HH

H. Keith Howard

TU Tutco: 7 patents #4 of 19Top 25%
Overall (All Time): #585,372 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7154072 Method of using open coil resistance heater in appliances with right and left hand installation capability James L. Sherrill 2006-12-26
7075043 Standoff 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 standoff James L. Sherrill 2006-07-11
6884974 Mica board electrical resistance wire heater, subassemblies, components, and methods of assembly Robert Kirby 2005-04-26
5329098 Open coil heater for efficient transport Jimmy L. Sherrill 1994-07-12
5324919 Open coil heater for efficient transport with nestable heating elements Jimmy L. Sherrill 1994-06-28
4692599 Coil support insulator for an electric heater Jimmy L. Sherrill 1987-09-08
4617547 Heater assembly Jimmy L. Sherrill, Robert Kirby 1986-10-14
4559412 Coil support insulator for an electric heater Jimmy L. Sherrill 1985-12-17
4458141 Electric heater and coil support insulator therefor Jimmy L. Sherrill 1984-07-03