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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Filter Press') ORDER BY date ASC, patent, type

Total of 3 patents found where: Category is 'Filter Press';

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T / S Patent Date Description Patentee Category Assigned To
U 707,245 August 19, 1902 Filter Press
Filter press
LOCKE, Fred M.
Filter Press  
U 772,132 October 11, 1904 Filter Cloth
Design of filter cloth for filter press that reduces the water content of clay
Filter Press  
U 2,582,442 January 15, 1952 Power Wrench Mechanism for Ceramic Filter Presses
A motorized wrench to tighten the screw on the leaves of a clay filter press that can be moved from one press to the other.
LAPP, Grover W.
Filter Press Lapp Insulator Co., Inc.

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