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 |
| 7828230 | Axially displacing slip-clutch for rotor-type sprinkler A sprinkler includes a riser, an impeller mounted in the riser, and a nozzle rotatably mounted at an upper end of the riser. A drive assembly including a reduction gear train couples the impeller and the nozzle. A clutch in the drive assembly includes a clutch membe... | 11/09/2010 |
| 7568635 | Turbo spray nozzle and spray coating device incorporating same A system and method is provided for atomizing a liquid without the use of air to atomize the liquid. The system comprises a turbo spray nozzle that has a rotatable shaft. The rotatable shaft has a center bore with an opening at one end to enable a liquid to flow int... | 08/04/2009 |
| 7338557 | Nozzle for use in coating a stent A nozzle for use in a coating apparatus for the application of a coating substance to a stent is provided. ... | 03/04/2008 |
| 7316363 | System and method for delivering cryogenic fluid According to an embodiment of the present invention, a rotating nozzle assembly includes a rotatable shaft having a bore to transport a cryogenic fluid therethrough. The rotatable shaft has an upstream portion associated with a feed chamber and a downstream portion.... | 01/08/2008 |
| 7261247 | Slip gear for geared sprinkler motor A slip-clutch assembly including a slip gear and clutch for a sprinkler motor of a sprinkler is disclosed for reducing damage to movable portions of the sprinkler is disclosed. The slip-clutch assembly allows at least a portion of a motor assembly or a sprinkler hea... | 08/28/2007 |
| 7252246 | Oscillating sprinkler with pattern select feature An oscillating sprinkler having a pattern select feature. The sprinkler includes, in one embodiment, a tubular member having a plurality of spaced apart longitudinal slots thereon and an end portion having the same plurality of apertures therein. A plurality of lume... | 08/07/2007 |
| 7246756 | Transverse axes oscillating water sprinkler with cam driven, oscillating nozzles A water sprinkler for irrigating lawn and garden areas has two axes of movement, one transverse to the other. A barrel moves or oscillates on one horizontal axis to direct water spray from nozzles carried on the barrel across the length of the area, and the nozzle o... | 07/24/2007 |
| 7226000 | Sprinkler having oscillating mechanism A sprinkler includes a housing disposed on a base, and a sprinkler tube coupled to a oscillating mechanism, for allowing the sprinkler tube to be rotated relative to the housing and the base by the oscillating mechanism, the oscillating mechanism includes a receptac... | 06/05/2007 |
| 7185833 | Method for fluid jet formation and apparatus for the same A nozzle having a housing and an assembly including at least two conjugated parts separated by a spacer seal. The assembly is arranged in the housing so as to form a nozzle outlet. At least one of he housing, the parts, and the spacer seal are deformable so as to de... | 03/06/2007 |
| 7134613 | Device for limiting turbine rotation speed in gear driven sprinklers A turbine assembly for a rotary sprinkler head includes a flow control valve, a turbine housing having a fluid inlet and fluid outlet ports, and a rotor mounted in the housing. The flow control valve is moveable between a closed position and a maximum open position,... | 11/14/2006 |
| 7056390 | Vehicle wash apparatus with an adjustable boom An automatic vehicle washing system is described. The vehicle washing system incorporates an elongated overhead cleaning platform for cleaning the front, top and rear surfaces of a vehicle. The overhead cleaning platform is attached to a single lift mechanism at a f... | 06/06/2006 |
| 7032837 | Toy water gun with variable spray patterns A toy water gun of the type for ejecting fluid therefrom. The toy water gun may include a housing having a longitudinal axis and a reservoir attached to the housing for holding fluid. A holding area may be included which is selectively in fluid communication with th... | 04/25/2006 |
| 6955306 | Pivotally adjustable nozzle assembly A fluid-dispensing nozzle assembly automatically pivotally adjusts within a defined range of motion, to consistently project a fluid toward a windshield for contact at a designated area thereof, regardless of the velocity of ambient air therepast. The nozzle assembl... | 10/18/2005 |
| 6929194 | Turbine speed control for rotary irrigation sprinklers In a turbine driven rotary irrigation sprinkler having a fixed stator with means for bypassing a portion of the water entering the sprinkler around the turbine so as to be able to adjust and control the rate of sprinkler rotation, the improvement of a rotatable stat... | 08/16/2005 |
| 6908047 | Oscillating shower sprayer An improved shower sprayer is provided which includes an oscillating head to provide improved water coverage for a shower user. The valve may include a base, at least one oscillating sprayer head supported by the base and a turbine system driven by a current of wate... | 06/21/2005 |
| 6871795 | Irrigation sprinkler with easy removal nozzle An irrigation sprinkler includes a head having a first water outlet passage that communicates with a nozzle receiving socket. A nozzle is slidably mounted in the nozzle receiving socket. The nozzle includes a hollow support body defining a second water outlet passag... | 03/29/2005 |
| 6840460 | Rotor type sprinkler with insertable drive subassembly including horizontal turbine and reversing mechanism A sprinkler includes an outer housing having a lower end connectable to a source of pressurized water and a riser that is vertically reciprocable within the outer housing between extended and retracted positions when the source of pressurized water is turned ON and ... | 01/11/2005 |
| 6736333 | Rotor nozzle, in particular, for a high-pressure cleaning device The invention provides a rotor nozzle, comprising a casing and a rotor body arranged therein. The rotor body has a flow-through channel and a spherical bearing part in a step bearing surrounding an exit opening of the casing. An end part closes the casing and has se... | 05/18/2004 |
| 6729559 | Rotary aerosol product A rotatable aerosol product 10 comprising an aerosol product 11 and a rotatable stand 12 attached to the bottom part of the aerosol product, wherein spray continues during rotation and the rotation frequency is 35 frequencies/minute or lower. A ... | 05/04/2004 |
| 6698669 | Pivot flow joint for high-pressure flow devices A pivot flow joint for high-pressure fluid-flow devices of the type including a rotating flow member connected to a non-rotating flow member. The pivot flow joint includes first and second axially-aligned seal bushings secured to the non-rotating and rota... | 03/02/2004 |
| 6676037 | Rotary shower nozzle A rotary spray nozzle is provided in a housing which has one or more water inlets that direct the incoming water flow in a direction tangential to the inner walls of the housing. This creates a circular or swirling motion of water within the housing which... | 01/13/2004 |
| 6622940 | Sprinkler capable of distributing water in an even pattern A water sprinkler includes a main body, a primary nozzle, and an auxiliary nozzle. The main body is provided with a water admitting pipe in communication with the primary nozzle by which a portion of the incoming water is distributed to the areas farther ... | 09/23/2003 |
| 6607147 | High volume sprinkler automated arc changer An actuator assembly for a rotatable sprinkler head includes a base supported for rotation on a stationary platform assembly, a hub mounted for rotation on a shaft supported in the base; a lever arm pivotally mounted at one end to the hub and extending do... | 08/19/2003 |
| 6601779 | Sprinkler bearing assembly A rotating bearing assembly for a sprinkler coupled to a pipe segment is disclosed. The bearing assembly has a stem which permits fluid flow. The stem has a bottom open end with a collar and a top open end which is connected to a cap. The cap allows conne... | 08/05/2003 |
| 6601781 | Rotary driven sprinkler with multiple nozzle ring A rotary drive sprinkler having a multiplicity of nozzles which can be changed at any time. The nozzle assembly can have a cylindrical housing having a plurality of nozzles to rotate against a cylindrical housing having at least one stream outlet opening.... | 08/05/2003 |
| 6422480 | Spinning spray head and method A nozzle and method for mixing abrasive particles with a stream of water and focusing the mixture of abrasive and water exiting the nozzle to improve the ability of the stream to remove paint and other coatings, rust, and scale and the like from a surface... | 07/23/2002 |
| 6347751 | Swivel lawn sprinkler A swivel lawn sprinkler includes a mounting rack for mounting, a water tube vertically connected to the mounting rack by a hose connector and adapted to receive water from a water source through the hose connector, a pipe connector fastened to the top end... | 02/19/2002 |
| 6325303 | Structure of swivel lawn sprinkler A swivel lawn sprinkler includes a mounting rack for mounting, a water tube vertically connected to the mounting rack by a hose connector and adapted to receive water from a water source through the hose connector, a pipe connector fastened to the top end... | 12/04/2001 |
| 6250566 | Rotor nozzle The device relates to a rotor nozzle, in particular for high-pressure cleaning apparatus, comprising a nozzle housing which has an inlet opening at its one axial end and an outlet opening for liquid at the other end, also with a rotationally driven rotor ... | 06/26/2001 |
| 6082634 | Wash spray apparatus for vehicles A wash spray apparatus that is particularly suitable for use in automatic car washes comprises an array of nozzles on a nozzle head. Water is supplied to the nozzle head through one or more flexible hoses, and the nozzle head is driven so that the spray f... | 07/04/2000 |
| 5984203 | Rotary water sprinkler A rotary sprinkler including a water discharge assembly having a water discharge outlet for discharging water laterally of the sprinkler, and a connecting passageway fluidly coupling the inlet to the water discharge outlet. The water discharge assembly is... | 11/16/1999 |
| 5899560 | Liquid slurry agitation apparatus A slurry agitation apparatus for selectively agitating slurry temporarily stored in the interior of a storage tank, which slurry contains heavier-than-liquid solids and is at least somewhat pumpable, comprises a slurry circuit having connected together in... | 05/04/1999 |
| 5640982 | Tank cleaning system using collapsible robotic tank entry vehicle A system for cleaning storage tanks is disclosed having a remotely controlled collapsibile tracked robotic tank entry vehicle, a closed circuit television system for observation including controllable light sources and an articulatible nozzle, also remote... | 06/24/1997 |
| 5626674 | High pressure water jet apparatus for preparing low density metallic surface for application of a coating material The method of treating the surfaces of malleable light metal cylinder bores or other objects by blasting the surfaces with extremely high water jets for preparing such surfaces for subsequent coating with wear-resistant materials such as a thermal spray c... | 05/06/1997 |
| 5511727 | Wave sprinkler with improved adjustable spray assembly A wave sprinkler assembly in which the tubular spray assembly comprises a tubular member and one or more elongated strips of flexible material having a series of longitudinally spaced water stream outlets extending therethrough, the strips are assembled w... | 04/30/1996 |
| 5494227 | High pressure screen shower A shower system comprising a header having a fluid inlet port, a plurality of substantially vertically aligned spray nozzles attached consecutively to said header and arranged in a substantially arcuate formation, and a drive system for laterally reciproc... | 02/27/1996 |
| 5452853 | Method and apparatus for spraying grout onto the interior surface of an enclosed elongated cavity A sprayer for applying an uncured grout to the interior surface of an enclosed wall includes a sprayer motor having a rotor rotatably mounted within the motor housing. A spray head is attached to the rotor and a spray conduit is adapted to introduce fluid... | 09/26/1995 |
| 5445173 | System for stirring and thereby reducing build up of bottom sediments in a storage tank A system is provided for stirring and thereby reducing build up of bottom sediments in a storage tank, the system including a vertical outer casing having an intermediate opening communicating with a horizontal tubular member so that the vertical outer ca... | 08/29/1995 |
| 5441566 | Equipment for applying crusting agents to coal loads Methods and mechanisms for encrusting a load of coal to minimize loss of coal dust during transport of a coal load are provided. The mechanisms involve a device, apparatus, and injection unit for applying a rotating stream of aqueous binder composition wi... | 08/15/1995 |
| 5433381 | Direct drive swivel A direct drive motor and swivel assembly is provided. The assembly comprises a motor with a modified motor shaft extending through the motor. The motor shaft has a longitudinal passageway extending therethrough and a first end which is disposed outside of... | 07/18/1995 |
