Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7325750 | Powder coating system with improved overspray collection Powder overspray that is extracted from a spray booth is recovered back to a powder supply that is used to supply powder to the spray guns inside the spray booth. The powder overspray extracted from the booth is separated from the high flow air stream by a separator... | 02/05/2008 |
| 7276271 | Polymer fiber tubular structure having kinking resistance An apparatus for forming a tubular structure from a liquefied polymer, the apparatus comprising: (a) a dispenser for dispensing the liquefied polymer; (b) a precipitation electrode being at a first potential relative to the dispenser, the precipitation electrode bei... | 10/02/2007 |
| 7210581 | Apparatus for magnetically separating integrated circuit devices A method and apparatus of separating integrated circuit (IC) devices according to magnetic properties of the devices is disclosed. A plurality of IC devices are subjected to a magnetic field. The IC devices containing only nonferrous material are not responsive to t... | 05/01/2007 |
| 7207497 | Dry flake sprayer and method A device 10 for spraying dry flakes 12 including: an enclosure 22 including a lower portion 26 for holding a supply 12A of dry flakes 12 and an upper portion 27; a gas flow conduit 50 including: a receiving por... | 04/24/2007 |
| 7048972 | Method for manufacturing coated article After forming a primary powder bed (i.e., powder layer) at a toothed portion of an article, such as a gear or a spline shaft, by electrostatic powder coating process, the powder bed/layer is removed from crests of teeth in the toothed portion by a specified thicknes... | 05/23/2006 |
| 6896935 | Electrostatic powder coating method for the inner periphery of a tube having a shoulder A method of forming a coating on an inner periphery of a tube with a cylindrical barrel, a mouth on one axial end of the barrel, and a shoulder located between the barrel and the mouth. The method involves holding the tube, and subsequently jetting powder into the t... | 05/24/2005 |
| 6589345 | Powder spray-coating cabin A powder spray-coating cabin, in particular a vertically cylindrical cabin, has its air suction flows shifted away from the center of spray coating toward object wall passages.... | 07/08/2003 |
| 6496071 | Amplifier with adjustable voltage gain and method of operating the same An amplifier stage comprises a transistor, an output load, at least two resistive elements, and at least two control switches. The transistor has an input terminal, an output terminal and a ground terminal. The load has a first terminal coupled to the tra... | 12/17/2002 |
| 6245391 | Powder fluidized bed and coating method utilizing a circulating powder stream This invention pertains to a powder coating apparatus and a method for using the powder coating apparatus. The apparatus includes a booth that defines a coating space, a holder to hold an object within the coating space, electrodes positioned within the c... | 06/12/2001 |
| 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 |
| 6129946 | Powder coating apparatus and method for supplying and mixing powder in a coating apparatus The invention provides a powder coating apparatus, comprising a fresh powder container for receiving fresh powder, a recovery container for receiving powder recovered from the coating process, and a mixing container, which is connected to the fresh powder... | 10/10/2000 |
| 6129947 | Powder duster The present invention is a means and method for powder dusting various manufactured products such as extrusions, sheet materials, thin films, and piece parts. The powder dusting system includes a regenerative compressor which propels an air/dust mixture t... | 10/10/2000 |
| 6099898 | Method for applying powder paint An apparatus and process for allowing a powder paint system to utilize reclaimed oversprayed powder paint of various colors by collecting it in a common reclaim collector system. The reclaimed powder paint is then applied to a work piece as a base coat to... | 08/08/2000 |
| 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 |
| 6015585 | Powder coating process using two or more kinds of powder paint Paints of different color brightness not deposited on the work to be coated in a powder coating process are recovered as a mixture, and a fresh paint of high or low color brightness is added to the mixture to adjust its color brightness and thereby prepar... | 01/18/2000 |
| 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 |
| 5908705 | Laser imageable lithographic printing plates Lithographic plate compositions and a method for their production have been discovered that are especially useful in conjunction with digitally controlled lasers to directly construct printable images on lithographic plates. The plates comprise a substrat... | 06/01/1999 |
| 5795626 | Coating or ablation applicator with a debris recovery attachment An environmentally compliant triboelectric applicator and process for coating or ablating a substrate and for retrieving excess or ejected material from the substrate. The applicator comprises an inner supersonic nozzle for accelerating triboelectrically ... | 08/18/1998 |
| 5776554 | Electrostatic powder coating system and method An electrostatic powder coating system usable for coating articles transported along a substantially non-conductive article transport conveyor belt supported by a substantially non-conductive slide member. The system includes a substantially non-conductiv... | 07/07/1998 |
| 5707636 | Apparatus and method for preparing solid forms with controlled release of the active ingredient Controlled release solid forms, apparatus and method for preparing solid forms for controlled release of an active ingredient.... | 01/13/1998 |
| 5690995 | Spray booth for powder coating A spray booth for use in the spray coating of articles with coating powder. The spray booth forms a coating space which at a bottom is bounded by powder collection means. The powder collection means is divided into an inner collection means and a surround... | 11/25/1997 |
| 5629051 | Method and apparatus for forming an insulator on a uniaxial tension focus mask of a color selection electrode A method and apparatus for forming an insulator 62 on one major surface of a uniaxial tension focus mask 25 includes the steps of: positioning a mask sheet 27, having a multiplicity of openings 42 that extend from a first major surface of the mask sheet t... | 05/13/1997 |
| 5476689 | Method for electrostatic powder coating of fasteners magnetically suspended from a conveyor A continuous, automated method and apparatus for transporting and electrostatically powder coating articles such as fasteners. Articles in an unoriented state are oriented one behind another, transferred in succession to and magnetically retained on a fac... | 12/19/1995 |
| 5326599 | Cabin purge system for automotive powder coating A method and apparatus for powder spraying a automotive or other vehicle body in a powder spray booth includes a cabin purge zone in which a pair of inlet hood assemblies are positioned to the side window openings on each side of the body and the cavity i... | 07/05/1994 |
| 5238709 | Electrostatic spray coating method A method and apparatus are provided for electrostatically applying a coating, such as solder mask, to a substrate such as a circuit board. A grounded conveyor system includes electrically conductive means for suspending the substrate from the conveyor and... | 08/24/1993 |
| 5173326 | Method and apparatus for electrostatic coating of workpieces with powdered material A method and an apparatus for electrostatic coating of workpieces with powdered material includes a plurality of successively arranged spray guns which are passed by the workpieces. At least the spray gun which is passed first by the workpieces is charged... | 12/22/1992 |
| 5162132 | Collapsible, interchangeable spray booth apparatus and method A collapsible spray housing and method of using the housing in electrostatic powder spray operations. The housing is collapsible so that it can be folded and inserted into a conventional cartridge filter type powder recovery system. Separate collapsible h... | 11/10/1992 |
| 5061510 | Process for reducing environmental influences on the powder coating of a workpiece, and powder coating facility In a powder coating facility wherein powder entrained with conditioned air sprayed from a feed conduit (11) to a workpiece, such as a can body (51), and excess powder is returned by suction by means of exhausts (29, 25), a conditioning chamber (21) is arr... | 10/29/1991 |
| 4987001 | Method and apparatus for coating the interior surface of hollow, tubular articles A method and apparatus for spraying a solid particulate powder onto the interior surface of tubular articles by intermittently pumping the powder from a fluidized bed of powder through a powder supply line containing an intermittently operated venturi pum... | 01/22/1991 |
| 4888200 | Process and machine for electrostatic coating A process and apparatus for an electrostatic spray coating operation wherein liquid overspray in the spray coating operation is collected and drained onto a workpiece support. The overspray is then removed from the workpiece support by a squeegee blade wh... | 12/19/1989 |
| 4656051 | Method for electrostatic coating threaded fasteners with a thermoplastic resin A method for electrostatically applying a thermoplastic resin coating on a threaded portion of a fastener to provide a self locking element thereon. A plurality of fasteners are moved by a spaced pair of endless belts passed a spray station where a stream... | 04/07/1987 |
| 4495217 | Method for applying powdered coatings Relatively small parts are powder coated without fixturing by placing the parts on a heat conductive surface and the powders are distributed over the exposed surfaces of the parts. The powders on the surfaces of the parts are heated to fuse the powders, a... | 01/22/1985 |
| 4321281 | Process for electrostatic coating with pulverized material and apparatus used in said process This invention relates to a process for electrostatically coating a substantially axially symmetrical object with pulverized material, characterized by supporting said object maintained at a temperature below the melting point of said pulverized material ... | 03/23/1982 |
| 4230068 | Apparatus used in continuous process for electrostatic coating with pulverized material This invention relates to a continuous process for electrostatically coating a substantially axially symmetrical object with pulverized material, characterized by conveying said object by means of a conveyor-type holding device into an electrostatic coati... | 10/28/1980 |
| 4180844 | Powder spray apparatus and method for coating interior surface of containers A powder spray machine for internally coating containers such as metal cans comprising infeed means, container positioning means, powder coating apparatus, container outfeed means, and powder control means. A rotary mask plate is provided with openings fo... | 12/25/1979 |
