Search the Insulator Patent Reference Library

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
		1902
U	707,245	August 19, 1902	Filter Press Filter press	LOCKE, Fred M.	Filter Press
		1904
U	772,132	October 11, 1904	Filter Cloth Design of filter cloth for filter press that reduces the water content of clay	CROSSLEY, Joseph	Filter Press
		1952
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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