UNITED FILTERS CORP innovation strategy

Patent filings in countries

#	Technology
#1	Separation
#2	Paper recycling
#3	Unspecified technologies
#4	Pistons and sealings
#5	Non-metallic elements
#6	Punching metal
#7	Hinges for doors or windows
#8	Chemical or physical processes
#9	Centrifuges

Publication	Filing date	Title
US1685118A	1925-05-07	Process for recovering sugar values
US1734652A	1924-05-17	Filter
US1685084A	1924-02-01	Apparatus for separating liquid from pulp fibers
US1685085A	1924-02-01	Dewatering apparatus
US1649581A	1921-04-29	Method and means for removing filter cakes from filter mediums
DE343143C	1920-06-26	Filter with two-part housing
DE343144C	1920-06-26	Pressure filter
DE344874C	1920-06-24	Joint or hinge for connecting two-part filter housings
DE396383C	1920-06-23	Pressure filter, in which the filter housing consists of two parts which can be separated from one another along a horizontal plane, of which the lower part is rotatable
DE405065C	1920-06-19	Vacuum filter with filter disks arranged on a shaft, rotating together and immersed in a common container
GB144278A	1920-05-31	Improvements in pressure filters of the leaf type
DE328069C	1920-02-12	Lid closure
US1430518A	1920-01-27	Filter
US1678639A	1920-01-09	Scraper for rotary filters
US1405406A	1919-10-08	Filtering apparatus
US1441445A	1919-04-29	Filter plate
US1332537A	1919-02-25	Sulfur-retort
US1332542A	1919-01-25	Sulfur-retort
US1510568A	1919-01-14	Filter
GB141001A	1918-12-30	Improvements in and relating to continuous vacuum filters