Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7857918 | Method of production of steel product with nanocrystallized surface layer A method of production of a metallic product with a nanocrystallized surface layer comprising subjecting a surface layer of a metallic product to ultrasonic impact treatment by one or more ultrasonic indenters vibrating in a plurality of directions, then subjecting ... | 12/28/2010 |
| 7754033 | Method of improvement of toughness of heat affected zone at welded joint of steel plate A method of improvement of toughness of a heat affected zone in a multi-layer welded joint, a fillet welded joint, and a one-pass or several-pass large heat input welded joint of a steel plate is provided, that is, a method of improvement of toughness of a heat affe... | 07/13/2010 |
| 7524385 | Controlled phase transition of metals A process for electromagnetic (EM) energy-induced solid to liquid phase transitions in metals is disclosed. The method utilizes coherent EM fields to transform solid materials such as silicon and aluminum without significant detectable heat generation. The transform... | 04/28/2009 |
| 7439470 | Method and apparatus for vibrating a substrate during material formation A method and apparatus for affecting the properties of a material include vibrating the material during its formation (i.e., “surface sifting”). The method includes the steps of providing a material formation device and applying a plurality of vibrations to the ... | 10/21/2008 |
| 7431193 | Vibration stress relief of weldments A method of stress relief for stainless steel combustion turbine components includes vibrating the components during welding at a subharmonic frequency. The proper frequency is selected to be below a harmonic frequency, and to produce an amplitude in the range of ¼... | 10/07/2008 |
| 7344609 | Ultrasonic impact methods for treatment of welded structures This invention provides methods of treatment for work products of materials such as steel, bronze, plastic, etc. and particularly welded steel bodies by pulse impact energy, preferably ultrasonic, to relax fatigue and aging and extend expectant life. The treatment m... | 03/18/2008 |
| 7323136 | Containerless mixing of metals and polymers with fullerenes and nanofibers to produce reinforced advanced materials The present invention relates to fullerene, nanotube, or nanofiber filled metals and polymers. This invention stems from a cross-disciplinary combination of electromagnetic and acoustic processing and property enhancement of materials through fullerene or nanofiber ... | 01/29/2008 |
| 7301123 | Method for modifying or producing materials and joints with specific properties by generating and applying adaptive impulses a normalizing energy thereof and pauses therebetween A method of impulse treatment which modifies at least one specified property of a material or object (such as a welded joint), or produces a material or object with at least one specified physical, mechanical or structural property, by adaptively controlling an impu... | 11/27/2007 |
| 7255896 | Producing method for die coater and coating apparatus A method of producing a die coater structured with at least two bars so as to form a pocket section to extend a coating liquid in a coating width direction, a coating liquid supply port to supply a coating liquid to the pocket section, and a slit section to discharg... | 08/14/2007 |
| 7175722 | Methods and apparatus for stress relief using multiple energy sources Methods are presented for modifying a physical property of a structure, such as reducing or relieving remaining internal stress, in which two or more energy types are concurrently applied to the structure to change the physical property of interest in an accelerated... | 02/13/2007 |
| 7147726 | Mechanical method for generating nanostructures and mechanical device for generating nanostructures The present invention concerns a mechanical method for generating nanostructures in order to obtain on a surface of a metal piece a nanostructured layer of defined thickness. A quantity of perfectly spherical balls (22) are disposed in a chamber that is close... | 12/12/2006 |
| 7032725 | Ultrasonic machining and reconfiguration of braking surfaces The novel methods, apparatus and reworked rotary braking surface product, for example those exhibited on interior cylindrical braking surfaces of a cast iron brake drum, serve to replace manufacturing defects exhibiting residual tensile stresses and outwardly direct... | 04/25/2006 |
| 7022938 | Repair method for structure and repair welding apparatus A repair method for a structure having an open flaw in a welding heat affected portion, including, removing at least a part of the open flaw and thereby forming a concave portion in the welding heat affected portion, forming build-up weld layers so as to fill the co... | 04/04/2006 |
| 6993948 | Methods for altering residual stresses using mechanically induced liquid cavitation A mechanical transducer induces liquid cavitation, causing pressure waves in a liquid which are applied against a metal surface to afford localized elastic and plastic tensile microstrain. The pressure waves alter the surface tensile stresses in the treated metal by... | 02/07/2006 |
| 6984272 | Process for producing titanium material for target, titanium material for target, and sputtering target using the same A titanium material for a target has a microstructure in which the grain size is small and uniform and also has a macrostructure of the surface of the titanium material which is non-patterned and is excellent in surface property. A titanium ingot in which Vacuum Arc... | 01/10/2006 |
| 6932876 | Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces Metallic workpieces of diverse shapes having work surfaces which are deformed at the surface and adjacent sub-surface layers by surface impact from ultrasonic transducers employing freely axially moving impacting elements propelled and energized by a transducer osci... | 08/23/2005 |
| 6926780 | Method of surface self-nanocrystallization of metallic materials The present invention relates to a method of surface treatment of metallic materials, more particularly, to a method of the surface self-nanocrystallization of metallic materials by the bombarding of supersonic fine particles. The method comprises the step of bombar... | 08/09/2005 |
| 6926970 | Apparatus and method for forming weld joints having compressive residual stress patterns The welding apparatus and associated method are provided. The welding apparatus includes a welding tool for forming a weld joint along the surface of at least one workpiece. The welding apparatus also includes a compression tool for selectively inducing a layer of r... | 08/09/2005 |
| 6916387 | Weld repair of superalloy castings A method of repairing a void on a nickel or cobalt base superalloy investment casting by vibrating the casting for a time before repairing the void, vibrating the casting while filling the void wherein the void is filled by repeatedly making incremental weld deposit... | 07/12/2005 |
| 6852178 | Method for propagating vibratory motion into a conductive fluid and using the method to solidify a melted metal A static magnetic field and a wave are applied to an electrically conductive fluid so as to satisfy the mathematical expression 2πf | 02/08/2005 |
| 6585152 | Method of making a multi-electrode double layer capacitor having single electrolyte seal and aluminum-impregnated carbon cloth electrodes A method of making a double layer capacitor consists of the steps of: impregnating each of a plurality of carbon preforms with a metal; forming a plurality of current collector foils, each of the plurality of current collector foils having a tab portion a... | 07/01/2003 |
| 6458225 | Ultrasonic machining and reconfiguration of braking surfaces The novel methods, apparatus and reworked rotary braking surface product, for example those exhibited on interior cylindrical braking surfaces of a cast iron brake drum, serve to replace manufacturing defects exhibiting residual tensile stresses and outwa... | 10/01/2002 |
| 6338765 | Ultrasonic impact methods for treatment of welded structures This invention provides methods of treatment for work products of materials such as steel, bronze, plastic, etc. and particularly welded steel bodies by pulse impact energy, preferably ultrasonic, to relax fatigue and aging and extend expectant life. The ... | 01/15/2002 |
| 6328828 | Ultrasonic process and ultraclean product of same An ultrasonic cleaning process having ultraclean characteristics and the product of this process are disclosed whereby a conventional ultrasonic cleaning bath is augmented via the use of a cleaning target support structure and an optional mechanical isola... | 12/11/2001 |
| 6171415 | Ultrasonic impact methods for treatment of welded structures This invention provides methods of treatment for welded products by pulse impact energy, preferably ultrasonic, at original production, during the active life period for maintenance and after failure in a repair stage to improve the strength at the weld s... | 01/09/2001 |
| 6168063 | Ultrasonic vibration bonding machine An ultrasonic vibration bonding machine which can simplify a suction passage structure. A resonator has a suction passage at the maximum vibration amplitude point where a bonding working portion is provided, the positions of the pads of a circuit board mo... | 01/02/2001 |
| 6132532 | Aluminum alloys and method for their production A process for producing an Al--Si casting alloy. An alloy is heated to a first temperature to produce a melt and over heat it. A modifier is then added to the melt. The modifier includes an ultra disperse powder capable of remaining in a solid state durin... | 10/17/2000 |
| 5958257 | Process for treating brass components to reduce leachable lead A process for the treatment of brass components to reduce leachable lead therefrom when the component is exposed to water in which the brass component is first treated with an aqueous caustic solution to remove some of the leachable lead therefrom. Therea... | 09/28/1999 |
| 5437748 | Process for patenting and brass plating steel wire It is usually desirable to utilize brass coated steel wires in the reinforcement of rubber articles, such as tires. This invention relates to a process for simultaneously parenting and brass plating a steel wire which comprises: (a) continuously passing t... | 08/01/1995 |
| 5401319 | Lid and door for a vacuum chamber and pretreatment therefor Replaceable parts for a vacuum chamber including an aluminum lid and a quartz door and shield, are treated to clean and roughen their surfaces to increase adhesion of materials deposited thereon during substrate processing in said chamber, thereby reducin... | 03/28/1995 |
| 5252152 | Method of controlling warpage in workpiece by selective flame-hardening and vibrations A method for stress-relieving a flame-hardened component by vibrating the workpiece as it is being flame-hardened, and then vibrating the workpiece after it has been flame-hardened, measuring the workpiece to detect warpage, straightening the workpiece to... | 10/12/1993 |
| 5242512 | Method and apparatus for relieving residual stresses An apparatus for relieving residual stresses and stabilizing modal behavior in a workpiece, and/or analyzing change in modal behavior of a workpiece to detect buildup of residual stresses. The apparatus includes an exciter for vibrating the workpiece. In ... | 09/07/1993 |
| 5035142 | Method for vibratory treatment of workpieces and a device for carrying same into effect A method for vibratory treatment of workpieces involves repeatedly exiting a workpiece at its resonant frequencies of various harmonics by an unbalance vibration exciter connected to an electric motor. The race of one of the bearings of the motor armature... | 07/30/1991 |
| 4968359 | Stress relief of metals A method of stress relieving metal parts that includes the steps of applying mechanical cyclic vibration energy to a part over a test frequency range while monitoring the damping effects of energy flowing into the part as a function of frequency. A plural... | 11/06/1990 |
| 4865652 | Method of producing titanium-modified austenitic steel having improved swelling resistance A process for improving the swelling resistance of a titanium-modified austenitic stainless steel that involves a combination of rapid solidification and dynamic compaction techniques.... | 09/12/1989 |
| 4823599 | Method of operating a machine for the stress relief of workpieces by vibration Method for operating a machine for the relaxation of workpieces, in which the workpiece is subjected to vibrations of selected speeds of a vibrator and in which the selection of the speeds of the vibrator is taken from a measurement which reproduces the v... | 04/25/1989 |
| 4718473 | Vibratory stress relief apparatus A vibratory stress relief apparatus is provided and has a resiliently supported base and an adjustable rate vibratory member on the base. A housing having a support plate and spaced side walls is resiliently supported on the base. A casting rests in the h... | 01/12/1988 |
| 4410374 | Steel having excellent vibration attenuation performance and method of manufacturing the same Steel having a structure of ferrite and tempered martensite and exhibiting excellent vibration attenuation characteristic is manufactured by the steps of forming a solid solution of steel consisting essentially of 0.02~0.016% by weight of carbon; less tha... | 10/18/1983 |
| 4381673 | Vibrational stress relief A method and apparatus for accomplishing stress relief in fabricated structures by application of dynamic loading induced by vibration to relieve residual stresses sufficiently to achieve dimensional stability. Maximum dynamic loading of the structure by ... | 05/03/1983 |
| 4030947 | Heating treatment method and system of utilizing same A method and system for heat treating metallic substances, especially alloys, and the products obtained thereby. The alloy is subjected to solution heat treating in a fluid media, after which it is quenched in a fluid quenching media. This is followed by ... | 06/21/1977 |