Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7964086 | Electrode and method for electrochemically machining a workpiece An electrode and method for the electrochemical machining of a workpiece is disclosed. The electrode is designed as a cathodically polarized tool electrode. It has a geometry that corresponds to the geometry to be removed from the workpiece, at least in a machining ... | 06/21/2011 |
| 7311808 | Device and method for increasing mass transport at liquid-solid diffusion boundary layer A device and method for increasing the mass transport rate of a chemical or electrochemical process at the solid and fluid interface in a fluid cell. The device includes a membrane in close contact with surface of the work piece, to separate the process cell into tw... | 12/25/2007 |
| 7204926 | Tandem blisk electrochemical machining A tandem blisk is mounted in a multiaxis electrochemical machine. A first row of blades is electrochemically machined in sequence. A second row of blades is then electrochemically machined in sequence while the blisk is still mounted in the machine. The machine is i... | 04/17/2007 |
| 7144482 | Method and apparatus for forming grooves within journals and on flat plates An apparatus, method and means is provided for electrochemical machining of hydrodynamic bearing assemblies in spindle motors. In an aspect, a cartridge is provided that receives and accurately positions an electrode in three dimensions in a near frictionless manner... | 12/05/2006 |
| 6994610 | Method and apparatus for polishing inner an internal surface of an aluminum extrusion hollow shape There is provided an electrolytic integrated polishing apparatus which enables high precision polishing of the internal surface of a long sized cylindrical workpiece such as a metallic tube. The apparatus includes a work supporting unit 13 for disposing the c... | 02/07/2006 |
| 6946062 | Electropolish/grinding means for an inner surface of a long tube The present invention is an electropolishing/grinding device for an inner surface of a long tube, including at least one long tube, one electrode, at least two partitions, one fixed magnet mechanism, one driving apparatus and an axial driven mechanism. The fixed mag... | 09/20/2005 |
| 6773576 | Anode assembly for plating and planarizing a conductive layer A particular anode assembly can be used to supply a solution for any of a plating operation, a planarization operation, and a plating and planarization operation to be performed on a semiconductor wafer. The anode assembly includes a rotatable shaft disposed within ... | 08/10/2004 |
| 6680454 | Electromachining with perforated electrodes A perforated electrode has strategically distributed flushing holes through which a flushing medium is discharged. The electrode can be used for either electrochemical machining (ECM) or electrodischarge machining (EDM). The flushing medium is either elec... | 01/20/2004 |
| 6660138 | Electropolishing process means for an inner surface of a long tube The present invention is an electropolishing process and device for electropolishing an inner surface of a long tube, especially applied to a long tube of greater than two meters and a diameter range between 0.3 and 5 cm. Wherein, the present invention co... | 12/09/2003 |
| 6582585 | Method of revealing structure for single-crystal superalloys The method according to the invention comprises a macrographic etching step followed by a "bleaching" step by electrolytic etching by means of a bath containing at least phosphoric acid and a weak acid. This method allows components made of superalloys to... | 06/24/2003 |
| 6514400 | Method for producing a fuel cell separator A method for producing a separator in which a recessed gas path is formed. Depth fluctuations of the gas path can be reduced. The gas path having plural depths or gradation can be formed easily. An electrically conductive member 3, as a separator, and a p... | 02/04/2003 |
| 6355148 | Diaphragm workholding device for ECM A workholder for an ECM process comprises a set of jaws which define an interior workpiece holding region are mounted on the surface of a diaphragm which is movable under air pressure from a flat to a more generally spheroid shape with the injection of pr... | 03/12/2002 |
| 5516401 | Process for electrochemical machining An electrolyte is circulated between the surface to be machined, raised to an anode potential, and a tool electrode (9') raised to a cathode potential. The electrolyte contains lithium nitrate as a unique active product with a concentration of between 20 ... | 05/14/1996 |
| 5284554 | Electrochemical micromachining tool and process for through-mask patterning of thin metallic films supported by non-conducting or poorly conducting surfaces The present invention describes a high speed, high precision electrochemical micromachining tool, chemical solution and method for the one sided through-mask micropatterning of conducting foils and films supported by insulating material. The tool of the p... | 02/08/1994 |
| 4820390 | Apparatus and method for continuous electrochemical machining of strip material In an electrochemical machining system a continuous web metal is moved through a working region around a conductive roller in electrical contact therewith. Part-cylindrical cathodes are disposed coaxially with the roller a slight distance radially therefr... | 04/11/1989 |
| 4772367 | Apparatus for and a method of electrochemically polishing pipe inside surfaces An apparatus and a method serving for electrochemically polishing and/or pickling the inner surfaces (16) of pipes (10) provide for a polishing head (12) to be moved through the pipe. The polishing head (12) comprises a dielectric outer wall which defines... | 09/20/1988 |
| 4752367 | Apparatus and method for electrochemically smoothing or finishing a surface of a conductive metal part An apparatus and method are disclosed for electrochemically finishing or smoothing an irregular anode surface of a conductive metal part while removing a minimum of metal from the anode surface. The smoothing or finishing of irregular surfaces, such as bu... | 06/21/1988 |
| 4522692 | Electrochemical machining a workpiece uniformly using a porous electrode Electrochemical machining of ceramic particulate and metal matrix surfaces, and of other uneven or discontinuous surfaces, is conducted using an electrode which has a porous metal working face. Relatively low electrolyte pressures of the order of 5 kPa an... | 06/11/1985 |
| 4486279 | Apparatus and method for making a laminated core An apparatus and means for removing slivers and burrs from machined laminated components utilizes a salt solution, such as sodium nitrate, as the electrolyte which flows between a cathode and the laminated member which is connected to the positive termina... | 12/04/1984 |
| 4376020 | Method of and apparatus for cutting narrow grooves A method of and apparatus for electrolytically forming relatively narrow grooves which may extend either part way or entirely through a workpiece, in which excessive groove width is avoided by reducing electrical current density between major sides of the... | 03/08/1983 |
| 4202739 | Electrochemical removal of material from metallic work Deburring, polishing, surface forming and the like are carried out by electrochemical machining with conformable electrode means including an electrically conducting and an insulating web. The surface of the work to be processed is covered by a deformable... | 05/13/1980 |
| 4127459 | Method and apparatus for incremental electro-polishing An apparatus and method for using same are disclosed for electro-polishing large flat or slightly curved surfaces on metal objects. The apparatus includes a shallow structure for electro-polishing flat horizontal surfaces, and a thin deep structure for el... | 11/28/1978 |
