Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7896258 | Speed based fluid control for dust reduction in the mining industry having gui user-interface A system and apparatus for controlling the delivery of fluid from a reservoir, in relation to the ground speed of the vehicle delivering the fluid. Including a system where a hydraulic pump and motor are the components to drive the delivery of the fluid from the res... | 03/01/2011 |
| 7419104 | Paint striper and methods of construction A series of improved paint stripers and methods for their construction, the use of lightweight, inexpensive, readily available construction materials, and specialized nozzles and actuators. ... | 09/02/2008 |
| 7175106 | Paint striper and methods of construction A series of improved paint stripers and methods for their construction, the use of lightweight, inexpensive, readily available construction materials, and specialized nozzles and actuators. ... | 02/13/2007 |
| 7140555 | Hydraulic circuit for line marker having marking, flush and clean out modes of operation A line marker carries a spray nozzle assembly for marking or painting a line on a horizontal surface. The line marker has a hydraulic circuit which includes a reservoir for holding marking liquid therein and a tank for holding water therein. A pump can pump marking ... | 11/28/2006 |
| 7108196 | Method and apparatus for depositing snow-ice treatment liquid on pavement Method and apparatus for depositing liquid brine on roadway surface. Substantially horizontally disposed streamer nozzles are employed in conjunction with brine pumps which are operated in correspondence with the forward speed of the treatment vehicle. Substantially... | 09/19/2006 |
| 7081611 | Selective weed discrimination An apparatus (22) for selectively discriminating vegetation or plant matter (28) comprises a light emitting means (24), a light sensing means (30) and a distance sensing means (34). The light emitting means generates a beam of ligh... | 07/25/2006 |
| 6749128 | Spray control device A spray control device for use with vehicle mountable spraying apparatus having a pump for conveying fluid under pressure to a spray head. The control device has a pressure sensor for sensing the pressure of the fluid near the spray head. A speed sensor enables calc... | 06/15/2004 |
| 6565015 | Portable self-energizing pressure sprayer A pressure sprayer is pressurized automatically with movement of the sprayer and maintains adequate pressure during non-movement to allow the ejection of an amount of liquid before needing re-pressurization. The pressure sprayer includes wheels that allow... | 05/20/2003 |
| 6454183 | Sprayer boom A sprayer boom on a vehicle serves for by means of a number of liquid nozzles spraying a carriageway with a liquid fed under pressure to the nozzles from a storage container via a feed pipe. The nozzles are divided into sets with each their valve arrangem... | 09/24/2002 |
| 6443365 | Discriminating ground vegetation in agriculture A method and device for discriminating different types of ground vegetation in agriculture is disclosed in which an artificial source (24) of electromagnetic radiation is employed for directing a beam (26) of radiation onto the vegetation. A sensor assemb... | 09/03/2002 |
| 6336600 | Self-propelled material spreader A self-propelled lawn and garden spreader that can be used to apply granular and/or liquid materials to both wide and narrow areas at a constant rate of application per unit area at different ground speeds, such as at a relatively high speed when the oper... | 01/08/2002 |
| 6318645 | Variable rate flow divider A fluid distribution system is especially useful in agricultural apparatus for delivering liquid agricultural chemicals to agricultural fields. The system includes a flow divider with a cylindrical stator with a ring of collection chambers around the bott... | 11/20/2001 |
| 6065686 | Method and apparatus for the distribution of a liquid composition There is disclosed a method of distributing a liquid composition over the ground from travelling equipment, the composition comprising an active ingredient, in which method the concentration of the active ingredient in the liquid composition is varied in ... | 05/23/2000 |
| 5947385 | Vehicle towed apparatus for striping of roads A line striper is attached to a vehicle with a two point hitch and has a swivelable rotatable wheel mounted thereunder to support the striper on the ground. A main beam is releasably clamped and may be slid from side to side depending on operator preferen... | 09/07/1999 |
| 5911363 | Vehicle mounted spray apparatus and method A vehicle mounted spray system includes a variable orifice spray nozzle and control apparatus to correlate the delivery of pressurized fluid spray product to the nozzle in a selected ratio to the ground speed of the vehicle. The spray nozzle includes a ci... | 06/15/1999 |
| 5911362 | Control system for a mobile material distribution device A control system is provided for efficiently regulating the discharge of material from a mobile material distribution device having a product tank or bin, a boom with at least one boom section, a plurality of outlet ducts (e.g., nozzles and/or distributio... | 06/15/1999 |
| 5906445 | Apparatus applying a liquid to a lawn An apparatus may be forcibly moved over an underlying grassy surface, such as a lawn, to evenly apply a liquid treatment material by contact between the outer surface of a support roller contacting the ground. Above the roller is provided a pivotally supp... | 05/25/1999 |
| 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 |
| 5651500 | Automated farming system A system and method for operating various farming devices at a location remote from the device. A hand-held radio transmitter is programmed to transmit Dual Tone Multiple Frequency tones in specific patterns so as to communicate directions to a controller... | 07/29/1997 |
| 5520333 | Tube metering control system Method and apparatus for dispensing a liquid agricultural agent at a desired rate. A source of the liquid is pressurized and passed in parallel though at least one regulating capillary tube of such diameter and length as to regulate the rate of dispensing... | 05/28/1996 |
| 5314120 | Device for applying plant-protecting compositions In a device for applying plant-protecting compositions and the like, having a tank for carrier fluid, for example water, and a feed pump that pumps carrier fluid from this tank through a pipe to which spray nozzles are connected, and having a metering pum... | 05/24/1994 |
| 5310113 | Sprayer control system and method for using same A sprayer control system and method for using same includes a pump for directing a mixture of chemical and fluid carrier to a flow control valve. The flow control valve includes an intake port, a bypass port, and a regulated outlet port. A valve member is... | 05/10/1994 |
| 5234128 | Aggregate material spreader A material spreader consisting of a hopper, attached to a motor vehicle, which receives and dispenses an aggregate material in predetermined quantities and in a layer having substantial uniformity in thickness. The rate of dispensing the aggregate materia... | 08/10/1993 |
| 4936096 | Drive mechanism A drive mechanism for driving a shaft in unison with a wheel. The drive mechanism includes a plurality of slave pistons and a like plurality of master pistons. Each slave piston is paired with a master piston to establish a plurality of paired pistons. A ... | 06/26/1990 |
| 4826083 | Direct injection fluid sprayer A direct injection chemical sprayer for spraying a fluid mixture onto a field as the sprayer is moved over the field. The sprayer includes a chemical pump mechanism for pumping chemicals from a chemical tank, a sensing mechanism for sensing the speed at w... | 05/02/1989 |
| 4805088 | Method and apparatus for microprocessor controlled sprayer This invention relates to an improved method and apparatus for application of agrochemicals from a moving vehicle. It utilizes a multiple chemical infusion system for mobile spraying of liquid mixtures at present, controlled, and monitored application rat... | 02/14/1989 |
| 4721245 | Method and an apparatus for spraying a liquid A method and an apparatus for the spraying onto a field of a liquid such as a herbicide solution by means of a spraying apparatus, propellable over the field, with a series of spraying members (3) fed by a common liquid pressure pump (6) wherein a carrier... | 01/26/1988 |
| 4637547 | Control method and apparatus for liquid distributor A liquid sprayer has a tank for storing liquid, a boom supporting spraying nozzles, and a pump and liquid control system for supplying liquid under pressure to the spraying nozzle in a manner that maintains substantially uniform liquid dispensing density ... | 01/20/1987 |
| 4630773 | Method and apparatus for spreading fertilizer Fertilizer spreading apparatus includes a vehicle carrying a plurality of product bins, each for carrying a fertilizing product. Feeder devices are provided to meter product from the bins which is collected and spread over the field to be fertilized. A co... | 12/23/1986 |
| 4629122 | In-field fractionation process for green vegetation crops A field-going machine is disclosed for separating the green liquid fraction of a green vegetation crop into leaf protein concentrate fraction and a brown liquid fraction, where a portion of the brown liquid fraction is heated and then recirculated to mix ... | 12/16/1986 |
| 4530463 | Control method and apparatus for liquid distributor A liquid sprayer has a tank for storing liquid, a boom supporting spraying nozzles, and a pump and liquid control system for supply liquid under pressure to the spraying nozzles in a manner that maintains substantially uniform liquid dispensing density in... | 07/23/1985 |
| 4519542 | Boomless, sprayer for field application for agricultural liquids A spray type applicator for liquid agricultural chemicals has no boom but uses only a cluster of nozzles which emit sprays to create narrow ground-impacting overlapping patterns extending laterally of the carrying vehicle. Swath width of the overall patte... | 05/28/1985 |
| 4460127 | Device for applying uniform traffic lines A device for obtaining a uniform application of marking material on streets, squares, or the like and, in particular, a marking machine with travel dependent driven, statically-operating pump system for the marking material, is provided. The device preven... | 07/17/1984 |
| 4392611 | Sprayer control system An automatic control system for a vehicular liquid sprayer includes a control circuit for receiving a liquid pressure signal and a vehicle ground speed signal and operator accessible controls for delivering to the control circuit signals corresponding to ... | 07/12/1983 |
| 4373668 | Spreader control A computer control technique controls a chemical spreading operation such as the spreading of a salt-sand composition from a truck hopper. The vehicle has a spinner motor controlled by the vehicle operator from the control panel which is preferably dispos... | 02/15/1983 |
| 4358054 | Field-sprayer tank-vehicle having means for on-site metering and mixing of soil-treating chemicals A field tank-vehicle has a large reservoir for holding water or plant nutrients in water solution and/or suspension, and a plurality of relatively small auxiliary containers for holding water solutions and/or suspensions of herbicides, insecticides, hormo... | 11/09/1982 |
| 4350293 | Vehicle equipped with a liquid spreader device This device comprises a tank for the product to be spread, a pump inserted in a conduit connecting the tank to a spreader system, a regulating valve actuated by a driver. An electronic system controls the driver as a function, on one hand of the speed of ... | 09/21/1982 |
| 4322034 | Hydraulic rate control system for sprayers A hydraulic rate control system for maintaining a selected application rate at varying ground speeds. The application rate is selected through an operator control which permits the operator to dial in the spray tip size, the width of the spray pattern per... | 03/30/1982 |
| 4319717 | Spray gun for applying granulated material A spray gun for applying granulated material onto a surface, preferably glass beads onto roadway markings, or the like, is characterized in that a bead spray gun with an ejection effect is coupled with a mechanical dosaging device in one structural unit. ... | 03/16/1982 |
| 4260107 | Hydrostatic spraying system A hydrostatic spraying system with multiple spray booms for use with vehicles is especially suited for spraying agricultural treatment liquids such as fertilizers, herbicides, insecticides, trace minerals, etc. The system includes an operator-controllable... | 04/07/1981 |
