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Class Information
Number: 425/174.8R
Name: Plastic article or earthenware shaping or treating: apparatus > Means applying electrical or wave energy directly to work > Electro-static or inductive field
Description:


Sub-classes under this class:

Class Number Class Name Patents
425/174.8E Electro-static 244


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7531122 Polymer welding using ferromagnetic particles May. 12, 2009
7465159 Fiber charging apparatus Dec. 16, 2008
7419631 Moulds for transforming plastic and composite materials and related transformation method Sep. 2, 2008
7351052 Apparatus for producing nanofiber utilizing electospinning and nozzle pack for the apparatus Apr. 1, 2008
7326043 Apparatus and method for elevated temperature electrospinning Feb. 5, 2008
7276271 Polymer fiber tubular structure having kinking resistance Oct. 2, 2007
7244116 Apparatus for improving mechanical characteristics of nonwoven materials Jul. 17, 2007
7232302 Apparatus for continuously shaping an undulating profile into a plate of polymeric material Jun. 19, 2007
7232299 Flow molding apparatus with multiple layers of molds and electrodes Jun. 19, 2007
7134857 Electrospinning of fibers using a rotatable spray head Nov. 14, 2006
7132632 High frequency induction heater built in an injection mold Nov. 7, 2006
7112293 Method and apparatus for manufacturing polymer fiber shells via electrospinning Sep. 26, 2006
7086846 Electro spinning of submicron diameter polymer filaments Aug. 8, 2006
7084380 Raw tire preheating method and apparatus therefor Aug. 1, 2006
6991702 Electronic spinning apparatus Jan. 31, 2006
6984352 Dielectric mold for uniform heating and molding of polymers and composites in microwave ovens Jan. 10, 2006
6942901 Fabrication of particulate tapes by electrophoretic deposition Sep. 13, 2005
6783722 Apparatus and method for producing a nonwoven web of filaments Aug. 31, 2004
6776949 Polymer welding using ferromagnetic particles Aug. 17, 2004
6761548 Isotat for the treatment of materials in liquid Jul. 13, 2004
6744025 Apparatus for hot-pressing a planar product Jun. 1, 2004
6716022 Biodegradable and edible feed packaging materials Apr. 6, 2004
6604925 Device for forming a filtering material Aug. 12, 2003
6561787 Apparatus for forming biodegradable and edible feed packaging materials May. 13, 2003
6464814 Method for molding an end of a long resin molded article Oct. 15, 2002
6410895 Induction heating coil unit for manifold in hot runner mold Jun. 25, 2002
6383435 Method and apparatus for expanding and conferring a cup shape to the terminal junction segment of bi-axially oriented pipes made of thermoplastic material May. 7, 2002
6340442 Method and apparatus for producing molded tubular objects from polymer concrete Jan. 22, 2002
6309582 Method for making insignias with raised designs including two pressing steps Oct. 30, 2001
6231803 Method for stretching plastic nets and grids apparatus for performing the method May. 15, 2001
6220846 Apparatus for expanding and conferring a cup shape to the terminal junction segment of bi-axially oriented pipes made of thermoplastic material Apr. 24, 2001
6221301 Method of producing thermoplastic resin films and apparatus for producing the same Apr. 24, 2001
6211503 Device and method of heating components made of microwave absorbing plastic Apr. 3, 2001
6203306 Apparatus for manufacturing a rubber-metal plate composite Mar. 20, 2001
6109903 Apparatus for manufacturing a rubber-metal plate composite Aug. 29, 2000
6033198 Apparatus for the formation and polarization of micromagnets Mar. 7, 2000
6008480 Induction heating apparatus and method for fusing battery cell terminals Dec. 28, 1999
6001299 Process and apparatus for manufacturing an electret article Dec. 14, 1999
5942259 Method and apparatus of controlling temperature of injection preform for stretch blow molding Aug. 24, 1999
5939012 Method and apparatus for manufacture of carbonaceous articles Aug. 17, 1999
5935476 Device for heating a press tool using magnetic induction heating; press having such a device, and method of manufacture Aug. 10, 1999
5876656 Method of fabricating a molding Mar. 2, 1999
5872352 Swingable induction heating chamber for melting ingot for metal casting Feb. 16, 1999
5837183 Golf ball molding method and apparatus Nov. 17, 1998
5834743 Induction heating apparatus and method for fusing intercell connectors to battery cell terminals Nov. 10, 1998
5834037 Apparatus for making insignias with raised designs Nov. 10, 1998
5800839 Plastic magnet injection molding machine Sep. 1, 1998
5770143 Method for liquid thermosetting resin molding using radiofrequency wave heating Jun. 23, 1998
5762972 Apparatus for heating a mold for an injection molding system Jun. 9, 1998
5653778 Molding device comprising microwave generator and a microwave oven Aug. 5, 1997

1 2 3 4


 
 
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