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Class Information
Number: 219/749
Name: Electric heating > Microwave heating > Field modification > With power feed structure > Radiator (e.g., antenna, etc.) > Rotating
Description: Subject matter wherein the radiator (antenna) moves about its axis while radiating microwave energy.

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
4434345 Microwave system for frost protection of fruit trees Feb. 28, 1984
4431888 Microwave oven with improved feed structure Feb. 14, 1984
4430541 Combination microwave gas convection oven Feb. 7, 1984
4430539 High-frequency heating device Feb. 7, 1984
4430538 High-frequency heating device Feb. 7, 1984
4424430 Energy feed system for a microwave oven Jan. 3, 1984
4421968 Microwave oven having rotating conductive radiators Dec. 20, 1983
4414453 Microwave oven feed apparatus Nov. 8, 1983
4412117 Microwave oven feed system Oct. 25, 1983
4410779 Combination microwave oven control system Oct. 18, 1983
4350859 Microwave oven feed system Sep. 21, 1982
4342896 Radiating mode stirrer heating system Aug. 3, 1982
4335290 Microwave oven blower radiator Jun. 15, 1982
4335289 Microwave oven Jun. 15, 1982
4327267 High frequency energy supply in a high frequency heating appliance Apr. 27, 1982
4327266 Microwave ovens for uniform heating Apr. 27, 1982
4326112 Microwave oven having a tubular L-shaped antenna Apr. 20, 1982
4324967 Microwave heating apparatus having magnetic coupling for driving the antenna Apr. 13, 1982
4316069 Microwave oven excitation system Feb. 16, 1982
4314127 Microwave oven with rotating multiport radiator Feb. 2, 1982
4304974 Energy supply structure for combined resistance heater for H. F. heater oven Dec. 8, 1981
4284868 Microwave oven Aug. 18, 1981
4208562 Cavity feed system Jun. 17, 1980
4185181 Microwave oven Jan. 22, 1980
4176266 Microwave heating apparatus Nov. 27, 1979
4037071 Method and apparatus for improved distribution of microwave power in a microwave cavity Jul. 19, 1977
4028519 Modular power supply and waveguide construction for microwave oven Jun. 7, 1977
4028520 Air flow system for common cavity microwave oven Jun. 7, 1977
4028521 Antenna construction for microwave oven Jun. 7, 1977

1 2

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