...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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 |
| 7331097 | Method of manufacturing a workpiece chuck A workpiece chuck includes an upper assembly on which can be mounted a flat workpiece such as a semiconductor wafer. A lower assembly is mountable to a base that supports the chuck. A non-constraining attachment means such as vacuum, springs or resilient washers app... | 02/19/2008 |
| 7208065 | Structure for measuring the etching speed The specification discloses a structure and method for measuring the etching speed. A test layer is connected with several resistors. Etching the metal layer disconnects in order the resistors from the circuit. The equivalent resistance of the sensing resistor syste... | 04/24/2007 |
| 7192624 | Method for obtaining thermal diffusion coating Continuously operating furnace and method for obtaining thermal diffusion coating on the outside surface of metallic articles. The furnace is configured as a tunnel through which in succession are advanced closed containers filled with the processed articles and wit... | 03/20/2007 |
| 7112453 | Retentate chromatography and protein chip arrays with applications in biology and medicine This invention provides methods of retentate chromatography for resolving analytes in a sample. The methods involve adsorbing the analytes to a substrate under a plurality of different selectivity conditions, and detecting the analytes retained on the substrate by d... | 09/26/2006 |
| 6849132 | CVD codeposition of A1 and one or more reactive (gettering) elements to form protective aluminide coating CVD aluminide coatings including a small concentration of a reactive, gettering element for surface active impurities dispersed therein are formed for improved oxidation resistance. The aluminide coatings are formed by CVD codeposition of Al and the gettering elemen... | 02/01/2005 |
| 6733826 | Method and apparatus for coating electroluminescent phosphors A process for preparing particles of zinc sulfide-based electroluminescent phosphor having a moisture resistant coating thereon which comprises the steps of selecting a reaction vessel having a given height and a porous disc at the bottom thereof; charging the react... | 05/11/2004 |
| 6454912 | Method and apparatus for the fabrication of ferroelectric films The present invention is related to methods and apparatus for processing weak ferroelectric films on semiconductor substrates, including relatively large substrates, e.g., with 300 millimeter diameter. A ferroelectric film of zinc oxide (ZnO) doped with l... | 09/24/2002 |
| 6413317 | Substrate processing method and substrate processing apparatus Processing of applying ultraviolet rays to a front face of an insulating film material formed on a wafer W is performed, whereby a contact angle of the front face thereof becomes smaller. Accordingly, when an insulating film material is applied on the afo... | 07/02/2002 |
| 6296705 | Masking fixture and method A fixture for selectively masking a turbine blade 60 includes a locator 10 with a separable receptacle 40 having portals 50. Guide bars 18 extend from the locator for guiding a pair of shield carriers 20 between deployed and retracted positions. Each shie... | 10/02/2001 |
| 6258172 | Method and apparatus for boronizing a metal workpiece A method and apparatus for boronizing a metal workpiece which includes the step of providing a container having a least one workpiece receiving chamber and at least one heating chamber adapted to heat the workpiece receiving chamber. The metal workpiece t... | 07/10/2001 |
| 5620521 | Method for surface treatment A method for surface treatment in which a fluidizable powder mixture consisting of a powder of a refractory material, and a surface layer-forming powder of a metal, or alloy or both is fluidized by a fluidizing gas supplied through a gas distributor to fo... | 04/15/1997 |
| 5215785 | Method for the powder pack coating of hollow bodies A method for the powder pack coating of hollow structural components is performed with spherical powder particles of a donor metal in which the hollow component is embedded. During the embedding, the component is subjected to a tumbling motion about sever... | 06/01/1993 |
| 5208070 | Method of aluminum plating an article A crucible used in a powder pack plating process has an aperture below the upper surface of the powder pack to allow a density driven flow of the plating gas generated by the powder pack to move through the powder pack.... | 05/04/1993 |
| 4993359 | Apparatus for and method of chromizing articles An apparatus (10) and a method for applying a chromized coating (46,60,62,66) to one or more of the surfaces of an article (44,56,58,64) particularly in those situations in which the article (44,56,58,64) is intended to be employed in an application where... | 02/19/1991 |
| 4963395 | Method of chromizing large size articles A chromium coating process for coating large size articles such as boiler tubes and boiler tube assemblies, comprises the steps of: (a) mounting on a stationary foundation a retort having a removable cover; (b) covering the articles to be coated in the re... | 10/16/1990 |
| 4844949 | Method of surface treatment and apparatus used therefor A method of forming a surface layer of carbide, nitride, carbonitride, or solid-solution on the surface of a material to be treated, which comprises disposing in a fluidized bed furnace a treating agent comprising a powder of a refractory material, and a ... | 07/04/1989 |
| 4786526 | Surface treating method and apparatus A method and apparatus for forming a layer of a carbide or nitride of, for example, titanium or vanadium on the surface of material to be treated in a fluidized bed furnace. A refractory powder for forming a fluidized bed, a vessel or vessels filed with p... | 11/22/1988 |
| 4699082 | Apparatus for chemical vapor deposition An apparatus for the chemical vapor deposition on substrates of coatings comprising compounds of a titanium sub-group of metals, the vanadium sub-group of metals and the chromium sub-group of metals at temperatures in the range of 250° to 850° C. is dis... | 10/13/1987 |
| 4569862 | Method of forming a nitride layer A method of forming a layer of a nitride or carbonitride of titanium, vanadium or the like on the surface of an article to be treated includes: disposing a treating material composed of refractory powder, powder of a metal or alloy of a nitride forming el... | 02/11/1986 |
| 4348980 | Apparatus for the boronizing of pieces made of metal or cermet and surface-bornished pieces The invention relates to a process and apparatus for boronizing pieces made of metal or cermet and to surface-boronized pieces. The pieces are placed in a chamber at between 850° and 1,150° C. and they are subjected, in the presence of boron carbide, to... | 09/14/1982 |
| 4156042 | Coating articles having fine bores or narrow cavities in a pack-cementation process A process for coating an article such as a turbine blade composed of nickel-base alloy, comprises the steps of surrounding the article by a particulate pack in a chamber, the pack including coating material in elemental or chemically combined form, said c... | 05/22/1979 |
| 4041196 | Diffusion treatment of metal In the pack diffusion coating of chromium into the surface of a superalloy, the formation of undesirable oxide inclusion is reduced when the diffusion coating pack contains at least about 3% Ni3 Al. Also the formation of alpha-chromium is reduc... | 08/09/1977 |