Patent ID: 11910509
Assignee: WHIRLPOOL CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 20:
21. The method of claim 19, further comprising:
d) after a predetermined time period, interrupting power to the at least one coil that is powered;
e) providing power instead to at least one different coil of the group of coils while also not providing power to coils of the group of coils underlying the cookware item that are adjacent to each other either on a longer side or on a shorter side;
f) after a predetermined time period, power is interrupted to the at least one different coil that is powered;
g) determining whether all of the coils in the group of coils have been powered;
h) repeating steps d) and e) until all of the coils in the group of coils have been powered;
i) determining whether a user has shut off the power to the cooktop; and
j) repeating steps b) through h) until the user has shut off the power to the cooktop.