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Class 219/121.51 - Gas supply system


Subclass of Class 219 - Electric heating
Definition: Subject matter including structure for delivering working
No. of applications: 11
Last issue date: 02/09/2012


Application No.Application TitleIssue Date
20120031882System and Method for Supplying Fluids to a Plasma Arc Torch
A system for supplying fluids to a plasma arc torch includes a single-gas power supply for regulating supply of electrical power to the plasma arc torch and for regulating supply of a first fluid to the plasma arc torch, a flow regulator for regulating supply of a secon...
02/09/2012
20110248003TORCH ASSEMBLY
A demountable plasma torch assembly suitable for use in ICP spectrometry comprises a first tube having an inner diameter and a second tube disposed concentrically within the first tube, wherein the second tube has an outer diameter that is less than the inner diameter o...
10/13/2011
20110168681HYBRID SHIELD DEVICE FOR A PLASMA ARC TORCH
A shield device for a plasma arc torch includes an inner shield member defining an inner auxiliary gas chamber and an outer shield member surrounding the inner shield member. An outer auxiliary gas chamber is defined between the inner shield member and outer shield memb...
07/14/2011
20110155702PULSE WIDTH MODULATION CONTROL OF GAS FLOW FOR PLASMA CUTTING AND MARKING
Gas flow control for a plasma arc torch is provided. More particularly, a method and apparatus to modulate the pressure and flow from a plasma arc torch is provided. Cyclic pulsing of a flow control valve between states of fully open and fully closed provides for a rela...
06/30/2011
20100264120Plasma Torch Head, Plasma Torch Shaft and Plasma Torch
A plasma torch head, a plasma torch shaft and a plasma torch for providing a quick and simple possibility of changing the plasma torch head are described....
10/21/2010
20100200549Microplasma Spray Apparatus and Method for Coating Articles Using Same
A microplasma spray coating apparatus includes a microplasma apparatus with an anode, cathode, and an arc generator for generating an electric arc between the anode and cathode. An arc gas emitter injects inert gas through the electric arc. The electric arc is operable ...
08/12/2010
20100044352APPARATUS FOR UNIFORMLY GENERATING ATMOSPHERIC PRESSURE PLASMA
An atmospheric pressure plasma generation apparatus is provided for generating plasma at the atmospheric pressure with stable voltage supply. A plasma generation apparatus of the preset invention includes a first conductor arranged to face a workpiece and having a power...
02/25/2010
20090230096Vapor plasma burner
The invention relates to a vapor plasma burner (6) comprising a burner handle (6a) and a burner base (6b). Inside the burner base (6b), a liquid feed pipe (32), a heating device (26), a burner chamber (27...
09/17/2009
20090161719LINEAR ELECTRON SOURCE, EVAPORATOR USING LINEAR ELECTRON SOURCE, AND APPLICATIONS OF ELECTRON SOURCES
An evaporation apparatus for evaporating a material to be deposited is described. The evaporation apparatus includes at least one evaporation crucible having a body with an area for receiving the material to be deposited at one side; a linear electron source being posit...
06/25/2009
20080169272Method and Apparatus for Automatic Gas Control for a Plasma Arc Torch
A method and apparatus for controlling a gas supply to a plasma arc torch uses a proportional control solenoid valve positioned adjacent the torch to manipulate the gas flow to the torch, thereby extending electrode life during arc transfer and shutdown. Swirl ring desi...
07/17/2008
20080121624Plasma Apparatus And System
A twin plasma apparatus including an anode plasma head and a cathode plasma head. Each of the plasma heads includes an electrode and a plasma flow channel and a primary gas inlet between at least a portion of the electrode and the plasma flow channel. The anode plasma h...
05/29/2008
 
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