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3601083 SET POINT INDICATOR  
Disclosed is a combination electrical control device and indicator particularly adapted for use as a set point indicator for a furnace controller. The unit comprises a potentiometer and digital...
3590215 CLINICAL FLUID WARMER  
A dry heat clinical blood warmer comprising first and second heater plates, pivotally mounted relative to each other; a thin, flat, channeled sac, having an inlet and an outlet spaced from each...
3548398 SWITCH POSITION AND CONTINUITY INDICATOR FOR A PAIR OF HEATING CIRCUITS  
3527922 HEATER FOR AEROSOL FOAM DISPENSING CONTAINERS  
3495070 THERMAL PRINTING APPARATUS  
3494321 HEAT-ACTUATED SAFETY INDICATOR FOR HOTPLATES AND THE LIKE  
3487394 FAIL SAFE INDICATOR OF FAILURES IN HEATING APPARATUS  
3410985 Electrically heated hair curling apparatus  
3408476 Apparatus for detecting failure of electrical heating elements  
3385950 Electrode type bottle warmer having time-controlled operation  
3351739 Control system for electrically heated boiler  
3331945 Electric circuits for positive picture copiers  
3326692 Method of and apparatus for cooking  
3305668 Cable heater  
3274491 Indicating meter combined with adjustable coupled coils which are selectively decoupled by a pointer supported vane  
3226528 Automatic cooking utensil  
3222720 Heater indicating means for extrusion system  
3172999 Electric grill construction  
3147466 Pilot light system  
3140390 Therapeutic appliance  
3108532 System for operating a rotary spit mechanism  
3089941 Water heater  
3062037 Temperature regulator for chromatographs  
3050609 Seaming detachers  
3045096 Toilet pan seat units  
3043936 Thermostat-timer mechanism  
3041441 Portable stock warmer  
3038984 Retreading system  
3035144 Thermostatic switch  
3004130 Tank heating system  
2988624 Portable soil sterilizer  
2972668 Method and arrangement for uniformly heating a band-shaped material  
2963566 Control devices  
2957069 Instantaneous heater for liquids  
2948799 Electrical control circuits utilizing thermistors  
2933585 Control system for a roasting oven  
2928927 Control circuit for heating device  
2918558 Thermostatic control of electric heaters  
2913566 Automatic egg hard- and soft-boiler and water heater  
2907859 Domestic appliance  
2903550 Method and apparatus for processing printing plates  
2898436 Control apparatus  
2898433 De-icing windows  
2894110 Water-heating apparatus for use in making hot beverages  
2886689 Steam generator  
2862096 Electric ovens  
2854558 Temperature control system  
2843718 Air heater  
2839660 Immersion heater  
2831099 Temperature responsive electrical control system