TUTCO, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2982
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 621
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 228
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
D06F LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES 139
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F23Q IGNITION 116
 
  
 
F24D DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR 119
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 173

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2012/0111,853 FOLDABLE ELECTRIC RESISTANCE HEATER AND METHOD OF USENov 05, 10May 10, 12[H05B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9408257 Silicone band cable heater assembly, method of making and method of useDec 20, 13Aug 02, 16[H05B, H01R]
9386634 Electrical resistance heater assembly and method of useApr 15, 11Jul 05, 16[H05B]
9320083 Multiple stage open coil electric resistance heater with balanced coil power arrangement and method of useJan 31, 13Apr 19, 16[F24H, H05B]
9212451 Two level electric resistance heater and method of useJan 06, 12Dec 15, 15[F24H, D06F, H05B, F26B]
9095004 Insulator for open coil electrical resistance heater, heater using same, and method of useSep 10, 12Jul 28, 15[H05B]
8923690 Close quarter electric resistance heater and method of useAug 06, 10Dec 30, 14[H05B, F24D]
8367985 Mica board electric resistance wire heater and method of useApr 20, 10Feb 05, 13[H05B]
8278605 Multiple stage open coil electric resistance heater with balanced coil arrangement and heater cool end termination and method of useJul 23, 08Oct 02, 12[H05B, H01C]
7947932 Open coil electric resistance heater with offset coil support and method of useNov 30, 07May 24, 11[H05B, H01C]
7928342 Metal sheathed heater with solid state control deviceFeb 29, 08Apr 19, 11[H05B, F23Q]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0300,541 HVAC branch line, method of making, and method of useAbandonedJun 02, 09Dec 02, 10[F16L, F17D, B21D]
2008/0230,619 Heating or heating and air conditioning unit with noise abatement feature and method of useAbandonedMar 14, 08Sep 25, 08[H05B]
6825449 Cooling controller with push-to-turn rotary switchExpiredApr 26, 02Nov 30, 04[H05B]
6794770 Interface control switchExpiredApr 26, 02Sep 21, 04[H02B, H01C, H01H]
6770855 Methods of assembling open coil electrical resistance heaters involving butt welding of rails and using welded insulator support clips with bendable tabsExpiredApr 02, 03Aug 03, 04[H05B]
6396033 Sump heater for air conditioning compressorExpiredMay 11, 01May 28, 02[H05B]
6294258 Appliance windows coated with thermochromic polymer dispersed liquid crystalExpiredMay 18, 00Sep 25, 01[B23B]
6223580 Method and apparatus for continuous monitoring and amplitude adjustment of adjustable length heating elementExpiredJan 04, 00May 01, 01[B21C]
6183239 Injection molding machine valve gate nozzleExpiredJan 20, 99Feb 06, 01[B29C]
6074195 Hot runner nozzle with laminar flow pin point tipExpiredDec 08, 98Jun 13, 00[B29C]
6057529 Combination temperature sensor, warning light sensor and light indicator for heating elementsExpiredMay 29, 98May 02, 00[H05B]
5050421 Hand tool for fastening a terminal in an insulatorExpiredFeb 08, 90Sep 24, 91[H01R]
4848567 Heating device having a removable carrierExpiredNov 03, 87Jul 18, 89[B65D]
4730377 Method for making a duct heaterExpiredAug 05, 86Mar 15, 88[B23P]
4692599 Coil support insulator for an electric heaterExpiredOct 08, 85Sep 08, 87[H05B, H01B]
4675511 Electric heater having an insulator with sloped guide surfaces and notches receiving a heater coilExpiredJul 02, 85Jun 23, 87[H05B]
4628190 Duct heaterExpiredOct 10, 84Dec 09, 86[H05B]
4617547 Heater assemblyExpiredApr 20, 84Oct 14, 86[H01C]
4559412 Coil support insulator for an electric heaterExpiredApr 06, 84Dec 17, 85[H05B, H01B]
4531017 Insulator for an electric heaterExpiredNov 25, 83Jul 23, 85[H05B, H01B]

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