Inventor
HOWARD H KEITH
US11 patents
⚠️ This page may combine multiple inventors who share the name “HOWARD H KEITH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TUTCO INC
7 patentsUS6884974B2Apr 26, 2005
Mica board electrical resistance wire heater, subassemblies, components, and methods of assembly
TUTCO INC12 citations83
US7075043B2Jul 11, 2006
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
TUTCO INC15 citations81
US4692599ASep 8, 1987
Coil support insulator for an electric heater
TUTCO INC22 citations81
US4458141AJul 3, 1984
Electric heater and coil support insulator therefor
TUTCO INC21 citations81
US4559412ADec 17, 1985
Coil support insulator for an electric heater
TUTCO INC9 citations73
US4617547AOct 14, 1986
Heater assembly
TUTCO INC14 citations72
US7154072B2Dec 26, 2006
Method of using open coil resistance heater in appliances with right and left hand installation capability
TUTCO INC9 citations71