Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7416471 | Recovery device of blasting medium and method therefor The present invention provides a recovery device of a blasting medium for recovering a blasting medium after use, which has been injected to a work and has fallen therefrom, into a solid-gas separating tank by suctioning with a suction blower, wherein the solid-gas ... | 08/26/2008 |
| 7371153 | Glass etching An apparatus for etching a workpiece in which a first abrasive particulate material, for example aluminium oxide, and a second particulate material, for example glass dust, are entrained together in a stream of gas. The apparatus recycles exhaust particulate materia... | 05/13/2008 |
| 7347768 | Apparatus and method to test abrasion resistance of material using airborne particulate An apparatus and method to test the abrasion resistance of materials. In one embodiment, the apparatus comprises a conduit network, a primary air stream generating device to generate a primary air stream in the conduit network, a secondary air stream generating devi... | 03/25/2008 |
| RE40048 | Dust collection system A dust collection system for portable sanding or grinding equipment employs a cyclone separator mounted directly on the tool or machine, with a dust outlet duct at the narrow lower end of the cyclone, and a cartridge air filter mounted on the top of the cyclone. The... | 02/12/2008 |
| 7294042 | Method and apparatus for abrasive recycling and waste separation system The present invention provides a method of handling abrasive solids materials used in an abrasive cutting procedure which jets a high-pressure abrasive slurry through a nozzle (7) onto a work piece over and/or in a catcher tank (8). This handling metho... | 11/13/2007 |
| 7282074 | Auxiliary dust collection system An auxiliary dust collection system can be interposed between a sander or other dust producing tool and a vacuum source, e.g., shop vacuum. This auxiliary system has a cyclonic separator connected by a flexible hose to the tool and by another hose to the vacuum sour... | 10/16/2007 |
| 7267605 | Method and apparatus for abrasive recycling and waste separation system The present invention provides a method of handling abrasive solids materials used in an abrasive cutting procedure which jets a high-pressure abrasive slurry through a nozzle (7) onto a work piece over and/or in a catcher tank (8). This handling metho... | 09/11/2007 |
| 7261619 | Method and apparatus for abrasive recycling and waste separation system The present invention provides a method of handling abrasive solids materials used in an abrasive cutting procedure which jets a high-pressure abrasive slurry through a nozzle (7) onto a work piece over and/or in a catcher tank (8). This handling metho... | 08/28/2007 |
| 7249994 | Abrasive cleaning plant with single-block plastic booth and integrated feeding and filtering device An abrasive cleaning apparatus comprising a single-block plastic blasting booth having a front wall, a rear wall, a top wall, a bottom wall, and side walls, wherein at least a portion of one of the side walls defines an opening closeable by a door, thereby providing... | 07/31/2007 |
| 7243389 | Fluid environment cleaner A swimming pool cleaner is operable through a vibratory movement of its housing through a flow of water past a vibratory element carried within the housing. A friction support is carried by the housing and engages a surface to be cleaned. The friction support has a ... | 07/17/2007 |
| 7232360 | Uninterrupted abrasive fluid supply A substantially uninterrupted flow of a pressurised abrasive slurry is maintained by successively charging each of a plurality of vessels V1, V2 with an abrasive material while discharging an abrasive slurry from another of the vessels at a common outl... | 06/19/2007 |
| 7226343 | Device for abrasive-blasting of workpieces A device for abrasive-blasting of workpieces including a chamber (which is to be evacuated during operation) having a first opening, a nozzle pipe unit with a nozzle pipe which can be inserted through the first opening into the chamber, and a container for the accom... | 06/05/2007 |
| 7220165 | Blasting materials and method of blasting It is an object of the present invention to provide a blasting method and a shot material, which are very practical both in the cost and the treatment performance. (a) A shot material containing a styrene ion-exchange resin or a waste material caused therefro... | 05/22/2007 |
| 7182671 | Blasting apparatus and blasting method The present invention provides a lasting apparatus which is provided with an ejection device, which ejects blast media, and a recovery device, which sucks and recovers ejected and used blast media, on a traveling carriage, ejects the blast media to a surface to be t... | 02/27/2007 |
| 7178212 | Device and method for the blasting treatment of channel inner walls Device for carrying out a blasting treatment of the inner wall of a channel with a stream of balls which, for treating curved channels, has a tube for introducing the stream of balls into a channel, a stream deflection and outlet device at the end of the tube on the... | 02/20/2007 |
| 7179062 | Integrated shop vacuum and air compressor system An integrated, yet divisible shop vacuum and air compressor system is provided with a blower, a wet and dry vacuuming section and a compressor section, each of which is mounted on a easy to relocate trolley. The vacuum system has a separate motor from the compressor... | 02/20/2007 |
| 7147545 | Method and apparatus for abrasive recycling and waste separation system The present invention provides a method of handling abrasive solids materials used in an abrasive cutting procedure which jets a high-pressure abrasive slurry through a nozzle (7) onto a work piece over and/or in a catcher tank (8). This handling metho... | 12/12/2006 |
| 7125317 | Multi-port sandblasting manifold and method A method and apparatus is provided to simplify sandblasting processes while increasing applied coverage areas in sandblasting operations. The method and apparatus provide a manifold assembly having a plurality of nozzles and that is rigidly attached to an air supply... | 10/24/2006 |
| 7118609 | Motorized tool with suction and dust collection capacity The present invention refers to a motorized tool with suction and dust collection capacity. The tool comprises: means for extracting dust suitable for producing a flow of air; means for collecting dust having a first duct for the entrance of the air, that can be con... | 10/10/2006 |
| 7118463 | Sand blasting machine A sand blasting machine consists of a working chest and an air compressor that are coupled together. The working chest includes a casing, a upper lid, a nozzle holding dock, a nozzle, an air discharge filter device, an actuation switch, a left glove operation means ... | 10/10/2006 |
| 7118468 | Floor sanding vacuum A floor sanding vacuum is designed to be used in conjunction with floor sanding machines to provide a near dust free process for sanding floors. A displacement blower is driven by a gasoline or electric motor which creates a high vacuum that draws air through the sa... | 10/10/2006 |
| 7070489 | Granule dishwashing apparatus and method of use A granule dishwashing apparatus with at least one removable granule collector and method of use. The dishwashing apparatus may include a treatment chamber, a tank, one or more granule collectors and one or more pumping devices. Soiled articles are placed in the trea... | 07/04/2006 |
| 7070487 | Washing device A washing device includes a case body; a table installed into the case body for supporting a workpiece which is to be cleaned; an solid cleaning substance feeding device having an impeller, capable of projecting an solid cleaning substance and a cleaning liquid to t... | 07/04/2006 |
| 7052362 | Blendable blasting media and method of reusing and discharging same An apparatus and method for applying a blasting media, comprised of at least first and second separate types of particles, to a surface to be treated. Each type of particle may comprise a core coated with a desired component, e.g. abrasive, absorptive, polishing, et... | 05/30/2006 |
| 7044831 | Multi-port sandblasting manifold and method A method and apparatus is provided to simplify sandblasting processes while increasing applied coverage areas in sandblasting operations. The method and apparatus provide a manifold assembly having a plurality of nozzles and that is rigidly attached to an air supply... | 05/16/2006 |
| 7008304 | Abrasive and dust separator Provided is a centrifuge media separator for separating blast particulate from fine particulate carried by air flowing from a blast cabinet and through the media separator. The centrifuge media separator comprises an upper panel, a lower panel, and an outer wall. Th... | 03/07/2006 |
| 7004824 | Method and apparatus for detecting and dispersing agglomerates in CMP slurry A method and apparatus of in situ monitoring and dispersing unwanted particles in slurry used during CMP polishing. The method includes providing a slurry path, applying to the slurry path a microcavitation field of a first level to detect particles of a predetermin... | 02/28/2006 |
| 6969303 | Method and composition for removing coatings which contain hazardous elements A method for removing a coating on a surface by applying a treatment composition layer to the coating to be removed. The treatment composition layer is made up of (Is) a first material selected from the compounds of sodium and potassium silicates, sodium and potassi... | 11/29/2005 |
| 6951375 | Large area marking device and method for printing A method and apparatus for printing an image on a large surface area or walkway provides for imagewise marking of the surface with a color marking solution, to form a visible image on the surface during an image recording mode of a marking engine. The marking engine... | 10/04/2005 |
| 6939205 | Device for processing component part contours A device for processing, particularly deburring, rounding and/or hardening component part contours, is provided, including a compressed air channel for supplying compressed air, an abrasive channel for supplying abrasive material and an ejector nozzle for ejecting t... | 09/06/2005 |
| 6929537 | Slurry recycling method A slurry recycling method comprising the steps of: separating a spent slurry containing silicon dust resulting from slicing of a silicon ingot in the presence of a slurry composed of abrasive grains and a dispersion medium in which the abrasive grains are dispersed,... | 08/16/2005 |
| 6928930 | Device for cleaning printing cylinders A complete cleaning system for printing cylinders within a rotary printing press, by which a reactive erasing of ink-bearing layers, including the removal of filling materials from a gravure printing form, and a cleaning of ink from all form and transfer cylinders a... | 08/16/2005 |
| 6913524 | Suction device provided with negative pressure regulating mechanism The invention comprises a suction housing connected to a negative pressure forming means to suck in fluids, a suction opening member mounted on the suction housing, a part of which is caused to contact the surface of an object, and which defines a pressure-reduced a... | 07/05/2005 |
| 6913689 | Methods and apparatus for removing sediment from a liquid using pulses of pressurized air Methods and apparatus for removing sediment from a liquid are provided. Pulses of pressurized air are directed into a conduit having an inlet disposed within a first liquid-containing vessel adjacent to (or within) the sediment to cause a slurry of liquid and sedime... | 07/05/2005 |
| 6908372 | Hole cutting tool and method A tool and a method for cutting holes in a container wall such as in a tank, a cistern, a pipeline, a vehicle, a ship, a production like or the like that contains inflammable, explosive, or other hazardous gasses, and liquids. The tool includes means for pressurisin... | 06/21/2005 |
| 6878046 | Cleaning apparatus An apparatus for cleaning using blast cleaning media including a cabinet, an evacuation device in communication with the cabinet, and a delivery unit containing cleaning media in communication with the cabinet. The delivery unit includes a safety device for relievin... | 04/12/2005 |
| 6875083 | Abrasive media containment bag An abrasive media containment bag (11) having a bag portion (13), a nozzle fitting (15), a blast fitting (17), and a filter member (19) is disclosed. The abrasive media containment bag (11) allows the surface of an aircraft ... | 04/05/2005 |
| 6848979 | Concrete blasting device with clear wand, stiff brush, recovery cylinder, and recirculating cylinder Blasting device includes a blasting medium supply unit and a blasting gun. An extension is provided on the blasting gun, which extension may include a sufficiently clear portion so that the user of the blasting gun may view the surface which is being blasted. ... | 02/01/2005 |
| 6833016 | Dust collection system A dust collection system for portable sanding or grinding equipment employs a cyclone separator mounted directly on the tool or machine, with a dust outlet duct at the narrow lower end of the cyclone, and a cartridge air filter mounted on the top of the cyclone. The... | 12/21/2004 |
| 6817930 | Quickly and safely maintained sand-filtering device A sand-filtering device for filtering sands produced by a sandblast machine that includes a housing, a supporting plate, at least one filtering sleeve, a division module and an air pump. The housing is connected to the sandblast machine to receive the sands. The sup... | 11/16/2004 |
