Bizarre Patents
Smoking Cessation Lighter and Method
A lighter for tobacco products suppresses the urge to smoke by operant conditioning.
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 |
| 7763120 | Method of production of grain-oriented electrical steel sheet The present invention provides a method of production of grain-oriented electrical steel sheet greatly reducing the Watt loss of the grain-oriented electrical steel sheet and making the magnetostriction as small as possible, that is, a method of production of grain-... | 07/27/2010 |
| 7442260 | Grain-oriented electrical steel sheet superior in electrical characteristics and method of production of same The present invention provides a grain-oriented electrical steel sheet with an extremely low core loss by scanning by a small focused laser beam spot and a method of production of the same, that is, a grain-oriented electrical steel sheet improved in electrical char... | 10/28/2008 |
| 7377986 | Method for production of non-oriented electrical steel strip The present invention relates to a method for producing a non-oriented electrical steel with improved magnetic properties and improved resistance to ridging, brittleness, nozzle clogging and magnetic aging. The chromium bearing steel is produced from a steel melt wh... | 05/27/2008 |
| 7282102 | Method for manufacturing high silicon grain-oriented electrical steel sheet with superior core loss property A method for manufacturing a high silicon grain-oriented electrical steel sheet. In a method for manufacturing a high silicon grain-oriented electrical steel sheet, comprising the steps of: reheating and hot-rolling a steel slab to produce a hot-rolled steel sheet; ... | 10/16/2007 |
| 7190101 | Stator coil arrangement for an axial airgap electric device including low-loss materials A dynamoelectric, rotating electric machine includes a stator assembly that includes stacked stator coil windings. The machine is preferably a polyphase, axial airgap device. Improved slot filling results from the stacked stator coil configuration. Device performanc... | 03/13/2007 |
| RE39482 | Method of making grain-oriented magnetic steel sheet having low iron loss Grain-oriented magnetic steel sheet made by the method-including hot rolling and final finish annealing, wherein (1) the O content in the steel slab is limited to up to about 30 ppm; (2) for the entire steel sheet ... | 02/06/2007 |
| 7150092 | Method for manufacturing spin valve A method of manufacturing a spin-valve thin-film magnetic element is provided. The spin-valve thin-film magnetic element includes a free magnetic layer and laminates of pinned magnetic layers and antiferromagnetic layers formed on two surfaces of the free magnetic l... | 12/19/2006 |
| 7105975 | Efficient axial airgap electric machine having a frontiron A rotating, dynamoelectric machine, such as an electric motor, a generator, or a regenerative motor, comprises a stator assembly that includes a backiron section, a plurality of stator tooth sections, and a frontiron. The dynamoelectric machine has an axial airgap-t... | 09/12/2006 |
| 7096075 | Apparatus, method and program for physical state controller For determination as to whether there is a possibility that temperature control satisfying conditions according to an upper limit LH_i and a lower limit LL_i of the annealing control temperatures of annealing object steel sections i will be realized under restrictio... | 08/22/2006 |
| 7045025 | Grain-oriented electrical steel sheet excellent in magnetic properties and method for producing the same A low core loss grain-oriented electrical steel sheet that does not have a significant deterioration in a magnetic flux density and a decrease of a space factor, and which may withstand stress-relieving annealing is provided. Melted and re-solidified layers can be f... | 05/16/2006 |
| 7034427 | Selective alignment of stators in axial airgap electric devices comprising low-loss materials An axial gap dynamoelectric machine comprises first and second stators disposed coaxially with an intermediate rotor. The stators are selectively aligned with an axial offset between the positions of their respective teeth and slots. The stators comprise toroidal co... | 04/25/2006 |
| 6964711 | Process for the production of grain oriented electrical steel strips A process for the production of grain oriented electrical Fe-Si strips in which a Si-containing alloy is directly cast as a strip between 2.5–5.0 mm thick and cold rolled in one stage, or in more stages with intermediate annealing, to a final thickness of between ... | 11/15/2005 |
| 6936792 | Furnace cart and load transfer system for high temperature vacuum furnaces and process therefor Furnace cart assembly for loading high temperature vacuum furnaces for treating target material, for example, metal parts, under extreme temperature and vacuum environments. The furnace cart includes electrical heating elements as an integral part of the cart, which... | 08/30/2005 |
| 6929757 | Oxidation-resistant magnetorheological fluid A magnetorheological fluid containing magnetorheological particles which are resistant to oxidation having regions rich in diffused nitrogen located therein and a method for producing such magnetorheological fluid. ... | 08/16/2005 |
| 6925352 | Method and system for prediction of precipitation kinetics in precipitation-hardenable aluminum alloys Disclosed are a method and a system for predicting precipitation kinetics in precipitation-hardenable alloys, such as the 7000 series aluminum alloys, and for optimizing conditions for thermal treatment thereof. The method includes the steps of measuring a real-time... | 08/02/2005 |
| 6864793 | Magnetic marker and manufacturing method therefor A magnetic marker comprises a magnetically switchable wire and a magnetic casing that covers the magnetically switchable wire. The magnetically switchable wire is formed of a magnetic material that undergoes occurrence of sharp magnetic inversion when an alternating... | 03/08/2005 |
| 6858095 | Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties A grain-oriented electrical steel sheet comprising 2.5-4.5% Si by weight and measuring 0.36-1.00 mm in thickness is imparted with a good core loss value for its thickness by controlling its C content, flux density, grain boundary configuration, and deviation degree ... | 02/22/2005 |
| 6773514 | Method for producing non-grain oriented electric sheet steel The present invention relates to a method for producing non grain-oriented magnetic steel sheets in which hot strip is produced from an input stock such as cast slabs, strip, roughed strip, or thin slabs, made of steel comprising (in weight %) C: 0.001-0.05%; Si: â‰... | 08/10/2004 |
| 6767412 | Method for producing non-grain-oriented magnetic steel sheet The invention relates to a method for producing non-grain-oriented hot-rolled magnetic steel sheet in which from a raw material such as cast slabs, strip, roughed strip or thin slabs produced from a steel comprising (in weight %) C: 0.0001-0.05%; Si: ≦1.5%; Al: â‰... | 07/27/2004 |
| 6739384 | Method of continuously casting electrical steel strip with controlled spray cooling A method for continuously casting grain oriented electrical steel is disclosed. This method utilizes a controlled rapid cooling step, such as one using a water spray, to control the grain orientation in the finished product. The product formed not only has the appro... | 05/25/2004 |
| 6708388 | Method of making a permanent magnet field-type compact DC motor A permanent magnet field-type compact DC motor having a high output and a low cogging torque is made by fixing a pair of rare earth magnets mainly composed of rare earth-iron-based rapidly quenched and solidified flakes to a soft magnetic frame so as to extend along... | 03/23/2004 |
| 6666929 | Process for the improvement of the magnetic characteristics in grain oriented electrical silicon steel sheets by laser treatment It has been found out that in the laser treatment for the control of the magnetic domain sizes in grain oriented electrical silicon steel sheets, by optimizing some essential parameters of the treatment such as specific radiation energy, the distance amon... | 12/23/2003 |
| 6612154 | Systems and methods for monitoring or controlling the ratio of hydrogen to water vapor in metal heat treating atmospheres Systems and methods for monitoring a heat treating atmosphere derive from at least one sensor placed in situ in the atmosphere a process variable, which is indicative of the ratio of gaseous hydrogen H2 (g) to water vapor H2 O(g) in ... | 09/02/2003 |
| 6562473 | Electrical steel sheet suitable for compact iron core and manufacturing method therefor Electrical steel sheets having superior magnetic properties, anti-noise properties, and workability, are ideal for use a compact iron core material in electric apparatuses, such as compact transformers, motors, and electric generators. A totally new elect... | 05/13/2003 |
| 6478892 | Low iron loss non-oriented electrical steel sheet excellent in workability and method for producing the same The present invention provides a non-oriented electrical steel sheet having crystal grains of small diameter and excellent workability before stress relief annealing and having crystal grains of largely grown diameter and excellent iron loss property afte... | 11/12/2002 |
| 6471787 | Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics A process for the production of oriented-grain electrical steel sheet with high magnetic characteristics, and more precisely a process in which the slab obtained from continuous casting is continuously nitrided by a reaction between aluminium and nitrogen... | 10/29/2002 |
| 6406557 | Process for the treatment of grain oriented silicon steel During the treatment of electrical steel, a careful combination of heat treatment of the slab with a specific primary recrystallization and nitriding treatment allows for control of the distribution, quantity and dimensions of precipitates in order to obt... | 06/18/2002 |
| 6364962 | Electromagnetic steel sheet having excellent high-frequency magnetic properties and method Electromagnetic steel sheets which contain Cr in an amount of from about 1.5 to 20% by weight and Si in an amount of from about 2.5 to 10% by weight, while having a total amount of C and N of not larger than about 100 ppm by weight, and which has a specif... | 04/02/2002 |
| 6309473 | Method of making grain-oriented magnetic steel sheet having low iron loss Grain-oriented magnetic steel sheet made by the method-including hot rolling and final finish annealing, wherein (1) the O content in the steel slab is limited to up to about 30 ppm; (2) for the entire steel sheet having final thickness including an oxide film... | 10/30/2001 |
| 6296719 | Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs In the production of high permeability electrical steel, the control of condition of thin slab continuous casting allows to obtain advantageous solidification structures and precipitates. This, in turn, allows to decritize the process for controlling the ... | 10/02/2001 |
| 6284388 | Steel with electrically insulating hematite layer The present invention is directed to a method of forming an electrically insulating layer on a steel article such as a stack of electrical steel laminations or an individual, unstacked electrical steel lamination, comprising exposing the article to an oxi... | 09/04/2001 |
| 6284068 | Metal processing utilizing electric potential When an electrical potential is applied to a metal or a metallic solution or a metal that is close to the melting point or a metal that is molten the electric charges are either drawn off and the metal has a high positive potential or a surfeit of electri... | 09/04/2001 |
| 6273964 | Process for the production of grain oriented electrical steel strip starting from thin slabs In the production of grain oriented electrical steel sheet, controlling the condition of thin slab continuous casting results in advantageous solidification structures and precipitates. The steel has an initial content of carbon less than 300 ppm and an i... | 08/14/2001 |
| 6228182 | Method and low iron loss grain-oriented electromagnetic steel sheet A method and a low iron loss grain-oriented electromagnetic steel sheet are disclosed. The method comprises the steps of: hot-rolling a grain-oriented electromagnetic steel sheet; cold-rolling the hot-rolled steel sheet once or twice intervened by interme... | 05/08/2001 |
| 6221501 | Steel with electrically insulating hematite layer The present invention is directed to a method of forming an electrically insulating layer on a steel article such as a stack of electrical steel laminations or an individual, unstacked electrical steel lamination, comprising exposing the article to an oxi... | 04/24/2001 |
| 6217673 | Process of making electrical steels Batch annealed, semi-processed and fully processed motor lamination steels are made by processes which subject a slab having a particular ultra low carbon composition (less than 0.01%) to steps which include hot rolling a slab into a strip and coiling the... | 04/17/2001 |
| 6159305 | High speed induction motor rotor and method of fabrication An induction motor rotor comprises a rotor shaft (12), a rotor core (14), which may be solid (114) or may include a plurality of rotor laminations (13), having rotor bar slots (15), a plurality of rotor bars (16) extending through the rotor bar slots, and... | 12/12/2000 |
| 6159309 | Grain-oriented electrical steel sheet and method for producing same The present invention provides a grain-oriented electrical steel sheet having magnetic properties equal to, or higher than, those of conventional steel sheets can be produced economically with high productivity, and a method for producing such a steel she... | 12/12/2000 |
| 6153019 | Process for producing a grain-orientated electrical steel sheet A process for producing a grain-oriented magnetic steel sheet in which a slab, made from a steel containing (in mass %) more than 0.005 to 0.10% C, 2.5 to 4.5% Si, 0.03 to 0.15% Mn, more than 0.01 to 0.05% S, 0.01 to 0.035% Al, 0.0045 to 0.012% N, 0.02 to... | 11/28/2000 |
| 6129992 | High-strength cold rolled steel sheet and high-strength plated steel sheet possessing improved geomagnetic shielding properties and process for producing the same Provided are a high strength cold rolled steel sheet and a high strength plated steel sheet possessing improved geomagnetic shielding properties, that is, having a high relative permeability in a d.c. magnetic field around 0.3 Oe, a process for producing ... | 10/10/2000 |
