| Patent application number | Description | Published |
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| 20090184098 | SYSTEM FOR MEASURING ENERGY USING DIGITALLY CONTROLLED WELDING POWER SOURCES - A method and system for internally determining, within a welding power supply, the energy input into a weld during a welding operation. The method includes determining a total energy input into the weld during a first time period, and determining a length of the weld made during the first time period. | 07-23-2009 |
| 20100096375 | AUTOMATIC WIRE FEEDING SYSTEM - An apparatus and method for feeding welding wire, where the apparatus contains a wire feeding device which pays out a wire and a power source which provides a current and voltage to the wire while it is being paid out. The apparatus further includes a detection circuit which detects a short circuit in the wire when the wire makes contact with a work piece or the like, and upon detection of the short circuit the wire feeding device stops feeding the wire so that a desired stick out distance is achieved. | 04-22-2010 |
| 20100237052 | METHOD AND APPARATUS FOR ADAPTIVE GMAW SHORT CIRCUIT FREQUENCY CONTROL - A welding apparatus having a waveform compensation device, a power section coupled to the waveform compensation device which generates a welding waveform in accordance with a signal from the waveform compensation device, and a frequency detection device which detects at least one of a voltage, current and power of a welding arc and determines a shorting frequency of the arc. The waveform compensation device adjusts at least a portion of the welding waveform based on an output from the frequency detection device. | 09-23-2010 |
| 20100270278 | AUTOMATIC BURNBACK CONTROL IN AN ARC WELDING SYSTEM - An arc welding system and method where burnback time (BBT) is correlated to wire feed speed (WFS). Means for feeding a wire electrode toward a workpiece and means for selecting a wire feed speed (WFS) are provided. Also, means for automatically adjusting a burnback time (BBT) of the wire electrode in response to the selected wire feed speed (WFS) is provided. | 10-28-2010 |
| 20110114615 | SYSTEMS, METHODS, AND APPARATUSES FOR MONITORING WELD QUALITY - An arc welder including an integrated monitor is disclosed. The monitor is capable of monitoring variables during a welding process and weighting the variables accordingly, quantifying overall quality of a weld, obtaining and using data indicative of a good weld, improving production and quality control for an automated welding process, teaching proper welding techniques, identifying cost savings for a welding process, and deriving optimal welding settings to be used as pre-sets for different welding processes or applications. | 05-19-2011 |
| 20120097655 | METHOD TO CONTROL AN ARC WELDING SYSTEM TO REDUCE SPATTER - An electric arc welder and a method for performing a pulse welding process producing reduced spatter. The welder produces a current between an advancing electrode and a workpiece. The welder includes a short-detecting capability for detecting a short condition upon occurrence of a short circuit between the advancing electrode and the workpiece. The welder may also include a switching module in the welding circuit path of the welder having an electrical switch and a resistive path. Times of occurrence of short intervals can be tracked and a blanking signal can be generated based on the tracked short intervals to anticipate a next short interval in a next pulse period of the pulsed welding process. The blanking signal can be used to reduce a welding current in the welding circuit path by introducing additional resistance into the welding circuit path via the switching module, for example. | 04-26-2012 |
| 20120205359 | SYSTEMS, METHODS, AND APPARATUSES FOR MONITORING WELD QUALITY - An arc welding system and methods. The system is capable of monitoring variables during a welding process, according to wave shape states, and weighting the variables accordingly, detecting defects of a weld, diagnosing possible causes of the defects, quantifying overall quality of a weld, obtaining and using data indicative of a good weld, improving production and quality control for an automated welding process, teaching proper welding techniques, identifying cost savings for a welding process, and deriving optimal welding settings to be used as pre-sets for different welding processes or applications. | 08-16-2012 |
| 20120305535 | POWER SOURCE FOR ELECTRIC ARC WELDING - A power source for an electric arc welding process, wherein the power source comprises an input stage having an AC input and a first DC output signal; a second stage in the form of an unregulated DC to DC converter having an input connected to the first DC output signal and an output in the for of a second DC output signal electrically isolated from the first DC output signal end with a magnitude of a given ratio to the first DC output signal; and, a third stage to convert the second DC output signal to a welding output for the welding process. | 12-06-2012 |
| Patent application number | Description | Published |
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| 20100292710 | SURGICAL FASTENERS, APPLICATOR INSTRUMENTS, AND METHODS FOR DEPLOYING SURGICAL FASTENERS - An applicator instrument for dispensing surgical fasteners includes a housing, an elongated shaft extending from the housing, the elongated shaft having a proximal end coupled with the housing and a distal end remote therefrom, and a firing system for dispensing surgical fasteners from the distal end of the elongated shaft. The firing system includes a firing rod disposed in the elongated shaft, the firing system having a firing cycle with a first stage for advancing the firing rod toward the distal end of the elongated shaft at a first rate of speed and a second stage for advancing the firing rod toward the distal end of the elongated shaft at a second rate of speed that is greater than the first rate of speed. | 11-18-2010 |
| 20100292712 | SURGICAL FASTENERS, APPLICATOR INSTRUMENTS, AND METHODS FOR DEPLOYING SURGICAL FASTENERS - An applicator instrument for dispensing surgical fasteners includes a housing, an elongated shaft extending from the housing, a firing rod disposed inside the elongated shaft and being movable within a first plane between a retracted position and an extended position, an advancer disposed inside the elongated shaft and being moveable within a second plane between a retracted position and an extended position, and a staging assembly located adjacent the distal end of the elongated shaft and being adapted to align surgical fasteners with a distal end of the firing rod. The staging assembly is held below the second plane by the advancer when the advancer is in the extended position and the staging assembly is adapted to move into at least partial alignment with the distal end of the firing rod when the advancer is in the retracted position. | 11-18-2010 |
| 20100292713 | SURGICAL FASTENERS, APPLICATOR INSTRUMENTS, AND METHODS FOR DEPLOYING SURGICAL FASTENERS - A firing system for an applicator instrument adapted to dispense surgical fasteners includes a housing, an elongated shaft extending from the housing, a firing rod disposed within the elongated shaft, a firing rod release engageable with the firing rod for preventing distal movement of the firing rod during at least one stage of a firing cycle, a trigger mounted to the housing, and a firing spring having a first end connected with the firing rod and a second end adapted for being sequentially coupled and decoupled from the trigger during the firing cycle. The firing cycle includes an initial stage in which the trigger is open and decoupled from the energy storing element, and the firing spring is at least partially compressed, and a piloting stage during which the firing rod release is disengaged from the firing rod for enabling distal movement of the firing rod. | 11-18-2010 |
| 20100292715 | SURGICAL FASTENERS, APPLICATOR INSTRUMENTS, AND METHODS FOR DEPLOYING SURGICAL FASTENERS - A surgical fastener for securing a prosthetic device to tissue includes a first leg having a distal end, a proximal end, and a first insertion tip at the distal end of the first leg, and a second leg including a distal end, a proximal end, and a second insertion tip at the distal end of the second leg. A bridge connects the proximal ends of the first and second legs for forming a closed end of the surgical fastener. The first insertion tip has a first insertion tool seating surface, and the second insertion tip has a second insertion tool seating surface. The first insertion tool seating surface is closer to the distal end of the first leg than the proximal end of the first leg, and the second insertion tool seating surface is closer to the distal end of the second leg than the proximal end of the second leg. The first and second legs extend along respective longitudinal axes, and the first and second insertion tips are skewed outwardly relative to the respective longitudinal axes. | 11-18-2010 |
