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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7384661 | Electrostatic application of powder material to solid dosage forms in an electric field A method of electrostatically applying a powder material to a solid dosage form comprises the following steps: applying a bias voltage to generate an electric field between a source (1) of the powder material and the solid dosage form (5); applying an ... | 06/10/2008 |
| 7288291 | Method for forming a film, by using electrostatic forces A film is formed on a planar surface by applying a granular layer on the planar surface by using electrostatic forces, and then finishing the granular layer to form the film. A converting line may be rebuilt to have devices employing this method. A multilayer sheet-... | 10/30/2007 |
| 7186445 | Method for electrostatic coating of a paper web A method for preliminary treatment of particles of a powder in a dry surface treatment process before applying the powder particles on a surface of a substrate by utilizing an electric field created by electrodes. The Electrodes are located at opposite sides of the ... | 03/06/2007 |
| 7052569 | Method for producing a high-quality insulation of electric conductors or conductor bundles of rotating electrical machines by means of spray sintering The present invention discloses a process for producing a high-quality insulation for conductors or conductor bundles of electrical machines by means of spray-sintering. Unlike in the prior art, it is possible to apply internal corona-discharge protection, insulatio... | 05/30/2006 |
| 7037374 | Pneumatic pump switching apparatus A coating material spray application system includes first and second coating material supplies; first and second coating material pumps and first and second feed hoses; wherein each feed hose is in communication with a respective one of the coating material pumps a... | 05/02/2006 |
| 7008668 | Powder coating composition for electrostatic coating of pharmaceutical substrates An apparatus and method for locking a gun. The apparatus includes a dummy round configured for insertion into a firing chamber of a gun, a locking component configured for coupling with the dummy round, and an elongated sleeve rotatably coupled with the locking comp... | 03/07/2006 |
| 6946163 | Coating technique A method of curing a coated article in a curing oven, the method has the steps of delivering a plurality of coated articles on a travel path through an oven. One ore more excess coating sites are determined on the coated articles which are potential sources of exces... | 09/20/2005 |
| 6890604 | Method and system for powder coating passage doors A method of applying a powder coating to a medium density fiberboard (MDF) or particleboard door includes attaching a first hanger to the door, providing an electrical source to the door through the first hanger, and conveying the door, via the first hanger, into a ... | 05/10/2005 |
| 6863920 | Distributed control system for powder coating system A powder coating control system comprising a plurality of gun controls associated with a like plurality of powder spray guns. Each of the gun controls stores a plurality of presets spray parameters. Each of the gun controls responds to part identification signals an... | 03/08/2005 |
| 6790484 | Method and apparatus for cleaning electrostatic painting hooks A method for isolating non-conductive oxide constituents of paint from the product support hook surfaces of an electrostatic painting conveyor, coats the hooks with a conductive coat of primer paint having from 10% to 80% finely divided conductive materials in a com... | 09/14/2004 |
| 6733845 | Process for electrostatic impregnation of a powder into a network The invention concerns an impregnation method for producing in particular a composite material comprising a fiber or filament array and a continuous matrix, rigid or flexible, with which said array is in close contact. The method is characterized in that said matrix... | 05/11/2004 |
| 6712285 | Process and station for changing product in an installation for spraying coating product This station (10) comprises at least two areas (11, 12) for cleaning/filling a reservoir, each adapted to receive a sub-assembly (7) formed by a reservoir (8) and a sprayer (9) while this sub-assembly (7) is disconnected fro... | 03/30/2004 |
| 6703079 | Method for painting with a bell applicator A method for painting a panel using a paint applicator defines a painting pattern with a plurality of points on a surface of a panel to be painted, the pattern extending in a predetermined direction and the points defining opposite edges of the pattern ex... | 03/09/2004 |
| 6689457 | Electrically conductive coatings applied by internally charged electrostatic sprayers The present invention provides compositions comprising a graphite, binder precursor and low polarity solvent that upon hardening form layers of an electrically conductive material. The compositions of the present invention are sprayable by an internally c... | 02/10/2004 |
| 6638577 | Method of manufacturing golf club head A method of manufacturing golf club heads comprises a process of coating golf club heads with a paint by passing the golf club heads through a space in which the paint is sprayed by an electrostatic spray coating machine so that the charged spray of the p... | 10/28/2003 |
| 6589607 | Method of coating a continuously moving substrate with thermoset material and corresponding apparatus A method and apparatus for coating sheet material with thermoset material. In certain embodiments, first and second different induction furnaces are provided, with the coated sheet first proceeding into and through the first furnace, and then into and thr... | 07/08/2003 |
| 6544598 | Electrostatic process for depositing abrasive materials The use of a solid state waveform generator together with a suitable non-inverting amplifier provides a very versatile system for depositing particles on a substrate by an upward deposition, or "UP", technique.... | 04/08/2003 |
| 6500493 | Electrostatic deposition process Fine abrasive powders can be made more free-flowing and better adapted to electrostatic upward projection deposition in the production of coated abrasives by the control of the volume resistivity of the powder to a level that is not greater than 1014... | 12/31/2002 |
| 6444273 | Method for setting automatic gun triggering parameters in automated spray coating systems A method for controlling triggering of spray guns in an automatic spray coating system, includes a hand-held pendant having input controls for entering spray gun "on" and spray gun "off" control parameters based upon observation of parts as they are conve... | 09/03/2002 |
| 6395346 | Process for application of a fluoropolymer coating to a threaded fastener The present invention is directed to a process for the application of fluoropolymer to a preselected area of a threaded fastener, and particularly to substantially all of the threads of the fastener. The fluoropolymer is supplied to a spray nozzle in powd... | 05/28/2002 |
| 6391392 | Process and station for changing product in an installation for spraying coating product A process and station for changing product in an installation for spraying coating product, by bringing a first reservoir towards a suitable area of a cleaning/filling station, separating a sub-assembly composed of the first reservoir and a first spray as... | 05/21/2002 |
| 6350491 | Painting apparatus and method A method and apparatus for painting parts wherein a plurality of paint coats are applied to a part utilizing a single spray booth for all of the coat applications. The painting apparatus includes a main line track structure extending from a loading statio... | 02/26/2002 |
| 6214421 | Method of powder coating A method of powder coating at least one surface of a non-conductive object having a plurality of sequential steps. The first step is pretreating the surface of the non-conductive object to ensure that the surface is suitably cleaned. The second step to ap... | 04/10/2001 |
| 6194027 | Method and equipment for powder spray coating A method for powder spray-coating objects utilizes pneumatic conveyance of powder from an injector to a spraying system having a spray coating zone through which objects are consecutively conveyed in an automated system. Power conveyance is interrupted be... | 02/27/2001 |
| 6156392 | Process for triboelectric application of a fluoropolymer coating to a threaded fastener The present invention is directed to a process for the application of fluoropolymer to a preselected area of a threaded fastener, and particularly to substantially all of the threads of the fastener. The fluoropolymer is supplied to a spray nozzle in powd... | 12/05/2000 |
| 6153267 | Method of applying a coating powder to a substrate An atomized fluid, such as a mist of water, is applied to a preheated substrate, such as wood, a wood product, paper, or ceramic just prior to or contemporaneously with electrostatically applying a coating powder to the substrate. The atomized fluid is ab... | 11/28/2000 |
| 6117479 | Electrostatic coating Method of electrostatically coating a substrate wherein the substrate is brought to a coating station at which it is held substantially electrically isolated from its surroundings adjacent a source of particulate coating material. The substrate and the co... | 09/12/2000 |
| 6068877 | Method of detecting workpieces in an electrostatic coating system The invention refers to a method of detecting workpieces in an electrostatic coating system, comprising at least one electrostatic coating device, which applies a high voltage to a high voltage electrode, in which the high voltage electrode generates a sp... | 05/30/2000 |
| 6051280 | Method of controlling an electrostatic coating device and an electrostatic coating system The invention refers to a method of controlling a coating device, which discharges a coating medium such as a powder or wet lacquer to a workpiece, in which in accordance with the shape of the workpiece the shape of the cloud of the coating medium dischar... | 04/18/2000 |
| 6045855 | Electrostatic coating of small falling objects This invention relates to a process and a device for producing an even and homogenous coating of liquids or powders on small free-falling objects that are not earthed. The process and the device according to the invention are primarily intended for surfac... | 04/04/2000 |
| 5976635 | Method for coating a paper or board web A method for coating a paper or board web or the like (7) using a coating mix aerosol generated by means of an ultrasonic atomizer. The output power of a plurality of ultrasonic transducers (15) disposed proximate to a surface of the moving web (7) is pas... | 11/02/1999 |
| 5928731 | Electrostatic powder spray coating method A high voltage generated by a high voltage generator is applied to corona electrodes, and powder supplied from a powder flow passage collides against a diffuser main body while being moved in a vortex by air ejected from a vortex air introduction port and... | 07/27/1999 |
| 5863600 | Method and apparatus for uniformly applying a coating to a can body For the application of a coating material to an object, the coating material is conveyed along a conduit by means of an entraining gas. For good conveying conditions, the entraining gas is made to travel at high velocity. In order that the velocity of the... | 01/26/1999 |
| 5843515 | Distributed control system for powder coating system A powder coating control system comprising a plurality of gun controls associated with a like plurality of powder spray guns. Each of the gun controls stores a plurality of presets spray parameters. Each of the gun controls responds to part identification... | 12/01/1998 |
| 5757606 | Electrical ground connection for powder painting apparatus Apparatus for electrostatically applying a coating to articles in a chamber includes nozzles for discharging a fluid stream of coating composition, usually a dry powder, into the chamber. An electrical charge is applied to the individual particles of the ... | 05/26/1998 |
| 5695826 | Electrostatic powder coating apparatus and method An electrostatic powder coating apparatus comprising a powder reservoir, a gas flow injection chamber, a diffusion chamber and a coating chamber and method for coating a substrate or target objects. The injection chamber receives powder from the reservoir... | 12/09/1997 |
| 5688565 | Misted deposition method of fabricating layered superlattice materials A precursor liquid comprising several metal 2-ethylhexanoates, such as stroritium tantalum and bismuth 2-ethylhexanoates, in a xylenes/methyl ethyl ketone solvent is prepared, a substrate is placed within a vacuum deposition chamber, the precursor liquid ... | 11/18/1997 |
| 5645919 | Self-supporting sheet-like structure having at least one structured surface A self-supporting sheet-like structure is described, which contains a substrate layer and a structured coating on at least one surface of the substrate layer. The structured coating is produced by treating at least one surface of the substrate layer by me... | 07/08/1997 |
| 5620750 | Method for applying metallic coating The disclosed present invention relates to a method of applying a metallic coating, such as a finish paint coating to an automobile. This method comprises two processes or stages using a bell-shaped rotary atomizer and a metallic paint. The amount of pain... | 04/15/1997 |
| 5612096 | Methods and apparatus for applying powder to workpieces An apparatus for spraying powder coating material includes a rotatable turret which moves articles to and from a work station. A powder spray gun is operable to spray a pattern onto each of the articles in turn while the article is at the work station. Th... | 03/18/1997 |
