Assignee
TUTCO INC
US·40 granted patents·1 pending application·595 citations·filing 1978–2015
Top patents by PatentIndex Score
41 records- 0188US7230214B2Metal sheathed heater using splice connection assembly with heat shrinkable tubing, and method of useTUTCO INC·Filed 2005·Granted Jun 12, 2007·27 cites·14 claims
- 0284US6509554B2Support clips and insulators for use in electric heaters and electric heaters containing sameTUTCO INC·Filed 2001·Granted Jan 21, 2003·37 cites·55 claims
- 0384US4194261AHeated wiper arrangementTUTCO INC·Filed 1978·Granted Mar 25, 1980·34 cites·11 claims
- 0483US4531017AInsulator for an electric heaterTUTCO INC·Filed 1983·Granted Jul 23, 1985·40 cites·7 claims
- 0582US4292504AExpanded metal electric heating element with edge supportTUTCO INC·Filed 1979·Granted Sep 29, 1981·47 cites·11 claims
- 0679US6294258B1Appliance windows coated with thermochromic polymer dispersed liquid crystalTUTCO INC·Filed 2000·Granted Sep 25, 2001·24 cites·18 claims
- 0778US5925273AElectric multi-stage heater assemblyTUTCO INC·Filed 1997·Granted Jul 20, 1999·45 cites·12 claims
- 0875US6737616B1Open coil electric resistance heater using twisted resistance wires and methods of makingTUTCO INC·Filed 2003·Granted May 18, 2004·21 cites·19 claims
- 0972US9939171B2Universal electric duct heater and method of useTUTCO INC·Filed 2014·Granted Apr 10, 2018·3 cites·13 claims
- 1072US7947932B2Open coil electric resistance heater with offset coil support and method of useTUTCO INC·Filed 2007·Granted May 24, 2011·8 cites·13 claims
- 1170US7075043B2Standoff for use with uncoiled bare wire and insulated runs of an open coil electric resistance heater, method of use, and an open coil resistance heater using the standoffTUTCO INC·Filed 2004·Granted Jul 11, 2006·15 cites·22 claims
- 1270US6057529ACombination temperature sensor, warning light sensor and light indicator for heating elementsTUTCO INC·Filed 1998·Granted May 2, 2000·32 cites·7 claims
- 1370US4675511AElectric heater having an insulator with sloped guide surfaces and notches receiving a heater coilTUTCO INC·Filed 1985·Granted Jun 23, 1987·25 cites·7 claims
- 1469US6723968B2Conductive U-shaped jumper strap and method of useTUTCO INC·Filed 2003·Granted Apr 20, 2004·12 cites·8 claims
- 1568US4692599ACoil support insulator for an electric heaterTUTCO INC·Filed 1985·Granted Sep 8, 1987·22 cites·6 claims
- 1667US6624398B2Insulator support structure for a heater assemblyTUTCO INC·Filed 2001·Granted Sep 23, 2003·13 cites·75 claims
- 1767US6593554B2Method and apparatus for mounting a heater thermostat and temperature sensitive fuseTUTCO INC·Filed 2002·Granted Jul 15, 2003·11 cites·29 claims
- 1867US5895597AElectric heater support and mounting assemblyTUTCO INC·Filed 1996·Granted Apr 20, 1999·27 cites·21 claims
- 1966US7154072B2Method of using open coil resistance heater in appliances with right and left hand installation capabilityTUTCO INC·Filed 2004·Granted Dec 26, 2006·9 cites·2 claims
- 2066US4458141AElectric heater and coil support insulator thereforTUTCO INC·Filed 1980·Granted Jul 3, 1984·21 cites·12 claims
- 2165US6884974B2Mica board electrical resistance wire heater, subassemblies, components, and methods of assemblyTUTCO INC·Filed 2003·Granted Apr 26, 2005·12 cites·22 claims
- 2265US6825449B2Cooling controller with push-to-turn rotary switchTUTCO INC·Filed 2002·Granted Nov 30, 2004·12 cites·12 claims
- 2365US6596974B2Support apparatus for resistive coils and insulators in electric heatersTUTCO INC·Filed 2001·Granted Jul 22, 2003·10 cites·19 claims
- 2464US6794770B2Interface control switchTUTCO INC·Filed 2002·Granted Sep 21, 2004·12 cites·19 claims
- 2560US9408257B2Silicone band cable heater assembly, method of making and method of useTUTCO INC·Filed 2013·Granted Aug 2, 2016·4 cites·19 claims
- 2660US7442904B2Metal sheathed heater and thermostat assembly and method of useTUTCO INC·Filed 2006·Granted Oct 28, 2008·2 cites·5 claims
- 2760US6770855B2Methods of assembling open coil electrical resistance heaters involving butt welding of rails and using welded insulator support clips with bendable tabsTUTCO INC·Filed 2003·Granted Aug 3, 2004·7 cites·7 claims
- 2858US6844531B2Conduit ready electric belly-band heater and method of useTUTCO INC·Filed 2003·Granted Jan 18, 2005·8 cites·20 claims
- 2957US7928342B2Metal sheathed heater with solid state control deviceTUTCO INC·Filed 2008·Granted Apr 19, 2011·1 cites·13 claims
- 3057US4617547AHeater assemblyTUTCO INC·Filed 1984·Granted Oct 14, 1986·14 cites·17 claims
- 3149US6600141B1Thermostat assembly for a heaterTUTCO INC·Filed 2002·Granted Jul 29, 2003·4 cites·62 claims
- 3249US2010300541A1HVAC branch line, method of making, and method of useTUTCO INC·Filed 2009·Application pending·0 cites
- 3347US7075042B2Solid state heater assembly, heater subassembly and methods of assemblyTUTCO INC·Filed 2003·Granted Jul 11, 2006·3 cites·20 claims
- 3446US6621056B2Heater assembly with a non-uniform cross sectionTUTCO INC·Filed 2001·Granted Sep 16, 2003·2 cites·49 claims
- 3546US4559412ACoil support insulator for an electric heaterTUTCO INC·Filed 1984·Granted Dec 17, 1985·9 cites·6 claims
- 3645US4628190ADuct heaterTUTCO INC·Filed 1984·Granted Dec 9, 1986·8 cites·5 claims
- 3743US8367985B2Mica board electric resistance wire heater and method of useTUTCO INC·Filed 2010·Granted Feb 5, 2013·0 cites·5 claims
- 3842US4730377AMethod for making a duct heaterTUTCO INC·Filed 1986·Granted Mar 15, 1988·7 cites·4 claims
- 3935US10039156B2Conduit ready electric belly band heater using single housing and method of useTUTCO INC·Filed 2015·Granted Jul 31, 2018·0 cites·10 claims
- 4032US4848567AHeating device having a removable carrierTUTCO INC·Filed 1987·Granted Jul 18, 1989·6 cites·6 claims
- 4130US5623126ACeramic terminal assemblyTUTCO INC·Filed 1994·Granted Apr 22, 1997·1 cites·23 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →