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Class Information
Number: 219/233
Name: Electric heating > Heating devices > Tool or instrument > Hand-manipulative > With heated tip or other heat concentration means (i.e., heat applied to localized area) > Tip in electrical circuit
Description: Subject matter wherein the heated tip is in an electrical circuit and the tip itself or the tip and a highly resistive element part of the same circuit form the electrical heater of the tool or instrument.

Sub-classes under this class:

Class Number Class Name Patents
219/235 With transformer secondary 18
219/234 Work in circuit 39

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8650760 Heated cutting blade, cutting head, and blade mounting structure Feb. 18, 2014
8028437 Hair dryer and vacuum device Oct. 4, 2011
7626140 Soldering iron having a quickly detachable tip utilizing a retractable insulated gripping mechanism Dec. 1, 2009
7608805 Control system for battery powered heating device Oct. 27, 2009
7534978 Process chamber of an installation for the thermal treatment of printed circuit boards May. 19, 2009
6998577 Table-top electric heat sealer Feb. 14, 2006
6898997 Apparatus and method for stripping insulated wire May. 31, 2005
6860880 Electrothermal instrument for sealing and joining or cutting tissue Mar. 1, 2005
6770849 Table-top electric heat sealer Aug. 3, 2004
6726683 Electrically heated surgical cutting instrument Apr. 27, 2004
6692692 Dental drill sterilization through application of high amperage current Feb. 17, 2004
6683280 Apparatus and method for prosthesis securement Jan. 27, 2004
6652175 Structure of a heating nozzle for a glue gun Nov. 25, 2003
6482200 Cautery apparatus and method Nov. 19, 2002
6423950 Reflow soldering apparatus Jul. 23, 2002
6335515 Electric heat sealer with offset sealer portion Jan. 1, 2002
6323461 Clamps with shape memory Nov. 27, 2001
6123251 Apparatus and method for soldering Sep. 26, 2000
6064038 Hand-held electric sealer with detachable heat resistant cover sheet May. 16, 2000
5864118 Soldering instrument with heated tip and protective heat shield associated therewith Jan. 26, 1999
5855061 Method of making flat loop bipolar electrode tips for electrosurgical instrument Jan. 5, 1999
5807392 Resistively heated cutting and coagulating surgical instrument Sep. 15, 1998
5690847 Pivotal tweezer having gears and self-regulating curie-point heaters Nov. 25, 1997
5688265 Battery powered cautery assembly Nov. 18, 1997
5676580 Model airplane and kit therefor Oct. 14, 1997
5650081 Thermode solder blade with electric heater greater than four ohms Jul. 22, 1997
5641418 Pen base electric heat sealer Jun. 24, 1997
5611798 Resistively heated cutting and coagulating surgical instrument Mar. 18, 1997
5569400 Soldering gun with U-shaped insertable terminal structure and tip having differing impedance layers Oct. 29, 1996
5495093 Soldering apparatus processor having temperature selection, calibration and heating control of tip Feb. 27, 1996
5452633 Process and device for the thermal cutting of a running, meltable fabric run Sep. 26, 1995
5451224 Apparatus for radio frequency bipolar electrosurgery Sep. 19, 1995
5374806 Pen base electric heat sealer Dec. 20, 1994
5351580 Electrically heated wire stripping device Oct. 4, 1994
5247157 Apparatus for developing heat within conductive materials using heat-resistant ribbon heaters Sep. 21, 1993
5241156 Hand-held heating device for electrical component installation/removal and improved tips for use therewith Aug. 31, 1993
5229575 Thermode structure having an elongated, thermally stable blade Jul. 20, 1993
5140133 Electrical impulse hot hole punch for making a tear-resistant hole in thermoplastic film Aug. 18, 1992
5109147 Soldering tip for magnetic wire hookup Apr. 28, 1992
5101094 Device for thermically cutting of textile material Mar. 31, 1992
5073696 Electrically heated wax shaping tool Dec. 17, 1991
5068510 Soldering means which has at least one stirrup electrode which can be heated by electrical resistance Nov. 26, 1991
5066849 Soldering iron for surface mounted components Nov. 19, 1991
5064993 Hair treating implement with a heated wire element Nov. 12, 1991
5064994 Fast-heating high-temperature fiber cutting tool Nov. 12, 1991
5032702 Tool for soldering and desoldering electrical terminations Jul. 16, 1991
5016804 Soldering apparatus having at least one stirrup electrode May. 21, 1991
5016500 Battery powered temperature-controlled wire stripper May. 21, 1991
5010227 Soldering apparatus and method of using the same Apr. 23, 1991
4956543 Branding device having ceramic type block with embedded electric heating element Sep. 11, 1990

1 2 3

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