...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7320715 | Method for drying plant-derived biomass and method for producing biomass fuel Disclosed herein is an economical method for efficiently drying the plant-derived biomass for which there has been no established method for disposal and reuse. This drying method does not impair the value of plant-derived biomass as a fuel. Disclosed also herein is... | 01/22/2008 |
| 7160353 | Process for producing molten iron A method for making molten iron includes the steps of feeding a raw material mixture containing an iron oxide material and a carbonaceous reductant into a heating reduction furnace to reduce iron oxide in the raw material mixture with the carbonaceous reductant into... | 01/09/2007 |
| 7156046 | Plasma CVD apparatus A plasma CVD apparatus in which microwave power is supplied into a reaction chamber provided inside an annular waveguide through an antenna provided on the inner peripheral part of the waveguide to produce a plasma inside the reaction chamber and to form a film by a... | 01/02/2007 |
| 7144547 | Target for cathode discharging arc ion plating and method of manufacturing the same In a target for cathode discharging arc ion plating containing Al and Cr as an essential ingredient according to the invention, the thickness of the Al and Cr compound layer formed between Cr particles and Al contained in a target is 30 μm or less. Alternatively, t... | 12/05/2006 |
| 7140779 | Bearing and screw compressor In a bearing constituted by a plural-layer slide member, the plural-layer slide member comprises a resin layer of polytetrafluoroethylene as a slide member and a backing strip to which the resin layer is bonded. A fitting hole having a depth exceeding the thickness ... | 11/28/2006 |
| 7125515 | Aluminum base alloy containing boron and manufacturing method thereof A aluminum base alloy containing boron and manufacturing method thereof, said alloy exhibiting good mechanical properties (such as high-temperature strength and creep strength) over a long period of time and also having a neutron absorbing capacity owing to boron pr... | 10/24/2006 |
| 7123927 | Wireless data collecting system having transmission possibility determining means A wireless terminal mounted on a traveling apparatus memorizes operation data on the traveling apparatus, determines possibility of transmitting the operation data based on the electric field intensity of beacon, existence of operation data which has not been transm... | 10/17/2006 |
| 7090731 | High strength steel sheet having excellent formability and method for production thereof A high strength steel sheet having (2-1) a base phase structure, the base phase structure being tempered martensite or tempered bainite and accounting for 50% or more in terms of a space factor relative to the whole structure, or the base phase structure comprising ... | 08/15/2006 |
| 7078660 | Apparatus for heating a green tire An apparatus for effectively heating a green tire generates heat to a metal member embedded therein using electromagnetic induction, to complete a heating formation of a green tire in a sufficiently short time. Particularly, in the thick portion of the green tire wh... | 07/18/2006 |
| 7069673 | Hybrid construction equipment power control apparatus Maximum charging power of a battery (63) is set by a battery-charging power setting unit (75), while maximum discharging power of the battery (63) is set by a battery-discharging power setting unit (76). Lower and upper limit of generator... | 07/04/2006 |
| 7063454 | Heat exchange system and rotor having the same A heat exchange system includes a rotor, a hole, a main tube, and branch tubes. The rotor, the outer surface of which is in contact with a kneaded object, has a heat-exchange chamber therein, in which a heat medium flows. The hole having a diameter less than that of... | 06/20/2006 |
| 7037387 | Steel wire excellent in descalability in mechanical descaling and method for production thereof The present invention provides a steel wire rod excellent in scale peelability for mechanical descaling, and a manufacturing method thereof. The steel wire rod in accordance with the present invention has: a base metal portion formed of a steel containing C i... | 05/02/2006 |
| 7036758 | Cone crusher A crushing chamber is formed between a concave liner and a mantle liner. The concave liner has a first area surface having a length of T to √2T; a second and a third area surface; which surfaces are gradually inclined from the side of the inlet for the crushing ch... | 05/02/2006 |
| 7029560 | Rod target for arc evaporation source, manufacturing method therefor, and arc deposition device In the rod target for an arc evaporation source, of which the outer peripheral surface is used as an evaporation surface, the opposite ends thereof in the longitudinal direction thereof are each formed thicker than the central part thereof. The length of the thicker... | 04/18/2006 |
| 7022384 | Reflective film, reflection type liquid crystal display, and sputtering target for forming the reflective film A reflective film used as a reflective electrode or a reflector, comprising an Ag-based alloy containing rare earth metals. The reflective film has high reflectivity and high durability. ... | 04/04/2006 |
| 7008488 | High-strength steel sheet having excellent workability and production process therefor A high-strength steel sheet comprises carbon: 0.06 to 0.25 mass %, Si: 0.5 to 3.5 mass % and Mn: 0.7 to 4 mass %. Its mother structure is ferrite, its second phase structure comprises martensite and the residual austenite and the second phase structure measured by i... | 03/07/2006 |
| 6936089 | Molten aluminum alloy processing method and flux for molten aluminum alloy processing A molten aluminum alloy processing method is intended use sludge produced by the zinc phosphate treatment of structures including those of aluminum alloys effectively as a flux for molten aluminum alloy processing. The flux contains 3 to 30% by mass fluorine-equival... | 08/30/2005 |
| 6915244 | Method for predicting an amount of dimensional accuracy defect at the time of press-forming metal sheet A method in which engineers having no experience and technical storage can preliminarily easily and accurately predict an amount of dimensional accuracy defect which occurs at the time of press-forming a metal sheet before press-forming without having expertise such... | 07/05/2005 |
| 6895032 | High-pressure processing apparatus A high-pressure processing apparatus for supplying a pressure medium into a high-pressure processing chamber 4, which is formed in a pressure vessel 1 to treat a workpiece at a high pressure, is provided. The pressure vessel 1 includes a first v... | 05/17/2005 |
| 6884634 | Specifying method for Cu contamination processes and detecting method for Cu contamination during reclamation of silicon wafers, and reclamation method of silicon wafers A method of specifying a Cu-contamination-causative step or steps in a Si wafer reclamation process including plural steps in combination, comprising: using p-type Si wafers, or p-type Si wafers and n-type Si wafers as monitor wafers, and performing a measuring oper... | 04/26/2005 |
| 6777084 | Injection molding method, and molded product obtained from the method A molded product consisting of a skin layer and a core layer is obtained by injecting a skin layer resin and a core layer resin from a skin injection unit 13 and a core injection unit 12 into metal molds 8, 9, respectively. The skin layer resin ... | 08/17/2004 |
| 6755039 | Screw refrigerating apparatus A screw refrigerating apparatus comprising a refrigerant circulating passage including a screw compressor, a condenser, an expansion valve, and an evaporator is constituted such that a bypass flow passage branching at a part of the refrigerant circulating passage be... | 06/29/2004 |
| 6755620 | Independent rotational speed control of multi-stage variable speed compressor A multi-stage variable speed compressor includes a pressure detector provided for each compressor on and after the second stage for detecting a discharge pressure of a compressor of a stage preceding the corresponding compressor or a suction pressure of the correspo... | 06/29/2004 |
| 6717009 | Method for making high-purity naphthalenedicarboxylic acid A high-purity naphthalenedicarboxylic acid is produced by a method including Steps [1] and [2]: In Step [I], a raw mixture of crude terephthalic acid and crude naphthalenedicarboxylic acid is dissolved into high-temperature high-pressure water to form a dibasic acid... | 04/06/2004 |