Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7353548 | Kit for portable whirlpool bath A kit for a portable hydrotherapy system includes a wheeled vessel having a handle at one end for easy transport, an insert configured for retaining components of a water circulator pump system when not in use, whereby the loaded insert is stored in the vessel with ... | 04/08/2008 |
| 7284391 | Pump assembly for an ice making machine An ice making machine has a mechanical compartment and a water compartment that houses a water system, and a pump assembly. The pump assembly includes a motor and a pump housing connected to the motor. The pump assembly is mounted to a base between the machine compa... | 10/23/2007 |
| 6969052 | Air aspirator-mixer A single port venturi device is provided for aeration of wastewaters containing suspended solids. The device has a non-obstructive design which prevents attachment or accumulation of suspended solids, and promotes even air distribution for efficient aspiration of ai... | 11/29/2005 |
| 5245714 | Whirlpool bath provided with hot water blow-off control A whirlpool bath is provided with a bathtub body, a circulating pump, a hot water circulation path disposed between said bathtub body and said circulating pump, a plurality of blow-off nozzles which are mounted on said respective terminal ends of the hot ... | 09/21/1993 |
| 5230106 | Hand held tap water powered water discharge apparatus A water discharge apparatus configured to be held in a user's hand, and powered by a tap water source for selective operation in a continuous shower spray mode, a pulsed shower spray mode, or a submergible hydromassage mode.... | 07/27/1993 |
| 5195511 | Bubble massager The present invention relates to a bubble massager used in a bathtub in which a rechargeable storage battery is used as a power supply, One display unit for displaying both a charging state and an operating state is provided. It is possible to discharge a... | 03/23/1993 |
| 5067481 | Control device for an air-bubble massage appliance A control device for an air-bubble massage appliance has an external housing containing an electric motor driven blower enclosed by a cover and also containing an internal housing having a horizontally aligned connecting piece which connects on one end to... | 11/26/1991 |
| 5003646 | Hydrotherapy apparatus A hydrotherapy apparatus incorporating a water wheel coupled to a reduction gear assembly for providing a strong jet of water at an extremely uniform rate of rotation, even at slow rotational speeds. The water wheel has a relatively small diameter so that... | 04/02/1991 |
| 4985943 | Two-stage adjustable hydrotherapeutic jet and method A hydrotherapeutic jet for a hydrotherapeutic receptacle employs three nozzels and two separate mixing chambers. A primary stream of water flows through the first nozzel to create a low pressure condition which sucks air into the first mixing chamber, cau... | 01/22/1991 |
| 4957101 | Portable bubble bath assembly A portable bubble bath assembly disclosed is designed to be installed in the bathtub and includes an underwater electric pump, a nozzle and a retaining member for retaining the nozzle over the bath water upon the installment of the assembly. The pump has ... | 09/18/1990 |
| 4942871 | Floatable bubble bath assembly There is disclosed a bubble bath assembly including a housing, a pump mechanism and a water-jetting mechanism. The housing has an inlet and an outlet. The pump means is encased within the housing in order to draw water into the housing through the inlet a... | 07/24/1990 |
| 4924535 | High-speed emitting apparatus of mixed fluid for use in a bathtub An apparatus positionable within a bathtub for discharging a jet stream of warm water, as sucked from the bathtub, having air bubbles mixed therein to cleanse and massage a part of the human body. The apparatus includes a main body for emitting the jet st... | 05/15/1990 |
| 4872224 | Bathtub apparatus A bathtub apparatus is set forth wherein a portable module positionable overlying an associated bathtub rim includes a pump member for recirculating water through an inlet filtration pipe and selectively heating said water as desired. Included is valving ... | 10/10/1989 |
| 4726917 | Water current and air bubble generating apparatus for bath A pump 120 contained in a first case 9 sucks hot water 13 in a bathtub 1 through an inlet 12 and pushes the hot water 13 upward through an outlet pipe 14 above the water surface 16. The outlet pipe 14 is coupled to jet nozzles 15, so that the hot water is... | 02/23/1988 |
| 4665572 | Swimming pool therapy apparatus A therapy apparatus to be mounted in a pool of water for generating a laminar flow of water at a rate sufficient for exercising and therapy purposes. A housing is secured externally to a swimming pool, the water inlet and outlet being disposed within the ... | 05/19/1987 |
| 4607400 | Assembly for utilizing bilge pump as power water jet A submersible bilge pump is used within a tub to provide a Jacuzzi-type jet spray. A mounting assembly enables the bilge pump to be located below the water in the tub, yet the mounting assembly allows for effective mounting to the tub to provide the water... | 08/26/1986 |
| 4430762 | Aquassage An aquassage apparatus for agitating water in a bath tub has a flexible, soft tubing which is pliable enough to be bent into different configurations. Suction cups are glued to the bottom of the tubing for secure attachment to the bottom of the bath tub. ... | 02/14/1984 |
| 4291646 | Whirlpool therapy facility and method of treatment A whirlpool therapy facility especially useful for treatment of racehorses is disclosed. The facility includes a heated pool of water contained within an elongated channel shaped tub having upstanding substantially parallel sidewalls and a pair of opposed... | 09/29/1981 |
| 4282866 | Battery operated portable hydromassage appliance A battery operated portable hydromassage appliance including control circuitry which senses the voltage level of the battery. When the battery voltage is below a predetermined level, the control circuitry automatically shuts the unit off so that the batte... | 08/11/1981 |
| 4275713 | Hydromassage air injector apparatus Hydromassage air injector apparatus includes a head assembly movable from one location to another location and which includes an air tube disposed within a water supply tube.... | 06/30/1981 |
| 4225984 | Portable therapeutic water massage mechanism A portable therapeutic water massage mechanism according to this invention is adapted for utilization in conjunction with conventional bathtubs, such as are typically found in homes and hotels. A pump of the mechanism is adapted to be located outside of t... | 10/07/1980 |
| 4127117 | Portable hydrotherapy bath assembly The improved portable hydrotherapy bath assembly disclosed is designed for mounting on the side wall of a conventional bathtub and includes a motor housing, an overhead support housing and a pump housing. The motor, pump and overhead support housings are ... | 11/28/1978 |
| 4100917 | Hydrotherapy unit A whirlpool type hydrotherapy unit includes a centrifugal pump which circulates water in a tub. The pump has a pair of outlets, one of which is a primary outlet immersed in the water to provide a whirlpool effect. A vibrating spray head accessory may be a... | 07/18/1978 |
| 3961382 | Hydrotherapy bath assembly A portable whirlpool or hydrotherapy bath assembly of the type which mounts on the upper edge of the wall of a bath tub. The assembly includes a motor housing, a spaced generally upright pump housing, and an overhead support which is secured to the upper ... | 06/08/1976 |
