fig1 is discussed in conjunction with fig2 . fig1 is a rear perspective view of a grill pan 100 with a base 102 and a lid 101 pivotally registered to the base 102 by an adjusting hinge 115 . fig2 presents an exploded perspective view of individual components that make up a grill pan 100 according to an embodiment of the present invention . a base 102 supports a corrugated food cooking surface with grill rods 103 a , or grill veins , disposed at a distance from one another , and drain channels 103 b , or valleys , alternately positioned between the base grill veins 103 a . similarly , a lid 101 has grill veins 104 a disposed at a distance from one another , and channels or valleys 104 b alternately positioned between the lid grill veins 104 a . preferably , the lid grill veins 104 a are sized and spaced apart such that the lid grill veins 104 a rest in an interlocking position with the base grill veins 103 a when the lid 101 is placed in a closing position onto the base 102 for nonuse or storing purposes . in fig1 and 2 , an upstanding wall 105 surrounds the periphery of the base 102 and , advantageously , is of a height greater than the height of the base grill veins 103 a . two side portions 105 b of the wall 105 and a back portion 105 a of the wall 105 of the base 102 are adjacent to the grill veins 103 a . a front portion 105 c of the wall 105 , however , is spaced at a distance from the front edges of the grill veins 103 a . within this space is a collecting channel , or grease channel 106 , which runs transverse to the base grill veins 103 a . the collecting channel 106 provides for collecting grease , juice , and other food liquids , which are produced during a grilling process . as shown in the side section view , in fig2 , the base grill veins 103 a are positioned at a slight downward slope 107 , from a higher elevation at the back portion 105 a of the wall 105 of the base 102 to a lower elevation at the front portion 105 c of the wall 105 of the base 102 , in order to facilitate the flow of food liquids for easy disposal . grease , juice , and other food liquids may run along the sides of the base grill veins 103 a and temporarily collect in the drain channels 103 b alternately positioned between the base grill veins 103 a . the downward slope 107 of the base grill veins 103 a then provides for a natural flow of the grease , juice , and other food liquids into the collecting channel 106 , where it keeps until the grill pan 100 is removed from a conventional oven , or a convection oven . although fig1 - 5 present a rectangular base 102 and a rectangular lid 101 , the grill pan 100 of the present invention may have other shapes , including circular , oval , and polygonal shapes . as shown in fig2 , the collecting channel 106 has a top edge 108 , which is lower than the top edge of the front portion 105 c of the wall 105 of the base 102 . two indents 109 are positioned on the front portion 105 c of the wall 105 of the base 102 , above the upper edge 108 of the collecting channel 106 . the indents 109 extend through the width of the front portion 105 c of the wall 105 and allow for lift handles 110 to be hooked onto the upper edge 108 of the collecting channel 106 , allowing a user to lift and move the grill pan 100 without physically touching the grill pan 100 , which may be heated to oven temperatures . thus , a user may use the grill pan 100 safely without the worry of being burned and / or spilling food liquids from the grill pan 100 , which may be messy and dangerously hot . preferably , the lift handles 110 are made of a material that is able to withstand high temperatures , able to bear a heavy weight load , and is a poor heat conductor . for example , the lift handles 110 made be made of metal encased in wood or any other material capable of withstanding high temperatures and preventing heat conduction . according to a preferred embodiment , a portion of the lift handle 110 used to hook onto a grill pan 100 may comprise two metal prongs , formed generally parallel to one another and shaped such that the prongs provide a secure fit onto the grill pan 100 . the two prongs may be machined in a bent or angled position with respect to the remaining portion of the lift handle 110 , as shown in fig2 , however , one of ordinary skill would recognize that the lift handles 110 of the present invention may be formed into multiple configurations and still perform their necessary function . a lid 101 of the grill pan 100 includes grill veins 104 a similar to the base grill veins 103 a and disposed at a distance from one another , with channels 104 b alternately positioned between each grill vein 104 a . the lid grill veins 104 a extend from a back edge 111 a of the lid 101 to a front lip at a front edge 111 b of the lid 101 . the front lip provides a surface area for a lid lift lug 112 , or lid handle , and two indents 113 or grooves , which serve as clearance grooves for the lift handles 110 . the lid handle 112 may be positioned in the center of the front lip of the lid 101 , as shown in fig2 , and may be integrally formed from the same material as the lid 101 of the grill pan 100 , or it may be a separate attachment . optionally , the lid handle 112 may have an aperture 114 for hooking the lift handle 110 onto the lid handle 112 in order to lift the lid 101 to an opened position relative to the base 102 . as shown in fig1 and 2 , the clearance grooves 113 in the front lip of the lid 101 are positioned such that the clearance grooves 113 line up with the indents 109 in the front portion 105 c of the wall 105 of the base 102 . the clearance grooves 113 prevent the lid 101 from inhibiting the lift handles 110 ability to hook onto the top edge 108 of the collecting channel 108 when the lid 101 is in a closed or flat position , relative to the base 102 . the lid 101 of the grill pan 100 is pivotally registered to the base 102 via an 115 adjusting hinge , as shown in fig1 and 3 a - 3 b , where fig3 a and 3b . in a preferred embodiment , the adjusting hinge 115 includes a plurality of lid pivot guide pins 116 , as shown in fig1 and 2 , which protrude upwards from the back portion 105 a of the wall 105 of the base 102 and from a location inside the base 102 , where the location is disposed at a distance from the back portion 105 a of the wall 105 of the base 102 . the plurality of lid pivot guide pins 116 , as shown in fig2 , may be separate units that are attached to the base 102 , or may be integrally formed from the same material as the base 102 . the plurality of lid pivot guide pins 116 may include outer lid pivot guide pins , which are located along the back portion 105 a of the wall 105 of the base 102 , and inner lid pivot guide pins , which are positioned at a relatively short distance from the outer lid pivot guide pins , as shown in fig2 . the lid pivot guide pins 116 may be positioned generally perpendicular to the base grill veins 103 a , as shown in fig1 and 2 . alternately , other configurations of lid pivot guide pins 116 that allow the lid 101 to be pivotally registered to the base 102 are within the scope of the present invention . as shown in fig1 and 2 , a lid stop 117 is positioned between the two outer lid pivot guide pins 116 , and protrudes generally upward from the back portion 105 a of the wall 105 of the base 102 and generally perpendicular to the grilling surface . the lid stop 117 permits the lid 101 to rest in an opened position generally upright or perpendicular to the base 102 of the grill pan 100 , and also prevents the lid 101 from falling backwards when in the opened position . as shown in fig1 and 2 , a portion of the back edge of the lid 101 is formed into a smooth cylindrical edge , or bar portion 118 , and when the lid 101 is registered to the base 102 , the bar portion 118 is positioned between the lid pivot guide pins 116 of the base 102 , such that it “ slides ” between the lid pivot guide pins 116 . adjacent to the bar portion 118 is one or more hinge slots 119 carved into the lid 101 of the grill pan 100 , and are positioned generally parallel to the lid grill veins 104 a and generally perpendicular to the bar portion 118 . the bar portion 118 and the hinge slots 119 register the lid 101 to the base 102 with the bar portion 118 sliding between the outer and inner lid pivot guide pins 116 while the hinge slots 119 fit around the lid pivot guide pins 116 . to align the base 101 with the lid 102 , a lid pivot pin or bolt 120 may be attached to each outer end of the bar portion 118 of the lid 101 such that the lid pivot bolts 120 extend beyond the total length of the back portion of the wall 105 of the base 102 from one outer lid pivot guide pin 116 to the other outer lid pivot guide pin 116 . alternately , the lid pivot bolts 120 may be integrally formed from the same material as the lid 101 instead of being separate units for attachment . the adjusting hinge 115 allows the lid to move freely with respect to the base of the grill pan 100 . when food is placed onto the grill surface of the base 102 , the lid 101 adjusts to the height or thickness of the food and may lie generally flat on top of the food instead of at an angle . with the lid 101 lying generally flat , the grill pan 100 is easily placed into a conventional oven or a convection oven . additionally , a greater surface area of the lid 101 comes into contact with the food . advantageously , the lid 101 may be separated completely from the base 102 in order to be cleaned . fig3 a is a rear perspective view of a grill pan 100 , according to an embodiment of the present invention , with a lid 101 of the grill pan 100 placed in an opened position . as shown in both fig3 a and 3b , the lid 101 is pivotally registered to a base 102 of the grill pan 100 by an adjusting hinge 115 with a bar portion resting 118 between a plurality of lid pivot guide pins 116 , similar to fig1 . the lid 101 rests against a lid stop 117 , which permits the lid to rest in an open position generally perpendicular to the base 102 . fig3 b is a front perspective view of the same grill pan 100 . fig3 is a perspective view of a grill pan , according to an embodiment of the present invention , in a closed position while not in use . in this embodiment , a lid stop runs a length of a back portion of the wall portion between two lid pivot guide pins , and both the lid stop and the lid pivot guide pins are integrally formed from the same material as the base of the grill pan . additionally , slots carved into the lid are shown in greater detail . as will be appreciated , there are countless configurations for a grill pan that grills foods inside a conventional or convection oven . fig1 - 7 illustrate only a few possible configurations , and in no way should be construed as limiting the application of the inventive apparatus to those configurations . to the contrary , the invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims . the scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions .
a grill pan for grilling food is provided . the grill pan is made of a lid and a base with grill ridges and a slidably adjustable hinge - like mating portion , which allows the lid to freely adjust to various thicknesses of foods placed inside the pan .