"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 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 |
| 6899285 | Partially rotating above surface nozzle A protruding nozzle assembly, mounted in a side wall of a swimming pool in communication with a source of water, will eject through a nozzle of a nozzle housing a stream of water at a predetermined angle relative to the adjacent side wall surface. During each erecti... | 05/31/2005 |
| 6883727 | Rotating stream sprinkler with ball drive A rotating stream sprinkler of the type having a rotatable vaned deflector for stepwise sweeping of relatively small water streams over surrounding terrain to irrigate adjacent vegetation. The sprinkler includes a turbine driven ball drive rotor having at least one ... | 04/26/2005 |
| 6869026 | 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 ... | 03/22/2005 |
| 6848124 | Cam operated pop-up swimming pool cleaning nozzle A recessed incrementally rotating nozzle assembly is located in a wall or bottom surface of a swimming pool in fluid communication through a conduit with a source of water under pressure from a valve, which valve periodically releases water into the conduit. Each ti... | 02/01/2005 |
| 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 |
| 6360966 | Rotary sprinkling head structure of sprinkling gun A rotary sprinkling head structure of a sprinkling gun including a gun body, an anti-detachment ring, an inner cap, and a rotary cap. The front end of the sprinkling head of the gun body is disposed with a variable water discharging head and an outer stop... | 03/26/2002 |
| 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 |
| 5673855 | Rotary sprinkler with reversing mechanism and adapter seal A rotary sprinkler including a sprinkler head, a drive motor and a drive train drivingly coupled to the motor and to the sprinkler head so that the motor can impart rotational movement to the sprinkler head. The drive train includes a shifter drivable bet... | 10/07/1997 |
| 5597119 | Rotating spinkler having magnetic coupling elements for transmitting motion A sprinkler including a liquid inlet, a liquid outlet rotatable with respect to the liquid inlet and apparatus, driven by a pressurized flow of liquid entering the liquid inlet, for rotating the liquid outlet, the apparatus including magnetic coupling app... | 01/28/1997 |
| 5544814 | Rotary sprinklers A rotatable outlet nozzle for use in a rotary sprinkler adapted to be rotatably mounted and driven in a sprinkler housing and comprising a through-flow tube portion, a curved deflector wall portion merging with an outlet end of the tube and defining a mai... | 08/13/1996 |
| 5470082 | Game apparatus A game apparatus combines a rotatably mounted nozzle with propulsion and indexing mechanisms to provide a game in which players assume positions radially spaced about the nozzle's axis of rotation and actuate the propulsion mechanism as necessary to diver... | 11/28/1995 |
| 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 |
| 5213261 | Rotary sprinkler A rotary sprinkler includes a sprinkler head rotatably mounted about a rotary axis, and also mounted for reciprocation along its rotary axis; and a stepping mechanism for stepping the sprinkler head an increment of rotation during each reciprocation of th... | 05/25/1993 |
| 5172864 | Rotary sprinkler A rotary sprinkler of the kind wherein an outlet nozzle having an integrally formed impeller element is adapted to be driven by a drive ball located within a drive ball enclosure wherein a first major axial portion of the side wall extends from the base w... | 12/22/1992 |
| 5048757 | Irrigation sprinkler with an internal drive clutch A drive clutch mechanism for a pop-up oscillating irrigation sprinkler which serves to protect the internal components of the sprinkler against forceable rotation of the pop-up assembly by vandals, or others, and which when operated does not disturb the p... | 09/17/1991 |
| 4971256 | Sprinkler device A rotary sprinkler device having a fluid inlet adapted to be secured to a water line, a nozzle head defining a plurality of differently configured or sized outlet orifices therein, a body member disposed between the fluid inlet and the nozzle head, a bear... | 11/20/1990 |
| 4919337 | Arc adjustment for irrigation sprinkler An irrigation sprinkler with an internal assembly which is caused to turn back and forth through a preset arc so that a nozzle at the upper end of the assembly may irrigate a sector of land of a particular size, and in which the internal assembly arc of t... | 04/24/1990 |
| 4848662 | Water sprinkler A water sprinkler which includes a hollow sprinkler body, a rotor chamber within the body, a freely rotatable stem extending through the body and being in fluid flow communication with the rotor chamber, a sprinkler head on the open end of the stem for ro... | 07/18/1989 |
| 4787558 | Rotary drive sprinkler An improved rotary drive sprinkler is provided for rotatably driving a pop-up spray head in a stepwise manner through a full-circle or reversibly within a selected part-circle path. The sprinkler includes a reversing trip mechanism having a pair of spaced... | 11/29/1988 |
| 4784325 | Rotating stream sprinkler A rotating stream sprinkler is provided with an improved spray head for sweeping one or more outwardly projected water streams through a prescribed arcuate spray path, wherein the spray head is adapted for enhanced self-flushing operation to prevent accum... | 11/15/1988 |
| 4781328 | Rotating stream nozzle A rotating stream nozzle is provided particularly for use as an irrigation sprinkler, wherein the nozzle provides a plurality of outwardly directed and discrete water streams which are rotated in steps through a prescribed arcuate spray path. The rotating... | 11/01/1988 |
| 4650118 | Pop-up gear driven sprinkler head A gear driven sprinkler head with a pop-up spray nozzle driven by a water-flow powered motor. The nozzle is rotated incrementally through an adjustable arc to irrigate a sector of a particular size, and it is automatically reversed at the end points of th... | 03/17/1987 |
| 4625914 | Rotary drive sprinkler An improved rotary drive sprinkler is provided for rotatably driving a pop-up spray head in a stepwise manner through a full-circle or reversibly within a selected part-circle path. The sprinkler includes a reversing trip mechanism having a pair of spaced... | 12/02/1986 |
| 4417691 | Turbine drive water sprinkler A water sprinkler includes a turbine drive assembly responsive to water under pressure supplied to the sprinkler for moving a spray head through a prescribed rotational path. The turbine drive assembly drives an incremental motion mechanism coupled to the... | 11/29/1983 |
| 4265403 | Controlled irrigation system for a predetermined area A lawn sprinkler system has a plurality of sprinkler heads connected to a common water supply line. The sprinkling or irrigation, the rate of rotation and the contour of the area sprinkled all are controlled at each sprinkler head. A timer valve associate... | 05/05/1981 |
| 3930618 | Balanced sprinkler impact drive A sprinkler having a radially dynamically balanced intermittent drive system to provide a rotating sprinkler head generally free of all objectionable vibrations. The drive system in a preferred embodiment includes a plurality of driven surface means conne... | 01/06/1976 |