Inventor · disambiguated record
H. Keith Howard
Also filed as: HOWARD H K · HOWARD H KEITH
11 granted patents·2 pending applications·255 citations·filing 1974–2009
92Inventor score
Top patents by PatentIndex Score
13 records- 0194US3986914AHeat-sealing method for plastic containersULY PAK INC·Filed 1974·Granted Oct 19, 1976·87 cites·11 claims
- 0280US5329098AOpen coil heater for efficient transportADAMS IND INC·Filed 1992·Granted Jul 12, 1994·38 cites·6 claims
- 0370US7075043B2Standoff 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
- 0470US3988184AMethod for applying closure strips to plastic filmULY PAK INC·Filed 1974·Granted Oct 26, 1976·21 cites·23 claims
- 0568US4692599ACoil support insulator for an electric heaterTUTCO INC·Filed 1985·Granted Sep 8, 1987·22 cites·6 claims
- 0666US7154072B2Method 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
- 0766US4458141AElectric heater and coil support insulator thereforTUTCO INC·Filed 1980·Granted Jul 3, 1984·21 cites·12 claims
- 0865US6884974B2Mica board electrical resistance wire heater, subassemblies, components, and methods of assemblyTUTCO INC·Filed 2003·Granted Apr 26, 2005·12 cites·22 claims
- 0957US4617547AHeater assemblyTUTCO INC·Filed 1984·Granted Oct 14, 1986·14 cites·17 claims
- 1055US2010059504A1Open coil resistance heater with right and left hand installation capabilitySHERRILL JAMES L·Filed 2009·Application pending·0 cites
- 1149US2007075070A1Open coil resistance heater with right and left hand installation capabilitySHERRILL JAMES L·Filed 2006·Application pending·0 cites
- 1246US4559412ACoil support insulator for an electric heaterTUTCO INC·Filed 1984·Granted Dec 17, 1985·9 cites·6 claims
- 1339US5324919AOpen coil heater for efficient transport with nestable heating elementsADAMS IND INC·Filed 1994·Granted Jun 28, 1994·7 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →