Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7842904 | Welding system and consumable electrode welding method A torch is moved by a manipulator in a direction separating from a base material 7 while a wire is supplied, whereby an actuator driving the robot manipulator can control a velocity of the wire for a workpiece by a unidirectional operation of separating the t... | 11/30/2010 |
| 7800018 | Method and system of welding with adaptive crater fill control The present invention is directed to a system and method of automatically adjusting the operating parameters of a welding-type system based on the type of welding being carried out. The invention includes a controller that is configured to automatically delineate be... | 09/21/2010 |
| 7705270 | Control method and system for metal arc welding A method of controlling an arc welding system during a welding process is disclosed. The welding process has a plurality of welding cycles in which a consumable electrode is advanced towards a workpiece. The method includes dynamically regulating a rate of advanceme... | 04/27/2010 |
| 7700893 | System and method for calibrating wire feeder motor control The present invention is directed to an apparatus and method for controlling a wire feeder. The wire feeder includes a wire feeder motor configured to drive delivery of a welding wire at an actual wire feed speed (WFS) according to a welding-type process. The wire f... | 04/20/2010 |
| 7573002 | Electric arc welder and method for controlling the welding process of the welder Electric arc welder (10) performs a given weld process with selected current waveform performed between electrode (24) and workpiece (26). Welder (10) includes a controller with a digital processor (30), sensor (44) for read... | 08/11/2009 |
| 7554056 | Method and apparatus for braking and advancing a welding wire A method and apparatus for providing welding-type power include a wire feeder that provides wire to an arc and a power supply that provides power to the arc. A reversible wire feed motor moves the wire to and away from the arc. A controller controls the reversible w... | 06/30/2009 |
| 7363693 | Wire-processing device A wire-processing device has a belt-drive that feeds a wire to a swivel-arm with a gripper. Drives operate the swivel-arm in a swiveling motion and/or in a linear motion. The swivel-arm has a neutral position on a longitudinal axis of the wire and on the axis is a p... | 04/29/2008 |
| 7355141 | Welder with integrated regulator A welder having an internal shielding gas regulator is disclosed. The welder has an internal gas cylinder and an internal regulator disposed in an enclosure. The welder may be equipped with an auxiliary shielding gas cylinder inlet so that a bulk shielding gas cylin... | 04/08/2008 |
| 7351933 | Method and apparatus for controlling a welding system A method and apparatus for controlling a welding-type power supply includes providing a current wave form having an arc current portion and a short circuit current portion. An arc state is entered by retracting a welding wire, and a short circuit state is entered by... | 04/01/2008 |
| 7348518 | Welding apparatus A welding apparatus capable of effecting welding completion processing which is reliable and free of wasteful time, by transmitting the completion of wire fusion prevention processing to a welding machine 11, by transmitting the detected result to a controlle... | 03/25/2008 |
| 7339135 | Welding arc stabilization process A system and method for stabilizing a welding arc is disclosed. The method of initiating the arc includes the steps of defining a wire feed speed based on a user selected wire feed speed and then abruptly reducing the wire feed speed before the wire feed speed reach... | 03/04/2008 |
| 7335854 | Method and system of determining wire feed speed A system and method for controlling a wire feeder is disclosed. The speed by which a wire feeder delivers consumable weld wire to a weld is dynamically controlled based on feedback from a contact-less sensor. The contact-less sensor provides the feedback directly fr... | 02/26/2008 |
| 7329834 | Method and apparatus to automatically determine type of gun connected to a wire feeder A process is disclosed that monitors a characteristic of a welding gun connected to a wire feeder and, based on the detected characteristic, automatically determines the type of gun connected and sets operating parameters of the wire feeder and/or welding gun accord... | 02/12/2008 |
| 7323659 | System and method of precise wire feed control in a welder The present invention is directed to an apparatus and method for a welding-type wire feeder. The feeder includes at least one electronically commutated motor (ECM) configured to deliver a consumable for a welding-type process. The feeder includes a controller config... | 01/29/2008 |
| 7323658 | Method and apparatus for welding and control thereof A method and apparatus for welding includes one or more of a welding type power source, a feedback circuit, a wire feeder and a controller. The controller preferably has an eta control circuit responsive to the feedback. It also has a control loop having a response ... | 01/29/2008 |
| 7301124 | System and method for coordinating wire feeder motor operation The present invention is directed to an apparatus and method for coordinating wire feeder motor operation. A wire feeder system includes a push motor configured to push a welding wire at a desired speed to and a pull motor configured to pull the welding wire from th... | 11/27/2007 |
| 7290957 | Laser welding seam with reduced end-crater and process for production thereof A laser weld seam with reduced end crater and a process for production thereof are provided. The seam end is provided at a location, which exhibits a excessive material relative to the surrounding surface or thereby, that the seam towards the seam end exhibits a cou... | 11/06/2007 |
| 7265321 | Welding equipment for consumable electrode In a case where a motor 3 is stopped upon completion of welding, a motor stop can be effected irrespective of the length of control lines by disposing a first motor stop means 5a or a second motor stop means 5b in a feeding means | 09/04/2007 |
| 7262387 | Method and apparatus for arc welding with arc control A method and apparatus for providing welding power with an arc-width control is disclosed. The power supply includes a power circuit that provides a welding output characterized by a plurality of welding output parameters, and the power circuit receives at least one... | 08/28/2007 |
| 7244908 | Wire feed speed and current adjustable welding torch with remote selection of parameters An arc welding torch control system providing remotely selectable control over welding wire feed rate and welding current without discontinuing use of the welding device. A torch mounted three position switch provides for selection of variable wire feed rate with co... | 07/17/2007 |
| 7241968 | Consumable electrode arc welding method The invention includes means for, when welding a crater in a welding termination portion, moving a torch in a direction allowing the whole of the torch to part apart from a molten pool and, therefore, the invention can prevent all welding wires from coming into cont... | 07/10/2007 |
| 7176410 | Method of welding motor vehicle elements, in particular tailored blanks An electric-arc welding process for assembling parts that are components of a motor vehicle, in which a consumable wire is used that is subjected to a cyclic mechanical movement. The wire is moved closer to and then further away from the parts to be welded so as to ... | 02/13/2007 |
| 7138601 | Method and apparatus for arc welding with arc control A method and apparatus for providing welding power with an arc-width control is disclosed. The power supply includes a power circuit that provides a welding output characterized by a plurality of welding output parameters, and the power circuit receives at least one... | 11/21/2006 |
| 7138602 | Method and apparatus for welding with mechanical arc control A method and apparatus for feeding wire from a source of wire to a weld includes one or more motors disposed adjacent the wire to drive the wire to the weld. A buffer is disposed between the source and an arc end of the torch. Another motor may be disposed near the ... | 11/21/2006 |
| 7105777 | Dedicated wire feed speed control A MIG welder and method of controlling a MIG welder which includes a wire speed selector that is used to generate a control signal which controls both the wire feed speed of a consumable electrode and the output current level of the power supply. ... | 09/12/2006 |
| 7105775 | Welding gun having contact tip and method of operating same A welding gun adapted to secure a contact tip within the welding gun without threading the contact tip and without the use of tools. The contact tip may be adapted to abut a surface of a first member disposed within the welding gun. The surface may be a surface of a... | 09/12/2006 |
| 7105776 | Method and apparatus for welding with start control A method and apparatus for providing welding power with a start control is disclosed. The welding power supply includes a source of welding power, a wire feeder and a controller. The source of welding power has at least one power control input, and provides welding ... | 09/12/2006 |
| 7102099 | Method and apparatus for feeding wire to a welding arc A method and apparatus for feeding wire in a welding system include one or more motors disposed adjacent the wire to drive it. A wire feed motor is also disposed along the wire path, and is closer to the source of wire than the torch, and closer to the source than t... | 09/05/2006 |
| 7098425 | Universal wire feeder A wire feeder that can be connected to a variety of power supplies which includes a power conditioner that can detect a current and/or voltage level from a particular power supply and modify the current and/or voltage level when required so as to enable the wire fee... | 08/29/2006 |
| 7091449 | Voltage regulated MIG welding using a constant current power source A system and method of duplicating CV mode of operation with a CC power includes a wire feeder designed to automatically adjust the speed of which consumable wire is delivered to a weld so as to maintain a target voltage set by a user. The wire feeder is designed to... | 08/15/2006 |
| 7049545 | MIG welding machine having 115V inverter The present invention is directed to a MIG welding machine having a 115 volt inverter. Incorporation of the 115 volt inverter into the MIG welding power source reduces the weight of the power source thereby increasing its portability. The power source may include a ... | 05/23/2006 |
| 7041937 | Wire feeder operable with lower minimum input voltage requirement The present invention is directed to a power supply that maintains power supply to a plurality of electronic components of a welding system when an arc voltage falls below approximately 15 volts. The invention includes a power supply having a secondary supply circui... | 05/09/2006 |
| 7026575 | Device and method for identifying defects during the feeding of a welding rod The invention relates to a device for identifying defects during the feeding of a welding rod. A sensor assembly is located in the welding torch for detecting the feed pressure and the feed tension for the welding rod, a drive device for feeding the welding rod bein... | 04/11/2006 |
| 7022935 | Plasma-cutting torch with integrated high frequency starter The present invention is directed to a system including a plasma cutting torch having an output electrode and a plasma cutter starting circuit configured to generate a pilot arc at the output electrode. ... | 04/04/2006 |
| 7022936 | Plasma arc torch trigger system A trigger system for operating a plasma arc torch is provided that comprises a selector that operates between at least a first operating position and a second operating position, wherein the first operating position operates the plasma arc torch in a first mode to d... | 04/04/2006 |
| 7015419 | Detecting element for a welding device The invention describes a welding apparatus (1), which has a current source (2) for supplying electrical power to at least one electrode at a welding torch (10) and a control system (4) co-operating with the current source (2), lin... | 03/21/2006 |
| 7005610 | Voltage regulated GMAW welding using a constant current power source and wire feeder having variable gain A system and method of duplicating CV mode of operation with a CC power includes a wire feeder designed to automatically adjust the speed of which consumable wire is delivered to a weld so as to maintain a target voltage set by a user. The wire feeder is designed to... | 02/28/2006 |
| 6995338 | Method and apparatus for short circuit welding A method and apparatus for short circuit welding includes providing welding power suitable for short circuit welding, sensing the stick out length, and adjusting the welding speed, such as wire feed speed or travel speed, adjusting a welding parameter, or adjusting ... | 02/07/2006 |
| 6984806 | Method and apparatus for retracting and advancing a welding wire A method and apparatus for providing welding-type power include a wire feeder that provides wire to an arc and a power supply that provides power to the arc. A reversible wire feed motor moves the wire to and away from the arc. A controller controls the reversible w... | 01/10/2006 |
| 6974933 | Method and apparatus for welding and control thereof A method and apparatus for welding includes one or more of a welding type power source, a feedback circuit, a wire feeder and a controller. The controller preferably has an eta control circuit responsive to the feedback. It also has a control loop having a response ... | 12/13/2005 |
