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Thermal Dynamics Corporation Patents |
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Assignee: Thermal Dynamics Corporation
Address: St. Louis, MO
No. of patents: 108
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| RE37608 |
Plasma torch electronic pulsing circuit |
March 26, 2002 |
| A plasma arc torch having new electronic circuit concepts wherein main current regulated power means regulates the pilot current prior to main arc transfer. Further, the circuit may contain two inductors to which DC current initially flows but is interrupted upon main arc transfer such |
| RE31544 |
Current unit for arc welding |
March 27, 1984 |
| An a.c. operated arc welding current supply unit comprises a frequency converter of the series capacitor type and operating with a half period which is substantially less than the average duration of the current and voltage transients caused by short circuits through droplets of weld |
| D536009 |
Cartridge body assembly for a plasma arc torch |
January 30, 2007 |
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| D535674 |
Secondary spacer assembly for a plasma arc torch |
January 23, 2007 |
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| D535673 |
Gas distributor for a plasma arc torch |
January 23, 2007 |
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| D535672 |
Cartridge body for a plasma arc torch |
January 23, 2007 |
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| D525273 |
Shield cap for a plasma arc torch |
July 18, 2006 |
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| D524336 |
Tip assembly for a plasma arc torch |
July 4, 2006 |
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| D523043 |
Shield cap for a plasma arc torch |
June 13, 2006 |
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| D523042 |
Vented shield cap for a plasma arc torch |
June 13, 2006 |
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| D519135 |
Tip for a plasma arc torch |
April 18, 2006 |
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| D517577 |
Electrode for a plasma arc torch |
March 21, 2006 |
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| D517576 |
Knurled electrode for a plasma arc torch |
March 21, 2006 |
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| D511663 |
Retainer cap for a plasma arc torch |
November 22, 2005 |
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| D511280 |
Plasma arc torch tip |
November 8, 2005 |
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| D506440 |
Socket connector |
June 21, 2005 |
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| D505963 |
Electrode for a plasma arc torch |
June 7, 2005 |
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| D505918 |
Plug connector |
June 7, 2005 |
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| D505309 |
Drag cap for a plasma arc torch |
May 24, 2005 |
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| D504142 |
Plasma arc torch tip |
April 19, 2005 |
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| D501632 |
Vented shield for a plasma arc torch |
February 8, 2005 |
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| D499620 |
Plasma arc torch tip with secondary holes |
December 14, 2004 |
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| D499071 |
Connector |
November 30, 2004 |
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| D497373 |
Gouging cap for a plasma arc torch |
October 19, 2004 |
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| D496951 |
Mechanized cap for a plasma arc torch |
October 5, 2004 |
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| D496842 |
Start cartridge |
October 5, 2004 |
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| D495348 |
Ohmic clip |
August 31, 2004 |
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| D493682 |
Handle and trigger assembly |
August 3, 2004 |
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| D493681 |
Socket connector body |
August 3, 2004 |
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| D493183 |
Deflector cap for a plasma arc torch |
July 20, 2004 |
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| D492709 |
Plasma arc torch tip with swirl holes |
July 6, 2004 |
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| D491891 |
Socket connector |
June 22, 2004 |
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| D490059 |
Connector adapter |
May 18, 2004 |
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| D489953 |
Torch and lead assembly |
May 18, 2004 |
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| D489235 |
Torch head |
May 4, 2004 |
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| D489079 |
Torch, lead and connector assembly |
April 27, 2004 |
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| D488968 |
Trigger assembly |
April 27, 2004 |
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| D486368 |
Torch handle |
February 10, 2004 |
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| D479461 |
Packaging for cutting or welding equipment |
September 9, 2003 |
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| D314086 |
Case |
January 29, 1991 |
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| D302097 |
Plasma arc torch with angled head |
July 11, 1989 |
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| D299352 |
Torch tip |
January 10, 1989 |
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| D295361 |
Electrode tip for a plasma arc cutting torch |
April 26, 1988 |
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| 7429715 |
Modular plasma arc torch |
September 30, 2008 |
| A modular plasma arc torch is provided that comprises a torch head and a torch lead, and a quick disconnect that is operatively engaged between the torch head and the torch lead. Accordingly, the torch head and torch lead may be quickly assembled and disassembled through the use of the |
| 7326874 |
Vented shield system for a plasma arc torch |
February 5, 2008 |
| Vented shield systems for plasma arc torches are provided that comprise a shield cup body defining a distal end portion, a vented retainer secured to the distal end portion of the shield cup body, and a shield cap secured to the vented retainer. The vented retainer defines at least one |
| 7202440 |
Dual mode plasma arc torch |
April 10, 2007 |
| A dual mode plasma arc torch is provided that preferably comprises a start cartridge disposed between an electrode and a tip. In one form, the start cartridge comprises an initiator that is in electrical contact with the electrode and that is resiliently biased into contact with the tip, |
| 7145099 |
Tip gas distributor |
December 5, 2006 |
| A tip gas distributor is provided that preferably comprises a plurality of swirl holes and a plurality of secondary gas holes, wherein the swirl holes direct a plasma gas to generate a plasma stream, and the secondary gas holes direct a secondary gas to stabilize the plasma stream. A |
| 7145098 |
Plasma arc torch |
December 5, 2006 |
| A plasma arc torch is provided that comprises a set of torch consumable components secured to a torch head, wherein a supply of cooling fluid flows coaxially through the torch to cool torch components and a supply of plasma gas and secondary gas flows through the torch to generate and |
| 7132619 |
Plasma arc torch electrode |
November 7, 2006 |
| A variety of electrodes for use in a plasma arc torch are provided that improve cooling between the electrode and an adjacent cathodic element such as a cathode. At least one passageway is formed between the electrode and the cathode for the flow of a fluid, e.g. cooling fluid, where |
| 7126080 |
Plasma gas distributor with integral metering and flow passageways |
October 24, 2006 |
| A gas distributor for use in a plasma arc torch is provided that has at least one plasma gas passageway formed conjointly with a metering passageway, and at least one helical gas passageway formed along an interior portion of the gas distributor, wherein the helical gas passageway is |
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