Patents in subclass Electric Heating/By Ultrasonic Or Acoustic

Parent class: Electric Heating

Number Patent title Issue Date
06964364 Weld guidance system and method

A method and guidance system for accurately positioning a welding torch relative to a desired weld path. The method and system are based on ultrasonic sensing of information relating to the distance between the welding torch and surfaces...
11/15/2005
06917024 Heating apparatus in microwave oven

A heating apparatus for use in a microwave oven includes a tray which is used as a medium of an ultrasonic oscillator. The heating apparatus has a cavity formed inside of a case of the apparatus. A tray is installed inside of the cavity,...
07/12/2005
06858825 Device and method for preventing superheating of liquids in a microwave oven

A safety device for reducing the likelihood of superheating a liquid includes a transducer disposed on a support surface proximate to a placed container containing a liquid. The transducer generates a vibrational force in the container...
02/22/2005
06583392 Apparatus and method for determining properties of a cooktop using ultrasound techniques

An apparatus for determining at least one property of a cooktop is provided. The cooktop includes a cooktop surface and a vessel selectively positioned on the cooktop surface. The apparatus comprises an ultrasound transducer contacting...
06/24/2003
06299920 Systems and method for non-invasive assessment of cooked status of food during cooking

A non-contact system and method is provided for effectively approximating the internal temperature of food being cooked upon a cooking surface of a cooking apparatus, such as a grill or griddle. Ultrasound or infrared, non-contact...
10/09/2001