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| Number | Title | Issue Date |
| 5048755 | Irrigation system An irrigation system for controlling the operation of a number of control valves each of which controls the flow of water in a corresponding branch pipe leading from a common supply pipe. The system comprises a pair of control lines which extend along the... | 09/17/1991 |
| 5042699 | Dispenser, in particular for paints A device for delivering paints comprises a housing containing a rod which is movable by a microprocessor controlled pneumatic piston, to seal both ends of a discharge duct. The pneumatic piston is activated to move the rod to open both ends of the dischar... | 08/27/1991 |
| 5038268 | Irrigation system controller apparatus A computer-based controller controls and displays, on a real-time basis, the operation of a large number of watering stations. The controller provides functional statistics, assessment of the system flow characteristics and monitoring of station and syste... | 08/06/1991 |
| 5023787 | Irrigation control and flow management system Method and apparatus for controlling an irrigation system within prescribed limits of pump capacity and flow capacity through defined local zones. Watering schedules may be all simultaneously activated and will make multiple requests for watering time, fo... | 06/11/1991 |
| 5021939 | Computerized sprinkler control system A computer-controlled irrigation system (10) comprising a computer (22), a number of remote valves (18), and a plurality of reference sensors (28) installed in the area to be irrigated. The number of reference sensors (28) is less than the number of remot... | 06/04/1991 |
| 5009192 | Animal deterrent apparatus An apparatus for deterring animals from intruding into gardens, fields, yards, etc. has at least one sprinkler which produces an initial sudden jet of water to frighten or startle an animal. The apparatus has a water sprinkler, preferably on which is an i... | 04/23/1991 |
| 4992952 | Paint discharge rate control system A paint discharge rate control system includes a paint flow regulator provided in a paint supply line connecting a color changing valve group to a painting nozzle, a paint mass flow meter for measuring the mass flow rate of paint, provided in the paint su... | 02/12/1991 |
| 4988041 | Method and apparatus for watering cultivated land, providing a protection for cultivated plants Method and apparatus for protecting plants against the effects of a drop in ambient temperature by causing the formation and preservation of dew or rime, according to the circumstances. The apparatus comprises a "dew box" which measures the ambient temper... | 01/29/1991 |
| 4955540 | Water displays Water displays utilizing laminar flow streams to create dynamic arch-like displays are disclosed. The laminar flow nozzle is mounted on an assembly for changing the angle and repositioning the laminar flow nozzle so that the laminar flow stream appears to... | 09/11/1990 |
| 4951204 | Irrigation controller having means for watering after failure in primary and back-up power supplies An irrigation controller having means for insuring watering, even after a failure in its primary and back-up power supplies. During a failure in the primary supply, the back-up supply is examined to determine whether it, as well, suffered a failure. If it... | 08/21/1990 |
| 4949794 | Remotely controlled firefighting apparatus and control means Control apparatus for selectively generating and converting control input information into controlling output for position and movement of controlled apparatus. The controlled apparatus includes a fluid discharge device comprising a nozzle disposed for ve... | 08/21/1990 |
| 4937732 | Irrigation controller An irrigation controller includes a microprocessor for controlling a plurality of watering stations under program control according to a plurality of parameter values, and a module dimensioned and arranged to enable a user to transport the module by hand.... | 06/26/1990 |
| 4937746 | Irrigation controller including means to identify parameter value groups to be displayed An irrigation controller includes a microprocessor for controlling a plurality of watering stations under program control according to a plurality of stored parameter values, a display module operationally connected to the microprocessor means for display... | 06/26/1990 |
| 4932589 | Method of and apparatus for electrical isolation of electrostatic sprayers Apparatus for coupling a grounded color changer and associated supplies of conductive paint to an electrostatic paint sprayer isolates the color changer and paint supplies from a high voltage at the sprayer. The apparatus has at least one reservoir into w... | 06/12/1990 |
| 4917304 | Automatic controller for injection of additives into irrigation water An injection control system selectively to activate circuitry for controlling injection of additive chemicals into an existing automatically timed irrigation system having an irrigation timer. This control system includes a plurality of storage reservoirs... | 04/17/1990 |
| 4913089 | Concrete injector pump and process for lining pipe A computer controlled concrete injector pump and process for lining pipe comprises a pump chamber having an outlet connected to a spray lance through a first check valve and having first and second inlets, one inlet being connected through a second check ... | 04/03/1990 |
| 4909329 | Fire supervising system and extinguishing target determining system This invention relates to a fire supervising system and a fire extinguishing target determining method in the water discharging and fire extinguishing operation. The system and method of the present invention is characterized by dividing a fire supervisor... | 03/20/1990 |
| 4899934 | Irrigation monitor In an irrigation rig made up of sections arranged end-to-end in a line, adjacent sections form angles therebetween, and in so doing form angles therebetween in the transverse movement of the rig. Safety switches are provided between adjacent sections, and... | 02/13/1990 |
| 4895303 | Sprinkler system fertilization regulator A sprinkler system fertilization regulator is provided that automatically mixes a plurality of chemicals for the purpose of fertilization, weed control, or insect control. An electrically operated manifold distributes the chemical/water stream to each of ... | 01/23/1990 |
| 4892250 | Dynamic fountain displays and methods for creating the same Dynamic fountain displays and methods of creating the same for providing water displays wnich may substantially constantly vary in interesting and seemingly endless ways. In one form, the fountains are comprised of a matrix of fountain nozzles positioned ... | 01/09/1990 |
| 4873650 | Water flow controller A water flow controller times periods of uninterrupted water flow through a valve and closes the valve whenever a timed period exceeds a preselected duration.... | 10/10/1989 |
| 4867192 | Apparatus for controlling irrigation water pH for golf courses An automatically controlled irrigation water pH amendment system and apparatus associated with golf courses utilizing automatic irrigation systems to irrigate the various species of turf grasses used on fairways, tees, greens and other areas; being adapte... | 09/19/1989 |
| 4858827 | Electronic water sprinkler timer Apparatus for connection with a sill cock for communicating water under pressure from the sill cock with a hose having a lawn sprinkler communicating therewith comprising a water control unit having a female coupler for connection with the sill cock, a ma... | 08/22/1989 |
| 4852802 | Smart irrigation sprinklers An improved automated irrigation system having localized moisture needs input to the control function. There is a sprinkler head connected to a supply of water under pressure by a pipe having a valve therein. A moisture sensing probe is placed in the soil... | 08/01/1989 |
| 4852051 | Flexible irrigation controller The present invention discloses a simplified solid state controller for flexible use in controlling many individual watering stations that make up an automatic irrigation system. The operator input panel provides switches the operator can use to initiate ... | 07/25/1989 |
| 4848657 | Method of and apparatus for controlling the flow rate of viscous fluid A method and an apparatus for controlling a flow rate of viscous fluid for feeding the fluid under pressure from a pump through a hose to a spray gun with a control unit. A temperature and a pressure of the viscous fluid in the hose is detected. Based on ... | 07/18/1989 |
| 4844341 | Cibernetic fountain apparatus and valve therefor An automatic system for the selective distribution of liquid streams comprising a plurality of nozzles, each with an inlet end and an outlet end and adapted to permit a flow therethrough of a liquid stream, the flow being variable in intensity. The invent... | 07/04/1989 |
| 4842162 | Apparatus and method for dispensing fluid materials using position-dependent velocity feedback Apparatus and method for dispensing fluid materials wherein the fluid is discharged from a nozzle at a rate controlled by a metering valve having a seat and a stem moveable with respect to the seat to modulate the flow. A servo-actuator connected in a fee... | 06/27/1989 |
| 4838310 | Hydroelectrically powered, remotely controlled irrigation system An impeller is positioned within the flow of a fluid to be used to irrigate an area. The impeller drives a generator, which operates to charge and sustain a storage battery. The battery powers a receiver having an identification code by which the receiver... | 06/13/1989 |
| 4838311 | Control system for a programmed spraying device In the sequential coating of motor-vehicle bodies using a preprogrammed painter-robot, the paint is switched on and off by an automatically controlled pilot needle-valve (FNV) at predetermined times as a function of the relative positions of the robot and... | 06/13/1989 |
| 4834143 | Sprinkler control system Self-contained, automated flow control system for use in a water distribution system such as a sprinkler system. The system has a master valve which controls communication between a supply line and a manifold, and a plurality of control valves which contr... | 05/30/1989 |
| 4821673 | Applicator robot and apparatus having member for picking up and transporting workpiece An applying robot which is disclosed herein comprises a movable arm having an applying gun and reciprocatingly movable at least between a work carry-in position and an applying position; and a work transporting hanger member mounted on the movable arm for... | 04/18/1989 |
| 4811221 | Simplified battery operated automatic and manually operable valve Simplified battery operated automatic and manually operable valves for use in sprinkler systems and the like are disclosed. The valves are operable from a latching actuator controlled through a microcomputer programmed to turn the valve on and off at a sp... | 03/07/1989 |
| 4807664 | Programmable flow control valve unit A programmable flow control valve unit has a valve assembly with a solid state control cooperating with a programmable timing device to provide the operating mode for the purpose of operating the valve unit for a predetermined time period or periods in or... | 02/28/1989 |
| 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 |
| 4799142 | Irrigation controller There is shown and described a relatively low cost irrigation controlling apparatus for controlling a plurality of watering or irrigating stations. These stations can be individually set to operate for prescribed time durations. Automatic or manual contro... | 01/17/1989 |
| 4797820 | Programmable flow control valve unit with clock, program, automatic, manual, and repeat modes A programmable flow control valve unit has a valve assembly with a solid state control cooperating with a programmable timing device to provide the operating mode for the purpose of operating the valve unit for a predetermined time period or periods in or... | 01/10/1989 |
| 4791948 | Sprinkler control system Self-contained, automated flow control system for use in a water distribution system such as a sprinkler system. The system has a master valve which controls communication between a supply line and a manifold, and a plurality of control valves which contr... | 12/20/1988 |
| 4763836 | Irrigation system for precise water and chemical application Apparatus for precise water and liquid chemical application to agricultural fields is provided comprising a control platform with two motors, each motor driving a separate set of drive wheels. The speed of the first platform motor being selectable, the sp... | 08/16/1988 |
| 4760547 | Remote controlled multi-station irrigation system with DTMF transmitter A remote controlled multi-station irrigation system in which discrete radio signals are transmitted from a remote location for each different function to be performed. The system includes a controller with a central processor, individual station actuator ... | 07/26/1988 |
