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The ornamental design for a knife gate valve, as shown and described. |
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FIG. 1 is a perspective view taken from the top, front and right side of a knife gate valve showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevational view thereof, the left side being a mirror image of the side shown; and
FIG. 7 is a vertical sectional view taken along line 7--7 of FIG. 4.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 27 1988 | FUKUCHI, MASAHARU | OKUMURA ENGINEERING WORKS CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 004962 | /0701 | |
| Sep 30 1988 | Okumura Engineering Works Co., Ltd. | (assignment on the face of the patent) | / |
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