ROTO SIEVE AB innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	Sweden	15
#2	WIPO (World Intellectual Property Organization)	5
#3	Australia	4
#4	Finland	4
#5	Brazil	3
#6	Germany	3
#7	United Kingdom	3
#8	Italy	3
#9	Norway	3
#10	United States	3
#11	Austria	2
#12	Denmark	2
#13	EPO (European Patent Office)	2
#14	Switzerland	1
#15	France	1
#16	India	1
#17	Japan	1
#18	Netherlands	1

#	Technology
#1	Separation
#2	Presses
#3	Water treatment
#4	Hydraulic engineering
#5	Climate change mitigation in wastewater treatment
#6	Flotation
#7	Separating solids using liquids

Publication	Filing date	Title
WO9630102A1	1996-01-23	Dewatering device
US5630362A	1993-08-30	Refuse compactor with dewatering capability
US5041223A	1988-03-01	Arrangement for an inlet pipe in a rotating drum sieve
AU8235987A	1987-10-29	Arrangement for an inlet and outlet in a rotating drum sieve
SE8604695D0	1986-11-03	Simplified rotating drum sieve
SE8604696D0	1986-11-03	Simplified rotating drum sieve
BR8307436A	1983-07-11	Device for separating a fluid paste liquid and understanding a bleeder
EP0112893A1	1983-07-11	A device for separating a liquid from a slurry and comprising a spillway.
DE3301053A1	1983-01-14	DEVICE FOR SEPARATING LIQUID FROM A MUDDY Porridge OR SOLID LIQUID
SE8200232L	1982-01-18	Arrangement for separation of liquid from a liquid mixed with particles and containing a rotating perforated drum with feed screw
SE8200234L	1982-01-18	Arrangement for supplying a slurry or a liquid containing particles to a rotating liquid separation drum
DE2816899A1	1978-04-19	Tubular dewatering screw press - with tube end closed by biased swing lid (BR 13.6.78)
IT7812491D0	1978-02-22	Tubular dewatering screw press - with tube end closed by biased swing lid (BR 13.6.78)
GB1589318A	1977-11-25	Dewatering device
DE2751091A1	1977-11-16	DEVICE FOR SEPARATING LIQUID FROM A MUDDY PUDDLE OR MIXTURE
FI396973A	1973-12-21	Adjustment of the processing of the measures and update