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Class Information
Number: 219/644
Name: Electric heating > Inductive heating > Specific heating application > Tube (i.e., pipe) > Interior surface
Description: Subject matter wherein the heating is applied to an inner tube wall.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7540316 |
Method for inductive heating and agitation of a material in a channel |
Jun. 2, 2009 |
| 7449663 |
Inductive heating apparatus and method |
Nov. 11, 2008 |
| 6881934 |
Production of a cylindrical housing for a double screw extruder |
Apr. 19, 2005 |
| 6713736 |
Method and apparatus for manufacturing cylindrical member |
Mar. 30, 2004 |
| 6688650 |
Dry disconnect fluidic coupling |
Feb. 10, 2004 |
| 6310334 |
Surface current heating apparatus having spaced-apart hollow heat generating members with conductor extending therethrough |
Oct. 30, 2001 |
| 6285014 |
Downhole induction heating tool for enhanced oil recovery |
Sep. 4, 2001 |
| 6093917 |
High frequency heating coil device |
Jul. 25, 2000 |
| 5994682 |
Induction heating device with a quick disconnect terminal and method of use |
Nov. 30, 1999 |
| 5938964 |
High frequency heating method of a bolt with hole |
Aug. 17, 1999 |
| 5919388 |
Flexible high frequency bar type heater |
Jul. 6, 1999 |
| 5902509 |
Method and apparatus for inductively heating a refractory shaped member |
May. 11, 1999 |
| 5786054 |
Inductive welding of thermoplastic pipe |
Jul. 28, 1998 |
| 5660097 |
Hinge ball for variable capacity wobble plate compressors and hardening coil for hinge ball |
Aug. 26, 1997 |
| 5635094 |
Conformal skate for induction welding |
Jun. 3, 1997 |
| 5523546 |
Apparatus and method of inductively heating a workpiece with a slender bone |
Jun. 4, 1996 |
| 5488219 |
Induction heating coil assembly and method for hardening inner surface of cylinder by using the same |
Jan. 30, 1996 |
| 5468937 |
Impurity removing system for the delivery of high purity gases |
Nov. 21, 1995 |
| 5397876 |
High frequency bolt heater having induction heating coil |
Mar. 14, 1995 |
| 5134264 |
Device for the inductive heating of the inside of cylinder liners of reciprocating-piston engines for the purpose of hardening |
Jul. 28, 1992 |
| 5032700 |
Method of heating thermoplastic bottle of preform and method of controlling temperature of heating member utilized by the heating method |
Jul. 16, 1991 |
| 4849594 |
Method and apparatus for shrink fitting metal liner sleeves into inductor heated engine cylinder bores |
Jul. 18, 1989 |
| 4683361 |
Brazing apparatus having a dual function heating and eddy current probe coil |
Jul. 28, 1987 |
| 4628167 |
Apparatus for inductively hardneing the interior surface of objects |
Dec. 9, 1986 |
| 4625090 |
Apparatus for inductively heat treating workpiece bore walls |
Nov. 25, 1986 |
| 4590347 |
Induced current heating probe |
May. 20, 1986 |
| 4574172 |
Brazing wand with fiber optic temperature sensor |
Mar. 4, 1986 |
| 4538041 |
Rotating induction heating apparatus |
Aug. 27, 1985 |
| 4532396 |
Flexible induction brazing wand for hollow tubes |
Jul. 30, 1985 |
| 4531036 |
Apparatus and method for inductively hardening small bores |
Jul. 23, 1985 |
| 4449281 |
Method of producing multiple-wall, composite tubular structures |
May. 22, 1984 |
| 4418258 |
Method for heat treating metal |
Nov. 29, 1983 |
| 4375997 |
Method of inductively heat treating a thin-walled workpiece to control distortion |
Mar. 8, 1983 |
| 4309583 |
Heat-treating apparatus for prolonging the life of a pressure vessel, especially a reactor pressure vessel |
Jan. 5, 1982 |
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