Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7392956 | Rotary sprinkler with arc adjustment guide and flow-through shaft A rotary sprinkler having an adjustable arc segment whose angular extent and absolute direction relative to the ground are represented by an arc indicator, which arc indicator may comprise a band whose visible length represents the angular extent and whose position ... | 07/01/2008 |
| 7303152 | Variable aerosol nozzle A specialized nozzle assembly that dispenses spray patterns of varying textures, e.g., coarse or fine particles; for use in an aerosol system for applying a spray texture material to a wall or like supporting structure. The nozzle assembly includes an elongated pass... | 12/04/2007 |
| 7234652 | Double curved surface deflector system for rotary sprinklers The present invention is a double curved surface deflector system for rotary sprinklers providing for a 360-degree rotation using both clockwise and counterclockwise movements. A spray coupler directs water in forward and rear directions. The forward direction is de... | 06/26/2007 |
| 7232081 | Spray nozzle with adjustable ARC spray elevation angle and flow An adjustable spray nozzle with adjustable arc of coverage as well as spray elevation angle and flow rate. A very simple adjustable arc of coverage spray nozzle configuration is also disclosed which may be easily assembled for a particular precipitation rate and/or ... | 06/19/2007 |
| 7143962 | Selected range arc settable spray nozzle with pre-set proportional connected upstream flow throttling A selected range arc settable spray nozzle with pre-set table precipitation rate in which the arc of coverage adjustment is coupled to an upstream flow throttling valve. As the arc of coverage is adjusted, the opening of the upstream flow throttling valve is proport... | 12/05/2006 |
| 7140552 | System for automatic self-proportioning of foam concentrate into fire fighting fluid variable flow conduit A fire fighting nozzle for extinguishing industrial scale fires including improved automatic pressure regulating features, enhanced educting features including central and peripheral channeling for foam concentrate, and combining with a capacity to throw dry chemica... | 11/28/2006 |
| 7137575 | Fire hose nozzle A nozzle for use with a fire hose is capable of varying a discharge pattern while maintaining the total water discharge amount at a fixed level. A first tube 4 is connected to a fire hose, a second tube 5 is screwed onto the first tube, and a throttle ... | 11/21/2006 |
| 7137574 | Apparatus and process for the lateral deflection and separation of flowing particles by a static array of optical tweezers A method and apparatus for laterally deflecting and/or separating a flow of particles using a static array of optical tweezers. In an array of optical tweezers with a lattice constant larger than the size of a particle of interest, particles driven past the array by... | 11/21/2006 |
| 7032844 | Flow volume adjustment device for irrigation sprinkler heads The adjustable arc spray nozzle allows adjustment of the spray arc, the radius, and flow of the water spray provided by the nozzle. The nozzle includes a top member, a base member, and a discharge orifice defined therebetween. A rotatable external upper collar contr... | 04/25/2006 |
| 7021563 | Spray nozzle with adjustable and removable diffuser A spray nozzle for discharging liquid in a spray pattern onto a ground surface includes a structure to obtain optimum diffusion of the liquid droplets in the spray pattern. The spray nozzle includes a diffuser plate having an upwardly extending diffuser blade thereo... | 04/04/2006 |
| 7000855 | Watering pattern adjustable mechanism for garden nozzles A garden nozzle includes a core piece received in the barrel of the nozzle and the core piece includes an outlet allowing water to come out therefrom. The core piece is in communication with the path defined in the handle and water is provided via the path. A movabl... | 02/21/2006 |
| 6948628 | Clothes hanger retaining device A clothes hanger retaining device is described. The retaining device is comprised of an inverted trough shaped cover that is positioned over a clothes pole and clothes hangers and secured to the clothes pole by a strap moved about the clothes pole and then secured b... | 09/27/2005 |
| 6892969 | Pulp washing shower A shower pipe assembly for use in a pulp processing mill is provided to wash a pulp mat with a liquid wash. The assembly includes a pipe for conveying the liquid wash through a plurality of apertures defined through the pipe wall, the apertures spaced along a substa... | 05/17/2005 |
| 6877673 | Floating fountain devices and systems A floating fountain that includes of a tubular, hollow base assembly that can be connected to a pressurized source of fluid, a primary nozzle member located centrally to the base assembly, and a plurality of secondary nozzle members located on the base assembly. Eac... | 04/12/2005 |
| 6820825 | Lawn sprinkler nozzle provided with means to adjust spray angle thereof A lawn sprinkler comprises a connection pipe, and a spray angle adjustment structure mounted at one end of the connection pipe and formed of a circular distribution member, an adjustment member and a control member. The control member is actuated to turn by the adju... | 11/23/2004 |
| 6769633 | 360-degree sprinkler head A 360-degree sprinkler head is comprised of a main member, an adjustment ring, a cap and a lock bolt. The main member is a hollow cylinder consisting of an annular member positioned at the center with a plurality of coupling tabs integrated to the hollow cylinder an... | 08/03/2004 |
| 6705540 | Fluid spray apparatus A nozzle unit of a liquid spray apparatus is constituted by a conduit tube having an outer portion spreading and curvature shape upper inner wall, a disc shape flat plate cover arranged on an upper portion of the conduit, and a coupling. Between the flat plate cover... | 03/16/2004 |
| 6702205 | Apparatus for redirecting flow of water exiting a fire hydrant support Apparatus for redirecting flow of water exiting a fire hydrant support includes a flange connector for releasably connecting the flange connector to a flange of the fire hydrant support, a handle connected to the flange connector for positioning the flang... | 03/09/2004 |
| 6631859 | Energy efficient showerhead A showerhead with an internal valve to control the flow of fluid between a full flow and reduced flow condition so as to save energy and thereby conserve the supply of water. The showerhead includes an internal valve that operates easily between an off po... | 10/14/2003 |
| 6443372 | Adjustable sprinkler nozzle An adjustable sprinkler nozzle includes a cap with a first spiraling face, the bottom edge of which is provided with a stepped flange. A body that forms a nozzle orifice with the cap is composed of upper and lower bodies coupled together using high freque... | 09/03/2002 |
| 6336599 | Sprinkler spray shield A spray shield apparatus for shielding against spray from a sprinkler. The spray shield apparatus has an elongated support rod capable of being anchored relative to the sprinkler. A pair of baffles are mounted to an upper shank of the support rod with lea... | 01/08/2002 |
| 6148743 | Air nozzle for a furnace An air nozzle for introducing secondary air into a furnace and including a housing provided with an inlet at one end thereof for receiving air and an outlet at the other end thereof for discharging the air. A damper is disposed in the housing in the path ... | 11/21/2000 |
| 6016976 | Venting nozzle A venting nozzle has a housing having an air inlet through which an air flow enters the housing. The housing has an outlet through which the air flow exits. The outlet has deflection elements for deflecting the air flow. Parallel flaps are pivotably conne... | 01/25/2000 |
| 5556036 | Adjustable arc spinkler nozzle An adjustable arc sprinkler nozzle comprises a first body member having a through passage including an inlet end for attachment to a source of pressurized water and an outlet end having a first spiral edge having axially offset ends, a second body member ... | 09/17/1996 |
| 5392990 | Firefighting double-nozzle deluge gun and control method thereof A double-nozzle deluge gun has a pair of nozzles arranged side by side rotatably on a rotatable table and an inter-nozzle control unit for adjusting the inter-nozzle angle measured between two lines obtained by projecting the radiation center lines of the... | 02/28/1995 |
| 5335859 | Low-volume irrigation emitter with changeable patterns An improved irrigation system for low-volume flow to individual plants or trees is presented. The system involves a detachable irrigation emitter with a flow deflector. In addition, an easily interchangeable dual flow pattern adapter is presented that can... | 08/09/1994 |
| 5333788 | Ball-type water sprinkler A ball-type water sprinkler includes a ball freely movable within a chamber formed in a rotor and having two water inlets oriented to direct the water to flow circumferentially of the chamber in opposite directions, an impact element fixed to the rotor so... | 08/02/1994 |
| 5234169 | Removable sprinkler nozzle An improved sprinkler comprises a nozzle body having a nozzle received in a recessed seat provided in a peripheral wall of the nozzle body. The nozzle body has a rotatable upper cover. A cam surface is formed on the cover and extends down into engagement ... | 08/10/1993 |
| 5035359 | Device for changing a direction of an airstream A device for changing a direction of an airstream, which comprises a plurality of spaced airstream direction control plates arranged in parallel in a plane perpendicular to the direction of flow of the airstream. The airstream direction control plates are... | 07/30/1991 |
| 4991780 | Duocone spray nozzle A duocone spray nozzle having two concentric peripheral orifices which will produce two hollow spray cones, one inside the other. Each orifice size is varied by employing its own spring and each spring acts independently and is compressed under its own pr... | 02/12/1991 |
| 4984740 | Water sprinkler with variable stream-distance adjustment An improved water-sprinkler having a vertically-pivotal control flap that is adjustably positionable with respect to the outlet of the nozzle, which controls the distances the emerging water-stream will reach. The control flap has an inner bracket-end tha... | 01/15/1991 |
| 4978070 | Pulsating sprinkler A pulsating sprinkler incorporating a three-position trip mechanism facilitating forward/reverse rotation and continuous rotation. The trip mechanism includes a trigger for reversing direction of rotation of the sprinkler, a latch for engaging an impact a... | 12/18/1990 |
| 4858829 | Universal advancement deflector for impact irrigators A universal advancement deflector for impact irrigators, comprising a cylindrical surface portion (15) pivoted about an axis (11) spaced from its barycenter, and urged towards the irrigation jet so that it becomes inserted therein with one of its edges an... | 08/22/1989 |
| 4840312 | Sprinkler nozzle module A sprinkler (10) including a riser assembly (14) and a removable nozzle module (34) operatively connected thereto. Nozzle module (34) includes a nozzle holder (36) and a nozzle (38). Nozzle holder (36) is accessible even when sprinkler (10) is buried and ... | 06/20/1989 |
| 4813605 | Fluid flow system A system which has a body (20) with internal pasageways and a hollow connecting sleeve (24) attached thereto. A hollow union (32) is rotatably retained on the sleeve (24) and a gasket (30) provides a seal therebetween. A pair of adjustable arm stops (34) ... | 03/21/1989 |
| 4784329 | Gear driven portable lawn sprinkler A portable lawn sprinkler comprising a housing assembly having means defining a fixed horizontally extending water inlet having a female hose fitting on the exterior end thereof and a spaced fixed annular wall providing an interior periphery defining an a... | 11/15/1988 |
| 4760958 | Water sprinkler A sprinkler comprises a nozzle head connectable to a source of pressurized water and including a nozzle bore through which the water issues in the form of a jet, and a rotary deflector having an underface formed with a radial array of grooves each having ... | 08/02/1988 |
| 4699322 | Air discharge nozzle for air delivery systems An air discharge nozzle for ventilating and air conditioning systems and the like is disclosed having directional strips that are disposed pivotably in the discharge jet and are adjustable for directional control of outflow. The arrangement is such that t... | 10/13/1987 |
| 4570533 | Fluid deflecting assembly A fluid deflecting assembly comprising a passage defining structure having a fluid passage defined therein for the passage of a fluid stream in one direction therethrough and having a fluid inlet and a fluid exit spaced apart from the fluid inlet, and at ... | 02/18/1986 |
| 4566632 | Step-by-step rotary sprinkler head with improved stream diffusing assembly A step-by-step rotary sprinkler head comprising a sprinkler body having an inlet and at least one outlet communicating with the inlet, a mounting assembly supporting the sprinkler body for rotational movement about a generally vertical axis operable to co... | 01/28/1986 |
