JOHNSON CONSTRUCTION CO AB innovation strategy

Patent filings in countries

#	Technology
#1	Climate change mitigation in wastewater treatment
#2	Water treatment
#3	Separation
#4	Climate change mitigation in goods production
#5	Organic fertilisers
#6	Earth drilling
#7	Heat-exchange device details
#8	Non-metallic elements
#9	Mixing
#10	Heat-exchanger without contact

Publication	Filing date	Title
AU3006184A	1984-06-29	Portable drilling rig
US4601518A	1984-03-21	Method of excavating rock caverns by blasting
US4603910A	1984-03-21	Method of blasting rock caverns with large cross-sectional area
IT7920959D0	1979-03-14	Drum for breaking down and fractionating mixed material - discharges coarse material at end of drum, and discharges fine material through perforations and between two frusto=conical hoods
FI56370B	1974-03-26	ANLAEGGNING Foer KOMPOSTERING AV AVFALLSMATERIAL
ZA739260B	1973-12-05	A method of purifying sewage
AU6314873A	1973-12-03	A method of purifying sewage
GB1384924A	1972-07-06	Flocculating and sedimentation tank units
GB1210135A	1968-10-17	Surface aerators.
US3504500A	1968-05-13	Pile jointing device
GB1147908A	1966-06-15	An absorption column
US3430693A	1966-04-14	Heat exchange element with condensate collector
GB1068638A	1964-09-11	Drilling equipment
CA797741A	None	Absorption column
CA852453A	None	Pile jointing device
CA864274A	None	Heat-exchange element