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| Number | Title | Issue Date |
| 7567420 | Electrostatically atomizing device An electrostatically atomizing device includes an emitter electrode, an opposed electrode opposed to the emitter electrode, and a cooling means which condenses the water on the emitter electrode from within the surrounding air, and a high voltage source applying a h... | 07/28/2009 |
| 7402798 | Apparatus and method for controlling an electrostatically induced liquid spray A system for controlling an electrostatically induced liquid spray includes an electrostatic spray device for generating a liquid spray from a liquid sample; a spray current sensing means placed in relation to the spray device and configured to generate a current ou... | 07/22/2008 |
| 7238394 | Powder coating apparatus and method for electrostatically coating an electrically grounded object In a powder coating apparatus a pulse signal S2 of a low voltage generated by a pulse signal generation circuit (7) is boosted to a high voltage by means of a high voltage impression circuit (8), so that it is impressed upon corona electrodes ( | 07/03/2007 |
| 7208023 | Dry dust control materials The present invention discloses methods to reduce dusting in bulk materials, such as coal. The method includes mixing with the bulk material either a fraction of the bulk material having an electrostatic charge opposite that of the remainder of the bulk material or ... | 04/24/2007 |
| 7187534 | Uniform charge device with reduced edge effects By varying corona producing element height/projection, a more uniform charge potential is achieved. Elements, such as pins or teeth, are shorter at the edges of an element array and grow longer as one moves toward the center of the array. Such variation in height/pr... | 03/06/2007 |
| 7156045 | Coating machine A coating machine having a coating material discharging mechanism for discharging a previously filled coating material under pressure to an atomizing mechanism wherein a coating material bag for filling a coating material is housed in a coating material discharging ... | 01/02/2007 |
| 7150412 | Method and apparatus for electrostatic spray A method and apparatus to improve the atomization of liquid and the efficiency of depositing liquid particles onto target objects, or to coat the target object with a thin film of liquid, to reduce the risk of high-voltage electrical shock, and to reduce the weight ... | 12/19/2006 |
| 7007370 | Self-assembled electrical networks Techniques for self assembly of macro-scale objects, optionally defining electrical circuitry, are described, as well as articles formed by self assembly. Components can be joined, during self-assembly by minimization of free energy, capillary attraction, or a combi... | 03/07/2006 |
| 6997396 | Battery operated airbrush An airbrush as used for a media delivery system comprises an air pressurizer, a power source and a media reservoir integrated into a single hand held device. The air pressurizer comprises a pump and motor assembly delivering pressurized air by way of first and secon... | 02/14/2006 |
| 6949715 | Method and apparatus for particle size separation An apparatus for separating a stream of particles comprises a charging device for injecting a net charge into a plurality of particles and a collector adjacent the charging device. The collector is grounded and arranged so that the charged particles disperse and col... | 09/27/2005 |
| 6938795 | Hand-held fluid dispenser system and method of operating hand-held fluid dispenser systems A hand-held fluid dispenser having an enclosure for supporting a container holding a fluid to be dispensed, and a method of operating such hand-held fluid dispensers. A first proximity sensor is located inside the enclosure immediately adjacent one side of the enclo... | 09/06/2005 |
| 6935583 | Coating-powder spray gun A coating-powder spray gun includes a gun housing (2) of which the front end face is sealed pressure-hermetically with respect to compressed gas by a front end wall (28). A current-limiting resistor (32) and at least a portion of a high-voltage ... | 08/30/2005 |
| 6923979 | Method for depositing particles onto a substrate using an alternating electric field Uniform portions of fine powders are deposited on a substrate by electrostatic attraction in which the charge of the electric field and polarity of the charged particles are varied repeatedly to form a buildup of powder on the carrier surface. ... | 08/02/2005 |
| 6902630 | Method for cleaning charged particles from an object An apparatus and method for cleaning objects having generally irregular surface features, such as reloadable photographic cameras, has a partial enclosure having opposing side walls, and a top wall joining the opposing side walls. An air ionizing element composed of... | 06/07/2005 |
| 6724014 | High-voltage hybrid circuit A hybrid semiconductor circuit adjustable by a control current for controlling voltage comprising a single high-voltage reversely polarized diode surrounded by at least two diodes emitting infrared radiation fed in series by the control signal and arranged to allow ... | 04/20/2004 |
| 6574085 | Power supply apparatus for electrostatic charging and method for same A power supply apparatus for electrostatic charging sprayed liquids from a spraying apparatus and method for same, the apparatus including a rotor having a magnet and magnetic poles, a booster coil assembly facing the rotor, for inducing high voltage AC p... | 06/03/2003 |
| 6402063 | Head for spraying apparatus A spray head for a spraying apparatus comprising a body formed as a conduit leading from an inlet end to a discharge end at which it forms a discharge pattern. A high velocity stream of air is injected into the head at its inlet end and flows through the ... | 06/11/2002 |
| 6037012 | Process for applying water-based products such as paints and varnishes to glass objects A process for applying water-based paints and/or varnishes to the surface of a glass article which includes the steps of charging a composition of water-based product to a potential of a given polarity, spraying the composition of the water-based product ... | 03/14/2000 |
| 5992771 | High voltage generator A high voltage generator is provided for use in applications where current demand is low but a high voltage is required. The generator comprises an array of photosensitive elements, such as an array of photovoltaic elements produced by laser scribing or e... | 11/30/1999 |
| 5972417 | Spray gun power supply monitor An apparatus for use in electrostatically applying coating material to an object includes a nozzle which directs a flow of coating material toward the object. A power supply unit provides an electric field to electrostatically charge the coating material.... | 10/26/1999 |
| 5949235 | System and method for detection and control of ungrounded parts in a production coating line A system and method for detecting and controlling ungrounded parts during the electrostatic coating process in order to improve production flow, provide an overall cost saving by efficient use of the coating material and prevention of accidental fires and... | 09/07/1999 |
| 5939993 | Method for developing a high voltage and device for electrostatic coating product spraying A method and device for monitoring the production of a high voltage for use in electrostatic application of a coating product, the high voltage being produced by a generator and the monitoring being performed by a circuit for measuring an electrical param... | 08/17/1999 |
| 5863497 | Electrostatic hand sanitizer A hand sanitizing apparatus which uses at least two electrostatic emitters to dispense germicidal fluid to substantially all the surfaces of a user's hands when both hands are placed in proximity to the electrostatic emitters. The apparatus comprises a fr... | 01/26/1999 |
| 5851292 | Electrostatic coating method and apparatus An apparatus for electrostatically coating a workpiece has an insulating separator valve mechanism for electrically separating a paint supply passage for supplying an electrically conductive paint to a coating gun, into a paint supply passage to which a h... | 12/22/1998 |
| 5779162 | Spraying device An electrostatic spraying device for use in spraying liquids having resistivities of the order of 5×106 ohm.multidot.cm and viscosities of the order of 1 Poise at a spraying rate up to at least 4 cc/min (especially paint formulations) is provi... | 07/14/1998 |
| 5735958 | Electrostatic coating system Electrostatic spray coating system which accurately determines the actual value of a high voltage present on at least one high voltage electrode as coating material is electrostatically charge. A control or input voltage is measured on the input of a volt... | 04/07/1998 |
| 5678770 | Powder coating spray gun with resettable voltage multiplier A powder coating spray gun includes a high voltage generator with a transformer and voltage multiplier circuitry located within the handle and barrel portions of the gun. The voltage multiplier circuitry includes a number of stages of capacitors and diode... | 10/21/1997 |
| 5631802 | Control ring for input spray in electrostatic spray system A guard ring for controlling size of a sprinkler column of liquid streams from a sprinkler head in an electrostatic spraying system is connected through a large resistor to ground. This provides an interaction between the liquid sprinkler column and the r... | 05/20/1997 |
| 5598099 | System and method for coincidence detection of ungrounded parts with detectors located within and outside a production coating area A system and method for coincidence detection of ungrounded or inadequately grounded parts during the electrostatic coating process in order to improve production flow, provide an overall cost saving by efficient use of the coating material and prevention... | 01/28/1997 |
| 5598316 | Method for reducing static electrical charges by application of ozonated water An apparatus and method for substantially eliminating static electrical charges from articles by rinsing the articles with ozonated water is disclosed. A closed loop recirculating system for ozonated water is described. The apparatus provides a pressure d... | 01/28/1997 |
| 5566042 | Spray gun device with dynamic loadline manipulation power supply An improved power supply for an electrostatic spray gun device having a voltage multiplier circuit adjusts to variations in the output load conditions of the multiplier circuit and dynamically modifies the operational loadline of the multiplier circuit in... | 10/15/1996 |
| 5506746 | Electrostatic powder coating gun and method of generating a high voltage in such a gun The invention provides a method of generating a high voltage in an electrostatic powder coating gun with a high-voltage generator having a transformer and a high-voltage cascade arrangement. The primary coil of the transformer is fed with an a.c. supply v... | 04/09/1996 |
| 5491602 | Air distributing and ionizing systems An air amplifying blow-off system incorporating an ionizing apparatus includes a converter driven by the compressed air being directed to an air distributor. The converter provides the power source for the ionizing apparatus. In this way, the air distribu... | 02/13/1996 |
| 5344676 | Method and apparatus for producing nanodrops and nanoparticles and thin film deposits therefrom A method and apparatus for producing nanodrops which are liquid drops with diameters less than one micron and producing therefrom solid nanoparticles and uniform and patterned film deposits. A liquid precursor is placed in an open ended tube within which ... | 09/06/1994 |
| 5324434 | Water purifying apparatus A filter of a water purifying apparatus main body which is housed in a sink is made as a positive electrode, and a DC voltage is applied, by a dry battery cell, between the filter and a negative electrode in a purified water passage. Thus, microbes are pr... | 06/28/1994 |
| 5255856 | Electrostatic spray painting apparatus An electrostatic spray painting apparatus includes an electrically-insulated intermediate reservoir for storing therein conductive paint to which a high voltage is directly applied. In addition, the intermediate reservoir includes a cylinder, a piston rec... | 10/26/1993 |
| 5241449 | Radon decay product removal unit as adpated for use with a lamp A radon decay product remover for use in a conventional, residential lamp. The remover screws into the light bulb socket of a lamp and provides a replacement socket for a light bulb. The flow of electric current to the light bulb is controlled by an on-of... | 08/31/1993 |
| 5199650 | Structure for preventing current from leaking out of devices for electrostatic spray coating Disclosed herein is a structure for preventing current from leaking out of devices such as a valve, an intermediate reservoir, etc., which are employed in an electrostatic spray coating apparatus for applying a desired voltage to electrically conductive p... | 04/06/1993 |
| 5184276 | Electrostatic paint spray gun In an electrostatic paint spray gun having a built-in high-voltage cascade that is cast into an insulator member together with a transformer, a carrier tube is provided that is composed of a tube section and of an annular flange, whereby the electrical co... | 02/02/1993 |
| 5170315 | Electrostatic spray gun In an electrostatic spray gun, particularly a hand spray gun, for coating workpieces with liquid or powdery coating material, the integrated or atached high-voltage cascade comprises a carrier plate of sintered ceramic that is printed with interconnects a... | 12/08/1992 |
