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Class Information
Number: 219/236
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) > Coil or loop-type heating element
Description: Subject matter wherein the electrical heater of the hand held tool or instrument comprises a coiled or looped wire resistance heater.










Sub-classes under this class:

Class Number Class Name Patents
219/238 Detachable tip 59
219/237 Integral with tip 23


Patents under this class:

Patent Number Title Of Patent Date Issued
8369694 Portable vaporizing dispenser Feb. 5, 2013
8313042 Gas dynamic cold spray unit Nov. 20, 2012
7672838 Systems and methods for speech recognition using frequency domain linear prediction polynomials to form temporal and spectral envelopes from frequency domain representations of signals Mar. 2, 2010
7608805 Control system for battery powered heating device Oct. 27, 2009
7592572 Compressed cartridge heater Sep. 22, 2009
7554064 Method for sealing electrical heating elements Jun. 30, 2009
7372007 Medium voltage heater element May. 13, 2008
7259356 Temperature self-regulating soldering iron with removable tip Aug. 21, 2007
7195739 Aromatic container heater Mar. 27, 2007
6919537 Electric heat sealer Jul. 19, 2005
6860880 Electrothermal instrument for sealing and joining or cutting tissue Mar. 1, 2005
5947585 Heated cover for flashlight used in cold weather Sep. 7, 1999
5451224 Apparatus for radio frequency bipolar electrosurgery Sep. 19, 1995
5401273 Cauterizing instrument for surgery Mar. 28, 1995
5329085 Temperature self regulating heaters and soldering irons Jul. 12, 1994
5170039 Multifunction toaster Dec. 8, 1992
5142117 Proximity heater for an ultrasonic bonding tool Aug. 25, 1992
5117091 Soldering gun May. 26, 1992
5105065 Electrically heated branding device Apr. 14, 1992
5007574 Desoldering device Apr. 16, 1991
4956543 Branding device having ceramic type block with embedded electric heating element Sep. 11, 1990
4948946 Electric soldering iron with directed air flow for fume dissipation Aug. 14, 1990
4892995 Electric portable desoldering iron Jan. 9, 1990
4886995 Heater for indirectly-heated cathode Dec. 12, 1989
4883942 Low voltage heating element for portable tools Nov. 28, 1989
4839501 Cartridge soldering iron Jun. 13, 1989
4766289 Light weight, very fast temperature compensating soldering iron Aug. 23, 1988
4697066 Electric hair curling waved with improved heating element arrangement Sep. 29, 1987
4641010 Battery powered electric hair curler Feb. 3, 1987
4626658 Electrically heated tool for soldering pipe connector sleeves Dec. 2, 1986
4621251 Electric resistance heater assembly Nov. 4, 1986
4607151 Soldering iron with fume suction tube Aug. 19, 1986
4568819 Pressure-sensitive electric soldering/desoldering tool Feb. 4, 1986
4481948 Medical instrument, and methods of constructing and utilizing same Nov. 13, 1984
4463247 Soldering iron having electric heater unit with improved heat transfer characteristics Jul. 31, 1984
4459463 Soldering iron handle structure Jul. 10, 1984
4439667 Desoldering device and improved heater assembly therefor Mar. 27, 1984
4438322 Ceramic coated electric heater assembly for tools Mar. 20, 1984
4435636 Desoldering tool Mar. 6, 1984
4435635 Heat barrier for desolderer and heater assembly Mar. 6, 1984
4431903 Soldering iron with flat blade heating element Feb. 14, 1984
4367744 Medical instrument, and method of utilizing same Jan. 11, 1983
4358660 Collapsible electric hair curling iron Nov. 9, 1982
4358661 Electric soldering iron with vibratory soldering bit Nov. 9, 1982
4289953 Electrically heated solder extractor Sep. 15, 1981
4206864 Electrically heated high speed de-soldering tool Jun. 10, 1980
4086465 Electric soldering iron Apr. 25, 1978
3980861 Electrically heated miniature thermal implement Sep. 14, 1976
3963897 Electrically heated solder removing bit Jun. 15, 1976
3943326 Temperature control circuit for a hand held soldering tool Mar. 9, 1976











 
 
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