Filtered deep fryer

Claim 1

A DEEP FRYER VESSEL WHICH IS GENERALLY RECTANGULAR IN CROSS-SECTION OVER A SUBSTANTIAL PORTION OF ITS DEPTH, HEATING MEANS EXTENDING TRANSVERSELY ACROSS SAID VESSEL IN SAID RECTANGULAR PORTION FOR THE HEATING OF COOKING FAT ACCOMMODATED THEREIN, SAID VESSEL BEING ADAPTED TO ACCOMMODATE FRY BASKETS FOR SUSPENDING FOOD TO BE COOKED ADJACENT SAID HEATING MEANS THEREBY ESTABLISHING A PRIMARY CONVECTION CIRCULATING PATH FOR COOKING FAT WITHIN THE VESSEL, AND A THERMAL BARRIER PLATE DISPOSED ADJACENT EACH OF TWO OPPOSITE SIDE WALLS, THE UPPER VESSEL BUT SPACED FROM SAID VESSEL SIDE WALLS, THE UPPER MARGINS OF SAID BARRIER PLATES BEING BELOW THE NORMAL LEVEL OF COOKING FAT WITHIN THE VESSEL AND THE LOWER MARGINS OF THE BARRIER PLATES ACROSS SAID VESSEL AND BELOW OF SAID VESSEL, AND A FINE FILTER ELEMENT EXTENDING BETWEEN SAID BARRIER PLATES ACROSS SAID VESSEL AND BELOW SAID HEATING MEANS, WHEREBY AN AUXILIARY PATH FOR CONVECTION CIRCULATION OF COOKING FAT IS PROVIDED BETWEEN SAID BARRIER PLATES AND THE ADJACENT FACES OF THE VESSEL SIDE WALLS TO THE INTERIOR OF SAID VESSEL WITH SAID FILTER ELEMENT EXTENDING ACROSS SAID AUXILIARY PATH BUT LEAVING SAID PRIMARY CIRCULATING PATH UNOBSTRUCTED.