switching assembly that can be used on a spa, pool, bathtub, or aquarium shell without the need to form a hole in the shell. The switching assembly includes an actuator that is mounted on an interior surface of the shell and is exposed at least in part to water he... | 08/17/2004 |
| 6772455 | Foam generating apparatus for bathing and foam bath system A foam generating apparatus includes a foam generation device for generating initial foam by jetting air into a foaming agent solution and a foam fining device for fining the initial foam to produce the foam for foam bathing. A foaming tool provided within a foaming... | 08/10/2004 |
| 6752773 | Bubbling bath mat There is provided a foldable bubbling bath mat having two or more interconnected segments and a number of air channels with two or more apertures located in a bottom surface of the air channels. The bubbling bath mat is adapted to produce varying sized air bubbles a... | 06/22/2004 |
| 6745413 | Hydrotherapy jet system having fluid line quick connector adapted for multiple sizes of jet fixture bodies and other plumbing fittings A hydrotherapy jet system includes a fixture body, an air line connector coupled to the fixture body, and a water line connector coupled to the air line connector. The air line connector is provided with structure adapted to couple about the outside of relatively sm... | 06/08/2004 |
| 6725471 | Bath apparatus An apparatus is provided for bathing body parts, such as the feet. The apparatus includes a bath chamber for containing fluid, such as water, and receiving the body part therein. The bath chamber includes a bottom surface and a wall structure extending upwardly ther... | 04/27/2004 |
| 6708961 | Air bubble massage bathtub mat system An air bubble massage bathtub mat system featuring a remote control and a flexible mat is disclosed. The remote control unit communicates with a blower/air heater unit contained in a housing. The housing is connected to the mat by a tube that directs air into the ma... | 03/23/2004 |
| 6681414 | Jet flow control for hydrotherapy spa A spa comprised of a fluid enclosure having a floor and an upstanding sidewall includes a plurality of therapy stations within the enclosure. Each therapy station includes a hydrotherapy assembly and each such assembly includes a plurality of fluid jets i... | 01/27/2004 |
| 6629320 | Fluid flow systems and methods A fluid flow system for a hydrotherapy tub includes a fluid injector and a light source. The fluid injector is adapted to inject fluid to an interior of the hydrotherapy tub and the light source is adapted to direct light toward the interior of the hydrot... | 10/07/2003 |
| 6601246 | Bubbling bath mat There is provided a soft bubbling bath mat having a mat body of molded flexible material that houses a soft flexible foam pad adapted to fit between an outer edge of the mat body an interior air passageway. The air passageway is adapted at one end to form... | 08/05/2003 |
| 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 |
| 6568000 | Bath apparatus with therapy centers An apparatus is provided for bathing body parts, such as the feet. The apparatus includes a bath chamber for containing fluid, such as water, and receiving the body part therein. The bath chamber includes a bottom surface and a wall structure extending up... | 05/27/2003 |
| 6523192 | Method and apparatus for automatically disinfecting plumbing fixtures A system for automatically purging residual water from the whirlpool plumbing of a whirlpool bath. The system includes a bathtub, a primary water inlet in hydraulic communication with the bathtub, a primary water outlet in hydraulic communication with the... | 02/25/2003 |
| 6499154 | Bubble jetting apparatus The invention has an object to provide a bubble jetting apparatus which is simple in structure, can be easily installed in an existing bathtub without its apparatus body being installed in a bathtub, and excellent in use efficiency and various application... | 12/31/2002 |
| 6477724 | Water evacuation conduit for hydro massaging tub A hydro massage bathtub enclosure is provided with conduits interconnecting air jet holes provided in the sidewalls, end or bottom wall of the bathtub enclosure. One or more curved cavities are disposed below one or more of the air jet holes to create a t... | 11/12/2002 |
| 6427257 | Hidden air jet with unidirectional flow mechanism and air massage system including at least one of these jets An air massage system of air jets for injecting pressurized air into bathtubs. Each air jet has a hollow body component and an inlet fitting between which is housed a unidirectional fluid flow device. The outlet end of the jet is mounted directly to the h... | 08/06/2002 |
| 6405390 | Multifunctional foot spa The present invention provides a multifunctional foot spa comprising a chassis; a container disposed on the chassis comprising a left part and a right part; a foot rest arranged between the left part and the right part; central massage means including a m... | 06/18/2002 |
| 6406446 | High velocity current producing apparatus The present invention provides a high velocity current producing apparatus in a bathtub capable of producing high velocity current having an appropriate pressure in a bathtub with a simple construction, and capable of enhancing operability, functional pro... | 06/18/2002 |
| 6393633 | Bath apparatus An apparatus is provided for bathing body parts, such as the feet. The apparatus includes a bath chamber for containing fluid, such as water, and receiving the body part therein. The bath chamber includes a bottom surface and a wall structure extending up... | 05/28/2002 |
| 6357060 | Method and apparatus for purging water from a whirlpool system An apparatus for disinfecting and removing standing water from the hydraulic plumbing system that circulates water in a whirlpool bath. The apparatus includes a pneumatic pump fluidically coupled to the whirlpool hydraulic plumbing system of a whirlpool b... | 03/19/2002 |
| 6279177 | Method and apparatus for purging water from a whirlpool system An apparatus for removing standing water from the hydraulic plumbing system that circulates water in a whirlpool bath. The apparatus includes a pneumatic pump fluidically coupled to the whirlpool hydraulic plumbing system of a whirlpool bathtub, such that... | 08/28/2001 |
| 6122775 | Drain valve assembly and method of cleansing A drain valve assembly for use with an air bath including an air distribution system and a method of cleansing channels of an air distribution system for a bath vessel. The drain valve assembly is located within an opening in the bath vessel to control th... | 09/26/2000 |
| 6073277 | Hydrotherapy chair with aerating pad An economical hydrotherapy apparatus is provided for domestic use in conventional bathtubs. The apparatus includes a hydrotherapy chair and a relatively movable aerating pad, molded from plastic, that are placed in a bathtub for use with the seat of the c... | 06/13/2000 |
| 6009574 | Method and apparatus for providing a pulsed water massage A pulsing valve for routing water flow from an inlet line to outlet lines connected to water jets arranged in an array to massage an occupant of a whirlpool spa or bathtub is provided. The pulsing valve includes a water turbine driving a selector disk thr... | 01/04/2000 |
| 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 |
| 5791106 | Collapsible pool A collapsible pool assembly having a liquid impervious liner with collapsible perimeter walls of modular configuration.... | 08/11/1998 |
| 5682626 | Invalid bath chair with therapeutic whirlpool A chair having an open seat includes a hydro pad supported thereunder for creating a therapeutic whirlpool effect. The chair is utilized in a bath for treatment of perineal and perianal illnesses. The hydro pad comprises a shallow, substantially rectangul... | 11/04/1997 |