...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7766262 | Irrigation systems including flush valves, and methods for flushing debris from irrigation systems Valves for use in irrigation systems include a moveable sealing member disposed within a valve body. The moveable sealing member is configured to close automatically the valve when the magnitude of a pressure differential between the inlet and the outlet of the valv... | 08/03/2010 |
| 7740195 | Sprinkler assembly A wheeled lawn sprinkler assembly for easily moving a lawn sprinkler around a large or small size yard which assembly contains a shut off valve, a collapsible wheel assembly and a collapsible support assembly. ... | 06/22/2010 |
| 7419107 | Swivel inlet hose-drag linear irrigation machine A swivel inlet hose-drag irrigation machine is disclosed which utilizes an inlet elbow mounted in a swivel bearing on the cart to attach a water supply hose to the machine. The inlet elbow is mounted to the side of the four-wheel linear cart rather than behind the c... | 09/02/2008 |
| 7314186 | Wheel mounted spraying assembly and method A method of applying a chemical material, such as a pesticide, to a surface utilizes a wheel mounted spraying assembly. The wheel mounted spraying assembly includes: a rod having a wheel rotatably mounted on its lower end portion for supporting the spraying assembly... | 01/01/2008 |
| 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 |
| 6889922 | Agricultural irrigation line having DC motor drive system A forward roll agricultural irrigation line includes an irrigation unit having a plenum pipe, a plurality of water delivery orifices in the plenum pipe, a water supply line in communication with the plenum pipe, and at least one drive wheel supporting the plenum pip... | 05/10/2005 |
| 6237863 | Disengageable worm wheel gearbox A sealed worm wheel gearbox is provided having a worm disposed on a driveshaft. The worm engages a bull gear within the gearbox. Eccentric rotatable driveshaft mounts are mounted on opposite sides of the gearbox to support the driveshaft. The driveshaft a... | 05/29/2001 |
| 6068197 | Pivoting lateral move irrigation system which waters in the pivot mode A pivoting lateral move irrigation system which operates to water in the pivot mode. The irrigation system includes a conduit extending over the field to be irrigated, and a series of support towers which are spaced along the length of the conduit and sup... | 05/30/2000 |
| 5927619 | Lock assembly for wheel supported irrigation system A wheel supported irrigation system is provided with a locking assembly to immobilize the system against travel resulting from high winds or other causes. A system water pipe carries positionable leg members which, when deployed, are in ground contact. Wh... | 07/27/1999 |
| 5873522 | Water irrigation support A support apparatus for use on an above ground field irrigation system which supports an irrigation system pipe terminal end extension. The apparatus comprises a support post or stand which has a securing clamp ring at its upper end which is free to rotat... | 02/23/1999 |
| 4821965 | Self-leveling dropped wheel-line irrigation apparatus Wheel line irrigation apparatus provided with a plurality of rotary, impact-type, high volume sprinklers, mounted on trunk lines each of which are self leveling. The pipeline is axially affixed to laterally spaced wheels; the pipeline including a main lin... | 04/18/1989 |
| 4703895 | Ground-engaging travelling structure A ground-engaging travelling structure supporting a member which is pivotally mounted on the structure for swinging movement about a fore-and-aft axis of the structure and including a device to maintain the member in a substantially constant position with... | 11/03/1987 |
| 4700897 | Long reach dropped wheel-line irrigation system A wheel line irrigation system provided with a plurality of rotary, impact-type, high volume sprinklers, each of the sprinklers provided with a nozzle having a large discharge port of 0.5 inches in diameter or greater. The pipeline is axially affixed to l... | 10/20/1987 |
| 4632494 | Linear moving irrigating apparatus A self-propelled, linear-forwardly, relatively slow-moving irrigating apparatus has a main frame and master drive unit carrying a rotating, water-supplying, pipe-like, axle shaft that provides a side-extending wheel-line along which are spaced what may be... | 12/30/1986 |
| 4609154 | Water irrigation apparatus and pipe construction particularly useful therein Water irrigation apparatus comprises a water supply pipe and means for moving it over the ground to be irrigated, the water supply pipe including a plurality of coaxial tubes, and a plurality of longitudinally-extending, circumferentially-spaced radial ri... | 09/02/1986 |
| 4452398 | Portable irrigation brake This invention relates to braking mechanism for mobile irrigation systems in general, and more specifically to vertically adjustable, elongated, wheeled, brake member that is clamped around and carried by the irrigation pipe itself.... | 06/05/1984 |
| 4382556 | Side wheel roll leveling device A fluid pressure activated mechanism in a rollable side wheel irrigating device allows gravity to maintain the sprinkler head portion of the device perpendicular or level to the ground as the device is rolled in position, and prevents nozzle pressure from... | 05/10/1983 |
| 4365749 | Center-pivot irrigator Discloses a center pivot-type sprinkler irrigation system including an elongate rotatable irrigation pipe adapted to be horizontally pivoted at one end with a pipe swivel means connecting a conduit with the irrigation pipe and permitting both vertical piv... | 12/28/1982 |
| 4352464 | Irrigation line wind brace An irrigation system includes an irrigation line and a wind brace assembly which can be automatically disengaged from the irrigation line preparatory to moving the irrigation line across a field to a new position. The assembly is automatically engaged wit... | 10/05/1982 |
| 4290559 | End control, electrical, power drive unit for agricultural sprinkler irrigation systems An electrical, end control, power drive mover unit for agricultural sprinkler irrigation systems comprises oppositely mounted, dual electric motors adapted to revolve about a stationary bull gear by reason of drive pinions respectively driven by the motor... | 09/22/1981 |
| 4277028 | Irrigation system and drive unit therefor An irrigation system for irrigating an area of a field and which includes a liquid conduit extending over a portion of said area to be irrigated. The conduit is supported by wheels which rotate with rotation of the conduit. The system includes a drive uni... | 07/07/1981 |
| 4204643 | Sprinkler leveler and wind compensating device A main irrigation pipe with wheels fixed thereto has mounted along its length a plurality of movable sprinkler heads. Each sprinkler head has connected thereto a flat, bladelike member, the weight of which aids in urging that sprinkler head toward an erec... | 05/27/1980 |
| 4191206 | Automatic wind brace for side roll irrigation system An elongated brace member is attached adjacent its inner end pivotally to a base member clamped to the outer circumference of a wheel, a plurality of which support through their hubs an elongated assembly of interconnected irrigation pipes. The inner end ... | 03/04/1980 |
| 4164323 | Bracing attachment for wheeled sprinkler system Pivoted 180° apart on the periphery of a sprinkler wheel, a pair of arms can be swung from folded position within the compass of the wheel to unfolded or operative position whenever it is necessary to immobilize the wheel. The distal end of the arms carr... | 08/14/1979 |
| 4153070 | Pipeline drive system An elongate irrigation pipe is rotatably supported on a wheeled support member. A first gear is secured against rotation on the support member with the pipe extending rotatably therethrough. A rotator arm is secured to and extends radially outwardly from ... | 05/08/1979 |
| 4135738 | Trail line moves Trail line irrigation moves have split swivel couplers of which each has two identical halves rotatable on split bearing rings on an axle having seals thereon and coupled to pipe lengths by press-on or clamp-on connector portion. The axle has holes connec... | 01/23/1979 |
| 4134422 | Irrigation line mover The specification discloses an improved irrigation line move in which a line mover carries an engine rotating an irrigation pipe supported by wheels keyed to the pipe. The engine also drives wheels of a cart-like carriage of the line mover through reversi... | 01/16/1979 |
| 4095613 | Pneumatic side roll mover A pneumatic side roll wheel line irrigation system comprising an elongated irrigation pipe supported along the length by a plurality of spaced apart wheels mounted thereon with the pipe serving as an axle for the wheels. A pneumatic side roll mover appara... | 06/20/1978 |
| 4076039 | Signal transmission and control system The present invention relates to a signal transmission and control system wherein a signal is transmitted from one member of co-acting members to another member; the signal being transmitted without mechanical contact -- and being transmitted regardless o... | 02/28/1978 |
| 4072205 | Irrigation system A vertical shaft engine is mounted by a bracket on the side of a cart beam serving as a hydraulic reservoir. The engine drives a pump which is selectively connected by a manual valve to drive positive displacement hydraulic motors in series to rotate a bu... | 02/07/1978 |
| 4043505 | Method and apparatus for reversibly powering a mobile irrigation system A mobile irrigating system comprising a plurality of wheel mounted irrigating pipes coupled together in a line to a central, motorized power unit having a reversible, internal combustion engine which is remotely controllable from the end of the line of ir... | 08/23/1977 |
| 4016902 | End-control agricultural sprinkler irrigation system An agricultural sprinkler, irrigation system, having wheel-mounted, sprinkler-carrying, pipe sections coupled together end-to-end with a centrally located mover unit to form a sidewise movable, elongate, water supply pipeline rotatable about its longitudi... | 04/12/1977 |
| 4006860 | Method and apparatus for transporting an irrigation line Disclosed herein is a mobile transport assembly which may be moved to adjacent an irrigation line, and which includes means for selectively applying rotational torque to such irrigation line at an area between the ends of such irrigation line, to in turn ... | 02/08/1977 |
| 3980098 | Power assist structure for side roll wheel lines A torque-assist mechanism for side roll wheel-line, such mechanism being operative by and responsive to fluid pressure within the axial conduit of the line for rotating or torquing such line at a point removed from a prime mover where associated therewith... | 09/14/1976 |
| 3978882 | Mover unit for irrigation line A wheeled mover unit has mounted to the frame thereof a ring gear, and a rollingly movable irrigation line has fixed thereto oppositely extending arms, to which are mounted hydraulic motors for driving pinion gears in engagement with the ring gear. Condui... | 09/07/1976 |
| 3976093 | Pipe coupling apparatus Disclosed herein are coupling means for joining the ends of a pair of pipes, such coupling means including circular flanges associated with the pipes, and defining pluralities of teeth which engage when the flanges are brought together. One of the pipes i... | 08/24/1976 |
| 3967641 | Clutch assembly A wheeled power carriage supports an engine driving a pipeline rotatably supported by the carriage. The pipeline is also supported by wheels keyed thereto. The carriage is selectively driven by sprockets mounted rotatably on the pipeline and selectively c... | 07/06/1976 |