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| Number | Title | Issue Date |
| 7857239 | Self-propelled walking spray boom A self-propelled and self-contained shrouded walking boom unit including a small tank and pump mounted on the unit. The unit also has a small transmission and DC drive which makes the unit self-propelled. The configuration is such that the operator walks in front of... | 12/28/2010 |
| 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 |
| 7281903 | Device for varying the pressure of the fluid delivered by a jet washer Device for varying the delivery pressure of a jet washer comprising a positive-displacement pump operated by a single-phase electric motor powered by alternating current and having a delivery nozzle of predetermined cross-section, and electronic means for controllin... | 10/16/2007 |
| 7142966 | Apparatus and method for the variable rate application of substances to land A method of applying substances to a land begins with inputting data indicative of the substance requirement for the land into a processor. The land is traversed with a vehicle having an engine and a transmission that can vary the vehicle speed without adjusting the... | 11/28/2006 |
| 6907319 | System for the application of pesticides A system for the variable rate application of pesticides is provides, comprising a) a vehicle capable of traversing an agricultural production area; b) at least one sensor for attachment to said vehicle for direct sensing plant and/or condition data on said agricult... | 06/14/2005 |
| 6408967 | Bubble-producing ride-on vehicle A children's ride-on vehicle that resembles a riding lawnmower or tractor. The vehicle includes a drive assembly with a battery-powered motor, and a frame that is adapted to support a child. The ride-on further includes a bubble-producing mechanism adapte... | 06/25/2002 |
| 6345676 | Bubble-producing ride-on vehicle A children's ride-on vehicle that resembles a riding lawnmower or tractor. Th vehicle includes a drive assembly with a battery-powered motor, and a frame that is adapted to support a child. The ride-on further includes a bubble-producing mechanism adapted... | 02/12/2002 |
| 6079632 | Comprehensive product delivery system A comprehesive product dispensing system including a product/carrier dispensing system. The product carrier dispensing system comprising a carrier dispensing system and a product dispensing system. The product dispensing system including a product dispens... | 06/27/2000 |
| 6000630 | Emulsion dispersing device and method A vehicle-mounted emulsion dispersing device including a dispersing nozzle that is opened and closed by an opening/closing device, an emulsion tank that stores emulsion, and an emulsion pump for pumping emulsion from the tank to the nozzle and spraying th... | 12/14/1999 |
| 5735959 | Apparatus spreading fluid on floor while moving An apparatus of spreading a fluid on the floor includes four rectangular application rotating bodies partially overlapping each other, and four nozzles supplying the fluid provided in rotation areas of the respective application rotating bodies. The rotat... | 04/07/1998 |
| 5524558 | Straight row seed planter A straight row seed planter wherein a support frame mounts a hopper onto a support beam, with an axle rotatably mounted within the support frame parallel to the support beam, wherein the support beam includes at least one pair of feed cones extending ther... | 06/11/1996 |
| 5407134 | Liquid distribution system A liquid distributor having a pair of variable displacement pumps driven by a single electric motor, the rotation speed of which is determined by a voltage from a controller in response to a predetermined ground speed and application rate which mixes a ch... | 04/18/1995 |
| 5170820 | Management system for the application of anhydrous ammonia fertilizer A system for controlling the flow of agricultural ammonia from a tank to applicator apparatus transported by a land vehicle over the ground includes a ground speed sensor that generates a speed signal representing the speed of the land vehicle over the gr... | 12/15/1992 |
| 5035357 | Pressure control valve and system A pressure control system, including a pilot valve suitable for use therein, for providing a constant pressure from a non-compensated pump to a plurality of nozzle valves controlling flow from a manifold to nozzles associated with the valves, including a ... | 07/30/1991 |
| 5014914 | Dose control apparatus for agricultural tube sprayers for spreading pesticides on fields and plants The apparatus comprises at least one pesticide container (16), and a dosage pump (18) for the container or the containers, respectively, or for each container this pump or each of the existing pumps comprising a step motor controlled precision pump of the... | 05/14/1991 |
| 4878598 | Method and apparatus for dispensing a substance to a work area A method and apparatus for dispensing a substance to a work area in which the method includes the steps of determining the quantity of the substance to be dispensed substantially evenly to the work area, calculating the rate of dispensing the substance to... | 11/07/1989 |
| 4798325 | Method and apparatus for applying liquid and dry lawn treatment materials A self-contained, hand-operated, compact applicator for dispensing liquid and/or dry lawn care products is disclosed in which dry treatment materials are broadcast from a hopper in response to manual propulsion of the applicator over the terrain and liqui... | 01/17/1989 |
| 4768716 | Vehicle speed sensitive windshield washer control A windshield washer control for a vehicle is responsive to vehicle speed to vary the speed of an electric motor driven pump so as to vary the pump pressure with vehicle speed and thus counteract the downward dislocating effect, increasing with vehicle spe... | 09/06/1988 |
| 4714196 | Farm chemical delivery system A fluid delivery system (10) is provided for delivering at least one chemical (26) onto a field in a desired concentration. A carrier fluid (67) is provided for diluting the farm chemical (26). The mixture is pumped through a spray boom (18) onto the fiel... | 12/22/1987 |
| 4588127 | Material-spreading field vehicle having means for on-site metering and mixing of soil-treating chemicals A material-spreading field vehicle has a large hopper for holding comminuted plant nutrients, a conveyor for feeding nutrients to an evenly spreading distributor, and a plurality of relatively small always-carried auxiliary containers for holding concentr... | 05/13/1986 |
| 4523280 | Spreader control An improved control system for a mobile material distribution apparatus of the type having a ground speed sensor, a distributing device for spreading material along the path of travel of the apparatus, a variable rate delivery structure for delivering mat... | 06/11/1985 |
| 4301944 | Spreader devices having a controlled output A vehicle mounted liquid spreading device adapted to deliver selected, essentially constant, volumes of liquid per unit area over a range of vehicle speeds. The device operates to adjust the pressure in the liquid distribution system as a function of vehi... | 11/24/1981 |
| 4283014 | Mobile spreader apparatus drive system A mobile wheel mounted spreader apparatus has a material feed conveyor and a broadcast spreading impeller fan. A wheel driven drive train operates through a gear reducer to drive the conveyor at a speed proportional to the towed speed of the spreader appa... | 08/11/1981 |
| 4280663 | Scattering apparatus A vehicle-mounted spreading apparatus includes a container for the material to be spread, at least one spreading disc rotatable about a vertical axis and a dosing device for conveying material from the container to the spreading disc as the vehicle moves ... | 07/28/1981 |
| 4277022 | Mobile material distribution system Apparatus for controlling the delivery of material from a moving vehicle using a "closed loop" feedback control. The error signal to close the loop is derived from a continuous measurement of the actual rate of mass flow of material compared to the desire... | 07/07/1981 |
| 4273264 | Spreader marker having a ground wheel actuated aerosol supply This invention relates to lawn spreader markers generally, and more specifically to an intermittent manually controlled marking apparatus which delineates the area covered by the spreader hopper opening and which utilizes foam as the marking material.... | 06/16/1981 |
| 4247045 | Automatic volume control system An automatic volume control system for controlling the rate at which fluid, such as paint, is sprayed from spray guns on a mobile vehicle as a function of vehicle speed. The device permits paint lines to be maintained at a uniform thickness independently ... | 01/27/1981 |
| 4212428 | Hydraulic power and control system for granular fertilizer spreaders A trailer-type vehicle for transporting and dispensing solid materials over the ground includes a self-contained, hydraulic power and control system driven by one of the vehicle's ground engaging wheels which operates a first dispensing mechanism at a sel... | 07/15/1980 |
| 4202498 | Liquid distributing apparatus and in particular a fertilizer or insecticide sprayer The invention relates to a mobile liquid distributing apparatus comprising a quasi-constant flow supply device a variable flow distributing device, and liquid transfer means interconnecting the two devices. A flow regulating means is included in the trans... | 05/13/1980 |
| 4193547 | Mobile apparatus for spreading liquids at a constant volume per unit surface area Mobile apparatus for spreading a constant volume of liquid per unit area of surface in spite of variations in speed of travel, has a spreading liquid circuit which includes a pressure regulator for controlling the liquid pressure in response to the pressu... | 03/18/1980 |
| 4177675 | Spreader application rate monitoring device A spreader application monitoring device to determine and display the volume of liquid or granular material applied per unit area of ground by mobile application equipment is described. The device includes a first measuring means which generates an area e... | 12/11/1979 |
| 4121767 | Mobile agricultural sprayer with additive concentration control A mobile agricultural sprayer having a control system for controlling the amount of chemical additive added to a water stream from a mobile storage tank in response to a chemical additive concentration detector is disclosed. The mobile sprayer utilizes a ... | 10/24/1978 |
| 4093107 | Spraying equipment A device for determining the volume of spraying liquid applied to unit area of ground by spraying equipment. The device includes pulse generators for generating first and second electrical signals respectively representing the rate of supply of liquid and... | 06/06/1978 |
| 4083494 | Plant permitting spraying proportioning to the space covered, applicable in particular to agricultural sprayers A spraying plant the output of which can be made proportional to the rate of advance, comprises a source of power such as the power take off of a farming tractor, a positive displacement pump adapted to be driven from said source of power, a controlling m... | 04/11/1978 |
| 4019685 | Apparatus for synchronizing the speed of a material spreader or the like with the speed of a vehicle upon which it is mounted A mechanical cam-type apparatus is provided for ensuring even application of agricultural products or the like onto a field or the like from a moving vehicle notwithstanding variations from time to time in the ground speed of the vehicle. The apparatus in... | 04/26/1977 |
| 4006858 | Spray apparatus A method and apparatus for distributing a flowable material over a base surface and wherein said flowable material is centrifuged from the peripheral region of a rotary member to produce an annular spray pattern, concentric with the rotational axis of the... | 02/08/1977 |
