The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 8096263 | Nanoparticles, conductive ink and circuit line forming device A circuit line forming device, including an inkjet head to eject a conductive ink onto one side of a substrate, the conductive ink containing nanoparticles including a ferromagnetic core and a conductive layer surrounding the ferromagnetic core; and a magnetic field... | 01/17/2012 |
| 8074598 | Fluid management system and method for fluid dispensing and coating A system and method are provided including a coating method and apparatus using a dielectrophoretic fluid movement system to coat with a non-conducting fluid along a surface that includes a non-conducting surface to receive the non-conducting fluid and a first and s... | 12/13/2011 |
| 7497910 | Dry powder electrostatic deposition method and apparatus A method and apparatus are presented for electrostatic deposition of dry powder to a tablet, capsule, or a specific area of any of a wide range of pharmaceutical substrates. The apparatus includes: a magnetic brush having a rotatable multi-pole magnetic core and a s... | 03/03/2009 |
| 7396413 | Device and method for coating serpentine fluorescent lamps A serpentine tube used in the manufacture of a fluorescent lamp is coated with a reflective or phosphor material. A magnetic material and coating material slurry is placed within one end of a serpentine glass tube. A magnet is placed adjacent the magnetic material a... | 07/08/2008 |
| 7329430 | Method and device for coating pharmaceutical products The present invention relates to a method for coating of a pharmaceutical product. The method comprises the step of producing discrete droplets (7) of controlled size, shape and composition with at least one micro dispenser (1) and distributing droplet... | 02/12/2008 |
| 7329320 | Apparatus for electrifying particle apparatus for scattering particle Disclosed is an apparatus for electrifying spacers and an apparatus for scattering spacers using the same. For the purpose of maintaining a cell gap of a LCD, the spacer is electrified to have a first electrified voltage by a first electrifying pipe having a first c... | 02/12/2008 |
| 7300695 | Alignable diffractive pigment flakes Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particul... | 11/27/2007 |
| 7258900 | Magnetic planarization of pigment flakes A magnetic field is applied to planarize magnetic pigment flakes relative to a surface. Pigment flakes, such as optically variable pigment flakes, are used in a variety of paints, inks, extrusions, powder coatings, and other forms for decorative and security applica... | 08/21/2007 |
| 7258915 | Flake for covert security applications Covert flakes having one or more symbols and/or a selected shape are used in a composition, such as ink or paint, to provide a covert security feature to an object. In some embodiments the composition includes base pigment, and the covert flakes are covert pigment f... | 08/21/2007 |
| 7247206 | Medium application device A device (10) for the direct or indirect application of liquid or pasty application medium (16) to one or both sides of a material web (20), in particular of paper or board, comprises an applicator unit (12) which discharges the applicati... | 07/24/2007 |
| 7241489 | Opaque flake for covert security applications Opaque flakes, such as pigment or bright flake used in paints and inks, have a selected shape and/or other indicia to provide a covert security feature to an object. In some embodiments the composition includes base pigment, and the opaque covert flakes match the vi... | 07/10/2007 |
| 7224528 | Optically variable security devices A security article includes a light transmissive substrate having a first surface and an opposing second surface, with the first surface having an optical interference pattern such as a holographic image pattern or an optical diffraction pattern thereon. A color shi... | 05/29/2007 |
| 7192663 | Magnetic anisotropy of soft-underlayer induced by seedlayer A perpendicular magnetic recording medium having a substrate, a seedlayer on the substrate and a magnetic underlayer on the seedlayer, the magnetic underlayer having an easy axis of magnetization substantially directed in a radial or transverse direction, and a proc... | 03/20/2007 |
| 7186444 | Electrostatic coating device with insulated grounding electrode A powdery layer is formed on a first side of a web (W) which serves as a substrate by applying electrically charged particles on the web while a rotating grounding electrode is located at a second side of the web. ... | 03/06/2007 |
| 7147941 | Perpendicular magnetic recording media, magnetic recording apparatus A perpendicular magnetic recording medium which has been improved to be suitable for high-density magnetic recording and a magnetic recording apparatus using the medium are provided. The magnetic back film of a dual-layer perpendicular recording medium is caused to ... | 12/12/2006 |
| 7084949 | Apparatus for arranging spacers at fixed points, liquid crystal device, method of manufacturing liquid crystal device, and electronic apparatus An apparatus is provided to arrange spacers at fixed points, a liquid crystal device, a method of manufacturing the liquid crystal device, and an electronic apparatus with the liquid crystal device. It is an object to precisely arrange spacers without using a highly... | 08/01/2006 |
| 7047883 | Method and apparatus for orienting magnetic flakes Apparatus and related methods align magnetic flakes in a carrier, such as an ink vehicle or a paint vehicle to create optically variable images in a high-speed, linear printing operation. Images can provide security features on high-value documents, such as bank not... | 05/23/2006 |
| 6948537 | Systems and methods for collecting a particulate substance A collector system for collecting a measurable amount of a particulate substance using an electrostatically charged collector. The collector is brought into proximity with the particulate substance and the electrostatic forces collect a measurable amount of the part... | 09/27/2005 |
| 6929697 | Device for hot dip coating metal strands The invention relates to a device for hot dip coating metal strand (1), particularly strip steel, in which the metal strand (1) can be vertically guided through a reservoir (3), which accommodates the molten coating metal (2), and though ... | 08/16/2005 |
| 6926974 | Perpendicular magnetic recording medium and magnetic storage apparatus An improved perpendicular magnetic recording medium and an improved magnetic storage apparatus are provided, which are suitable for high speed and high density magnetic recording. A magnetic under layer of a two-layered perpendicular magnetic recording medium includ... | 08/09/2005 |
| 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 |
| 6902807 | Alignable diffractive pigment flakes Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particul... | 06/07/2005 |
| 6713134 | Apparatus for spin-coating semiconductor substrate and method of doing the same There is provided an apparatus for spin-coating a semiconductor substrate, including (a) a rotary table rotatable in opposite directions, (b) a nozzle dropping coating material onto a semiconductor substrate lying on the rotary table, (c) an electrode having a ring-... | 03/30/2004 |
| 6630027 | Device for delivering charged powder for deposition Provided, among other things, is a re-circulating particle feed apparatus comprising: a circular conduit of dimensions suitable for circulating gas with suspended particles; a deposition station comprising an opening onto the conduit, into which opening a... | 10/07/2003 |
| 6569249 | Process for forming layers on substrates The present invention is generally directed to various processes and systems for forming layers and coatings on substrates, such as semiconductor wafers and solar cells. In one embodiment, the process of the present invention is directed to forming a laye... | 05/27/2003 |
| 6562138 | Electrode holder for a powder spray gun A spray coating device for coating powder, comprising an electrode support (24) fitted with an electrically insulating tubular segment (26) running at least 1.5 cm from an electric contactor (34) into a powder duct (8).... | 05/13/2003 |
| 6555180 | System and method for direct fabrication of micro/macro scale objects in a vacuum using electromagnetic steering A system and method for directing metal or ceramic particles toward a substrate (18) in a vacuum chamber includes a powder hopper (11), an enclosure (12) containing multiple differentially pumped vacuum chambers (19), a charging lamp (13), a tube (14), mu... | 04/29/2003 |
| 6447855 | Device and method for dusting smooth or sheet-like products The present invention relates to a device and method for dusting smooth or sheet-like products, comprising at least one duster for spraying an air/powder mixture on said products. In order to ensure efficient dusting with no dirt accumulation in the print... | 09/10/2002 |
| 6376028 | Device and method for treating the inside surface of a plastic container with a narrow opening in a plasma enhanced process The described device is introduced into a plastic container with a narrow opening and serves a plasma enhanced process for treating the inside surface of the container. The device (2) extends between the container opening and the container bottom along th... | 04/23/2002 |
| 6368409 | Electrostatic dispensing apparatus and method An electrostatic dispensing system for dispensing flowable liquid material onto a moving substrate. The electrostatic dispensing system includes multiple liquid dispensers that are aligned along a common axis and supported in spaced, non-contacting relati... | 04/09/2002 |
| 6352589 | Apparatus for spin-coating semiconductor substrate and method of doing the same There is provided an apparatus for spin-coating a semiconductor substrate, including (a) a rotary table rotatable in opposite directions, (b) a nozzle dropping coating material onto a semiconductor substrate lying on the rotary table, (c) an electrode hav... | 03/05/2002 |
| 6279502 | Resist developing method by magnetic field controlling, resist developing apparatus and method of fabricating semiconductor device A semiconductor device is fabricated by the steps of coating an underlayer formed on a semiconductor substrate with chemically amplified resist, exposing the resist to light, bringing the resist into contact with an alkaline developing solution with apply... | 08/28/2001 |
| 6264757 | Separating contaminants from continuous from surface cleansing solution during continuous strip steel processing Cold-reduced flat-rolled low carbon steel strip is surface cleansed of iron fines, iron oxide particulate and associated debris which result from cold-reduction operations. Such ferromagnetic contaminants are permanently separated from the strip steel pro... | 07/24/2001 |
| 6237525 | Apparatus for coating a paper or board web A method and apparatus 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 ... | 05/29/2001 |
| 6216631 | Robotic manipulation system utilizing patterned granular motion A system (100, 100', 100") and method for robotic manipulation of objects (130) is provided wherein particulates (110, 110') are agitated by the transfer of energy thereto to establish patterned granular motion of the particulates (110, 110'). The pattern... | 04/17/2001 |
| 6197114 | Power feeding apparatus having an adjustable feed width A method and system are provided for adjusting a discharge width of a powder feeder. The system includes a supply hopper that is spaced from the powder feeder. The powder feeder includes a receiving opening and a discharge opening and at least one adjusta... | 03/06/2001 |
| 6159293 | Magnetic containment of hot dip coating bath A hot dip coating system comprises a bath of molten coating metal contained in a vessel having a strip passage opening located below the top surface of the bath. A metal strip is directed along a path extending through the strip passage opening and throug... | 12/12/2000 |
| 6146567 | Three dimensional printing methods A system for producing three dimensional components by bonding together successive layers of a porous material with droplets of a binder material. A binder printhead has an array of nozzles which controllably supply jets of binder material droplets to the... | 11/14/2000 |
| 6143124 | Apparatus and method for generating a plasma from an electromagnetic field having a lissajous pattern An apparatus for forming an electromagnetic field in a processing chamber, including a first pair of electrodes for generating a first electromagnetic field within the processing chamber and a second pair of electrodes for generating a second electromagne... | 11/07/2000 |
| 6139831 | Apparatus and method for immobilizing molecules onto a substrate Apparatus and method for immobilizing molecules, particularly biomolecules such as DNA, RNA, proteins, lipids, carbohydrates, or hormones onto a substrate such as glass or silica; patterns of immobilization can be made resulting in addressable, discrete a... | 10/31/2000 |