MARGRAF ADOLF innovation strategy

Patent filings in countries

#	Technology
#1	Separation
#2	Unspecified technologies
#3	Cleaning heat-exchanger internal surfaces
#4	Chairs and beds
#5	Heat-exchange device details
#6	Combustion residues removal
#7	Magnetic or electrostatic solid separation
#8	Chemical or physical processes
#9	Building materials
#10	Cyclones

Publication	Filing date	Title
DE4434643C1	1994-09-28	Bed with support for mattress
DE4334699C1	1993-10-12	Filtering separator
DE4331447C1	1993-09-16	Filtering separator
DE4330644C1	1993-09-10	Filtering separator
DE4322295C1	1993-07-05	Lying system with spring interior
EP0553772A2	1993-01-26	Bed and spring-mattress
DE4220138A1	1992-06-19	Suspension for slatted bed frame carrying mattress or futon - has four longitudinal fluid-filled tubes below slatted frame, with inner tubes providing support for half length only
DE3811746A1	1988-04-08	Separator for particles from flue gases
DE3639824A1	1986-11-21	FILTERING SEPARATOR FOR PARTICLES AND POLLUTANT GAS FROM RAW GASES
FR2570289A1	1985-07-30	Bulk material filter
DE3526042A1	1985-07-20	Packed bed filter
DE3426959A1	1984-07-21	SCHUETTGUTSCHICHTFILTER WITH RENEWAL OF THE SCHUETTGUTES
DE3402764A1	1984-01-27	Packed bed filter
DE3341689A1	1983-11-18	Loose packing layer filter
DE3341065A1	1983-11-12	Filtering separator
ZA8306974B	1983-09-20	Heat exchangers for hot flue gases
DE3331484A1	1983-09-01	HEAT EXCHANGER FOR HOT SMOKE GASES
DE3323484A1	1983-06-30	Apparatus for removing particles from gases
DE3316207A1	1983-05-04	Method and device for cooling hot materials to be stored in a silo
DE3304135A1	1983-02-08	Bag filter