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 |
| 8017892 | Apparatus and methods for synthesis of large size batches of carbon nanostructures An apparatus and method for synthesizing nanostructures. In one embodiment, the apparatus includes a reactor having a reaction zone and a conductive susceptor positioned in the reaction zone. The method includes the steps of transporting a gas mixture having an aero... | 09/13/2011 |
| 7935915 | Induction heating apparatus for heat treating a section of pipe A heating apparatus for heating a pipe prior to performing a welding operation, an interpass welding operation, or a hydrogen bake-out operation is provided. The heating apparatus comprises at least one heating collar placed on one side of a pipe weld joint and a co... | 05/03/2011 |
| 7410611 | In-line method and apparatus to prevent fouling of heat exchangers The present invention relates to a method and apparatus for the prevention of fouling of process streams by the application of electric charge on process components. The electric charge may be attractive or repulsive to the foulants, they may be constant or variable... | 08/12/2008 |
| 7326897 | Clip on tubing welder A clip on welder includes two pairs of opposed grippers defined by pivotally attached upper and lower frames for latching the welder to heat weldable material, such as a length of tubing, upon actuation of a start button by an operator; thereafter, the welder operat... | 02/05/2008 |
| 7317177 | Electric induction heat treatment of an end of tubular material A magnetic flux concentrator is used to control the end heating of a tubular material in an electric induction heat treatment process. The magnetic flux concentrator may consist of fixed elements, or a combination of fixed and moveable elements to accommodate end he... | 01/08/2008 |
| 7279663 | Fixing device using induction heating and method for producing same A fixing device includes a heating roller which is made of a magnetic metal, a coil which is made of a plurality of twisted wires, an exciting circuit which applies a high-frequency current to the coil, and a core which is made of a heat resistant resin and is arran... | 10/09/2007 |
| 7235209 | Apparatus for heat treatment of structural body parts in the automobile industry Apparatus for heat-treating an elongate structural body part made from a blank compressed while being soft or from steel strip of hardenable 22 Mn B5 mod. steel sheet with a thickness of 1 mm to 3 mm, includes an apparatus for positioning the structural body part in... | 06/26/2007 |
| 7211776 | Method for unattended sealing of tubing A clip on welder includes two pairs of opposed grippers defined by pivotally attached upper and lower frames for latching the welder to heat weldable material, such as a length of tubing, upon actuation of a start button by an operator; thereafter, the welder operat... | 05/01/2007 |
| 7192551 | Inductive heating process control of continuous cast metallic sheets An apparatus for rolling of a powder metallurgical metallic workpiece is provided having a feeding device, a first induction heating apparatus in operable communication with a first RF generator and at least a first hot rolling mill. A process control device monitor... | 03/20/2007 |
| 7151243 | Method for welding material with a clip on welder A clip on welder includes two pairs of opposed grippers defined by pivotally attached upper and lower frames for latching the welder to heat weldable material, such as a length of tubing, upon actuation of a start button by an operator; thereafter, the welder operat... | 12/19/2006 |
| 7141768 | Fastening device A device for fastening surfaces together in an effective, efficient, and preferably reversible bond is disclosed. This device is particularly useful in the construction industry for fastening roll goods, such as wall coverings, or mill work, such as moldings, to sur... | 11/28/2006 |
| 7117707 | Apparatus and method for thermomechanically forming an aluminide part of a workpiece A method of thermomechanically forming an aluminide part of a workpiece resistively heats at least a portion of the aluminide part, plastically deforms the heated portion of the aluminide part to a predetermined shape by applying pressure to the aluminide part posit... | 10/10/2006 |
| 7115127 | Methods and apparatus for hemostasis following arterial catheterization A method for accelerating hemostasis of an artery having a puncture after arterial catheterization, the catheterization using a catheter introducer, the method including the steps of inserting into an artery a catheter introducer prior to arterial catheterization, f... | 10/03/2006 |
| 7084382 | Clip on welder for plastic material A clip on welder includes two pairs of opposed grippers defined by pivotally attached upper and lower frames for latching the welder to heat weldable material, such as a length of tubing, upon actuation of a start button by an operator; thereafter, the welder operat... | 08/01/2006 |
| 7060951 | Apparatus for the clamping of a rotary tool in a tool holder To set the length of a rotary tool (1a), to be thermally shrunk in place in a tool holder (7a), by means of an inductive heating device (15a), a setting device is provided with a positioning holder (61) for the rotary... | 06/13/2006 |
| 7026592 | Clip on thermal welder A clip on welder includes two pairs of opposed grippers defined by pivotally attached upper and lower frames for latching the welder to heat weldable material, such as a length of tubing, upon actuation of a start button by an operator; thereafter, the welder operat... | 04/11/2006 |
| 7012227 | Method for applying or repairing a coating on a substrate by inductive heating A method of applying or repairing a coating on a substrate by inductive heating. A susceptor element is applied on the coating and the element and the substrate are inductively energized to cause the substrate and the coating to be heated. The susceptor element is r... | 03/14/2006 |
| 6998349 | System, method and apparatus for automatic control of an RF generator for maximum efficiency A system and method of generating RF includes a supply voltage source, an oscillator, an output amplifier, a load network, a peak voltage detector and a comparator circuit. The oscillator has a control signal input and an RF signal output. The output amplifier is co... | 02/14/2006 |
| 6979385 | Method and facility for separating and recovering steel pipe and covering resin in resin-covered steel pipe There are provided a method and a facility for separating and recovering a steel pipe and a covering resin in a resin-covered steel pipe, which do not produce cuttings of the steel pipe and which make it possible to continuously operate the facility. The method comp... | 12/27/2005 |
| 6867396 | Apparatus for inductive heating of a tool holder An apparatus for inductively heating a sleeve section, having a central holding opening for a shank of a rotary tool, of a tool holder that holds the shank in the holding opening in a press fit and releases it upon heating. The apparatus includes an induction coil a... | 03/15/2005 |
| 6648209 | Process for producing welded steel pipes with a high degree of strength, ductility and deformability In a process for producing welded steel pipes, a pipe is molded cold from a TM-rolled sheet, welded together and sized to the desired diameter, whereby the sheet includes steel with (in wt. %) 0.02 to 0.20% carbon, 0.05 to 0.50% silicon, 0.50 to 2.50% man... | 11/18/2003 |
| 6353706 | Optimum oil-well casing heating An electrical heating method and apparatus for minerals wells having a metallic fluid admission section located adjacent a hydrocarbonaceous reservoir of a heterogeneous reservoir that has at least two longitudinally spaced producing intervals having diff... | 03/05/2002 |
| 6346690 | Induction heating system with a flexible coil A method and apparatus for induction heating includes a power supply, and a controller, and an induction head. The induction head includes a flexible coiled, such as one formed with Litz wire. The head also includes a thermal insulator, for disposing betw... | 02/12/2002 |
| 6262403 | Apparatus for aligning ends of diffusion bonded materials A diffusion bonding method having a step of adjusting ends of material to be bonded before bonding the material after setting the materials in the diffusion bonding apparatus, whereas a diffusion bonding apparatus having a means of finishing ends of mater... | 07/17/2001 |
| 6230745 | Pipe heating device A pipe heating device for conveniently thawing out pipelines. The pipe heating device includes a scissor-like member including a first elongate member having a first end, a second end, and an intermediate portion, and also including a second elongate memb... | 05/15/2001 |
| 6229126 | Induction heating system with a flexible coil A method and apparatus for induction heating includes a power supply, and a controller, and an induction head. The induction head includes a flexible coiled, such as one formed with Litz wire. The head also includes a thermal insulator, for disposing betw... | 05/08/2001 |
| 6193834 | Apparatus and method for fusion joining a pipe and fittings An apparatus for fusing a pipe to a fitting includes an induction heating element wholly encased or coated with a flusible thermoplastic polymeric material, a fitting having a socket or a flange. The induction heating element is adapted to be inserted int... | 02/27/2001 |
| 6166359 | Induction heating apparatus and method for pipeline welding operations Induction heating apparatus for use in welding an end of a first length of pipe (26) to the exterior surface of a second length of pipe (28), consists of heating assemblies (20, 24) each comprising at least one electrical induction coil (32, 36) wound on ... | 12/26/2000 |
| 6107613 | Selectively sizable channel coil An adjustably dimensionable inductive heating apparatus includes inductor turns which are supported by a slide or actuator to allow selective positioning of the inductor turns to a variety of positions. The adjustable support members are disposed to allow... | 08/22/2000 |
| 6093917 | High frequency heating coil device A high frequency heating coil device having sufficient flexibility and heating ability is provided. Coils 2 are contained in outer jacket 1. The coils 2 are made of steel, copper or brass tubing which is annealed sufficiently to be flexible. Plural pieces... | 07/25/2000 |
| 5750971 | Apparatus for controlling RF generators to weld plastic materials Radio frequency power for melting, sealing and welding plastic tubing compressed between a pair of manually or automatically actuated electrically conducting jaws of a hand held or fixed base tubing sealer is regulated by a pulse width modulator controlli... | 05/12/1998 |
| 5580479 | High-frequency inductor heating tube for solder injectors The high-frequency inductor heating tube (1) for solder injectors is furnished as a hollow cylinder formed at one end as a cylindrical receiver tube. Windings of an inductor (2) are disposed over length of the cylindrical receiver tube. A solder injector ... | 12/03/1996 |
| 5543604 | RF Generator for plastic tubing sealers Radio frequency power for melting, sealing and welding plastic tubing compressed between a pair of manually or automatically actuated electrically conducting jaws of a hand held or fixed base tubing sealer is regulated by a pulse width modulator controlli... | 08/06/1996 |
| 5526561 | Method of making an induction heating tool A jaw-like cylindrical tool for producing a strong electromagnetic field for causing a Curie point heater to be energized having a curved cross-section that brings the two edges of the jaw-like structure into contact. Closely spaced conductors lie along t... | 06/18/1996 |
| 5466916 | Method and apparatus for joint resin pipes using high-frequency electric induction heating When resin pipes are connected through induction heating, the resin pipes of this invention do not form inside bulges due to air and resin expansion during the heating process. A cylindrical heater made of stainless steel is placed around the joint betwee... | 11/14/1995 |
| 5412184 | Industion heating tool A jaw-like cylindrical tool for producing a strong electromagnetic field for causing a Curie point heater to be energized having a curved cross-section that brings the two edges of the jaw-like structure into contact. Closely spaced conductors lie along t... | 05/02/1995 |
| 5412182 | Eddy current heating for hyperthermia cancer treatment An interstitial heater, made of an electrically conductive tube with a wire wound in a toroidal configuration about the tube and connected to a capacitor to form a tank circuit, is driven with a radiofrequency power source at resonance to provide tissue h... | 05/02/1995 |
| 5406055 | Apparatus for expanding/shrinking articles An apparatus for producing a heat recoverable plastic article such as a tube by deforming the article from a heat-stable configuration to a heat-unstable configuration. The heat-unstable configuration will return to the heat-stable configuration when the ... | 04/11/1995 |
| 5349166 | RF generator for plastic tubing sealers Radio frequency power for melting, sealing and welding plastic tubing compressed between a pair of manually or automatically actuated electrically conducting jaws of a hand held or fixed base tubing sealer is regulated by a pulse width modulator controlli... | 09/20/1994 |
| 5338920 | Method of manufacturing and joining electro-fusion fitting An electro-fusion fitting includes a body, and a magnetic alloy member which is continuous in the axial direction is embedded in the vicinity of a joint surface of the body. A shield member is arranged on the outer surface of the body in a portion where a... | 08/16/1994 |