| Patents for H05B 6 - Heating by electric, magnetic, or electromagnetic fields (31,446) |
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| 04/04/1978 | US4082936 Device and method for heating die |
| 04/04/1978 | US4082544 Electric induction heating of materials of low electrical conductivity |
| 03/28/1978 | US4081647 Energy seal for a microwave oven |
| 03/28/1978 | US4081646 Device for microwave cooking |
| 03/28/1978 | US4081645 Temperature controlled microwave oven |
| 03/21/1978 | US4080564 Metal oxide sintered substrate |
| 03/21/1978 | US4080524 Adjustable controller for microwave food preparation |
| 03/21/1978 | US4080168 Method and apparatus for the wet digestion of organic and biological samples |
| 03/14/1978 | US4079222 Continuous heating induction furnace |
| 03/14/1978 | US4079221 Microwave oven having waveguide feed with phase shifter |
| 02/28/1978 | US4076996 Power supplier for magnetron |
| 02/28/1978 | US4076606 Method of decomposing nitrogen oxide (NOx) |
| 02/21/1978 | US4075450 Induction heater for forging bar stock |
| 02/14/1978 | US4074102 Microwave oven rack |
| 02/14/1978 | US4074101 Induction heating apparatus using a pair of inversely parallel connected gate-controlled switching devices |
| 02/07/1978 | CA1025799A2 Apparatus and techniques for producing high frequency electromagnetic waves inside a material |
| 01/31/1978 | US4070740 Continuous production hot-setting installation |
| 01/24/1978 | US4070542 Production of beta-alumina ceramic articles and furnace therefor |
| 01/10/1978 | US4067683 Method and apparatus for controlling fluency of high viscosity hydrocarbon fluids |
| 12/27/1977 | US4065802 Inverter circuit for induction heating cooking ovens with a protection device |
| 12/27/1977 | US4065655 Microwave leakage indicator strip |
| 12/27/1977 | US4065654 Microwave oven adjusting (energy distribution) and tuning arrangement |
| 12/27/1977 | US4065369 Microwave energy |
| 12/27/1977 | US4065361 Microwave energy |
| 12/13/1977 | US4062127 Method for the continuous drying of wet, granular and/or lumpy materials and device for carrying out the method |
| 12/06/1977 | US4061451 Installation for the zonal treatment of elongated products |
| 11/29/1977 | US4060707 Balancing device and method for a rotating body |
| 11/29/1977 | US4060692 Induction melting furnace |
| 11/29/1977 | US4060443 Device for the heat-sealing of thermoplastic material or paper material coated with thermoplastics |
| 11/22/1977 | US4059742 Microwave seal for combination cooking apparatus |
| 11/15/1977 | US4058696 Induction heating apparatus comprising a static converter |
| 11/15/1977 | US4058205 Apparatus for treating oil shale |
| 11/08/1977 | US4057702 Process and plant for the fritting of ceramic products |
| 11/08/1977 | US4056883 Heated roll inductive heater construction |
| 10/25/1977 | US4055740 Induction heating apparatus using a saturable reactor for power control purposes |
| 10/18/1977 | US4054770 Induction heating of strip and other elongate metal workpieces |
| 10/18/1977 | US4054769 Microwave oven interlock switch safety |
| 10/18/1977 | US4054768 System for increasing visibility and microwave distribution within a microwave oven |
| 10/11/1977 | US4053731 Microwave energy oven seal |
| 10/11/1977 | US4053730 Microwave oven shaft seal |
| 10/11/1977 | US4053277 Apparatus and method for heating threads |
| 10/04/1977 | US4052139 Method and apparatus for improving the energy yield of a reaction |
| 09/27/1977 | US4051341 Microwave oven door screen |
| 09/20/1977 | US4049939 Microwave and radiant window for oven doors |
| 09/20/1977 | US4049938 Microwave oven |
| 09/13/1977 | US4048458 Induction heating core structure and method of heating |
| 09/06/1977 | US4047092 High frequency inverter |
| 09/06/1977 | US4046983 Microwave heating oven having seal means for preventing the leakage of microwave energy |
| 08/30/1977 | US4045640 Stay-hot control for microwave oven |
| 08/30/1977 | US4045639 Continuous microwave and vacuum dryer |
| 08/30/1977 | US4045638 Continuous flow heat treating apparatus using microwaves |
| 08/23/1977 | US4043722 Apparatus for heat curing electrical insulation provided on a central electrical conductor of an electrical cable |
| 08/16/1977 | US4042850 Microwave generated radiation apparatus |
| 08/09/1977 | US4041544 DC to AC inverter having improved switching efficiency, overload and thermal protection features |
| 08/09/1977 | US4041267 Microwave oven power control circuit |
| 08/09/1977 | US4041266 Sensor and tray arrangement |
| 08/09/1977 | US4041236 Furnace having ceramic heating elements |
| 08/02/1977 | US4039796 Microwave oven having improved conveying means |
| 08/02/1977 | US4039795 Apparatus for transporting materials for treatment of said materials in a microwave unit |
| 08/02/1977 | US4039794 Apparatus and method for heating ferromagnetic abrasive shot |
| 07/26/1977 | US4038595 Self-exited high-frequency generator |
| 07/26/1977 | US4038518 Dining table combined with food warming apparatus |
| 07/26/1977 | US4038510 Food temperature control cable for microwave oven |
| 07/26/1977 | US4037479 Method and apparatus for sensor assembly inspection |
| 07/19/1977 | US4037071 Method and apparatus for improved distribution of microwave power in a microwave cavity |
| 07/19/1977 | US4037070 Turntable-type microwave continuous oven |
| 07/19/1977 | US4037044 Power control system for single phase induction melting or heating furnace |
| 07/19/1977 | US4036151 Microwave cooking apparatus with turntable |
| 07/12/1977 | US4035795 Touch keyboard system for digital logic control |
| 07/12/1977 | US4035787 Food temperature responsive control apparatus |
| 07/12/1977 | US4035745 Circuit for the production of an open alternating magnetic field |
| 07/12/1977 | US4035599 Control system for non-resonant microwave dryers |
| 07/12/1977 | US4035598 Apparatus for thermally treating polymeric workpieces with microwave energy |
| 07/12/1977 | US4035223 Laminating traveling press and method |
| 07/12/1977 | US4035129 Continuous curing device for longitudinally extended products |
| 07/05/1977 | US4033009 Handles for supporting a dish or the like in a microwave oven |
| 06/28/1977 | US4032910 Portable |
| 06/28/1977 | US4032740 Two-level temperature control for induction heating |
| 06/14/1977 | US4029927 Microwave water heater |
| 06/14/1977 | US4029926 Work coil for use in an induction cooking appliance |
| 06/07/1977 | US4028521 Antenna construction for microwave oven |
| 06/07/1977 | US4028520 Air flow system for common cavity microwave oven |
| 06/07/1977 | US4028519 Modular power supply and waveguide construction for microwave oven |
| 06/07/1977 | US4028517 Microwave oven |
| 05/31/1977 | US4027133 Microwave radiators |
| 05/31/1977 | US4027132 Microwave pie baking |
| 05/31/1977 | US4026732 Method for induction hardening gear teeth |
| 05/24/1977 | US4025864 Direct current modulator for providing variable double frequency electrical power to a load |
| 05/24/1977 | US4025804 Microwave oven control with mechanical switch lock-out |
| 05/17/1977 | US4024495 Remote temperature change warning system |
| 05/10/1977 | US4023004 Microwave oven power supply and oscillator therefor |
| 05/03/1977 | US4021602 Channel furnace for melting metals and alloys with a single inductor coil assuring the heating and forced circulation of the molten metal |
| 04/26/1977 | US4020311 Microwave power applicator |
| 04/26/1977 | US4020310 Container for inductively heating food |
| 04/19/1977 | US4019010 Microwave oven with uniform electric field distribution |
| 04/19/1977 | US4019009 Microwave heating apparatus |
| 04/19/1977 | US4018642 Microwave curing of alkaline phenolic resins in wood-resin compositions |
| 04/12/1977 | US4017704 Induction heating apparatus and method for using the same |
| 04/12/1977 | US4017703 Multiple station induction heating machine |
| 04/12/1977 | US4017702 Microwave oven including apparatus for varying power level |