FIG. 1 is a conventional perspective view of the twin screw pump showing our new design;
FIG. 2 is a rear, left-side, bottom perspective view of the twin screw pump shown in FIG. 1;
FIG. 3 is a front elevational view of the twin screw pump shown in FIG. 1;
FIG. 4 is rear elevational view of the twin screw pump shown in FIG. 1;
FIG. 5 is a top plan view of the twin screw pump shown in FIG. 1;
FIG. 6 is a bottom plan view of the twin screw pump shown in FIG. 1;
FIG. 7 is a right side elevational view of the twin screw pump shown in FIG. 1;
FIG. 8 is a left side elevational view of the twin screw pump shown in FIG. 1;
FIG. 9 is a conventional perspective view of a twin screw pump showing the second embodiment of our new design;
FIG. 10 is a rear, left-side, bottom perspective view of the twin screw pump shown in FIG. 9;
FIG. 11 is a front elevational view of the twin screw pump shown in FIG. 9;
FIG. 12 is rear elevational view of the twin screw pump shown in FIG. 9;
FIG. 13 is a top plan view of the twin screw pump shown in FIG. 9;
FIG. 14 is a bottom plan view of the twin screw pump shown in FIG. 9;
FIG. 15 is a right side elevational view of the twin screw pump shown in FIG. 9; and,
FIG. 16 is a left side elevational view of the twin screw pump shown in FIG. 9.
The ornamental design which is claimed is shown in solid lines in the drawing figures. Any broken lines in the drawing figures are for illustrative purposes only and form no part of the claimed design.