Inventor
AALTO ERKKI
FI16 patents
Patents
16 patentsUS5312296AMay 17, 1994
False-ceiling construction and method for the flow of air in connection with a false-ceiling construction
HALTON OY74 citations94
US4872892AOct 10, 1989
Air purifier
HALTON OY63 citations94
US5071065ADec 10, 1991
Procedure for controlling and maintaining air currents or equivalent in an air-conditioning installation, and an air-conditioning system according to said procedure
HALTON OY125 citations93
US4903894AFeb 27, 1990
Ventilation control procedure and ventilation control means
HALTON OY51 citations91
US5063834ANov 12, 1991
Focussed ventilation procedure and focussed ventilation means
HALTON OY31 citations90
US4890544AJan 2, 1990
Air distribution system
HALTON OY45 citations90
US5220910AJun 22, 1993
Device and method for ventilation
HALTON OY38 citations88
US4811724AMar 14, 1989
Air exhausting means
HALTON OY48 citations88
US4627498ADec 9, 1986
Fuse design for fire limiters or other safety appliances in ventilation installations
HALTON OY30 citations88
US5133689AJul 28, 1992
Focussed ventilation procedure of a work spot and a focussed ventilation means
HALTON OY7 citations71
US4697607AOct 6, 1987
Procedure and means for making the effect of gravity the same in flow regulators independent of the installation mode
HALTON OY15 citations71
US4694851ASep 22, 1987
Flow regulator and its use
HALTON OY18 citations71
US4674531AJun 23, 1987
Flow regulator
HALTON OY11 citations71
US5074198ADec 24, 1991
Focussed ventilation procedure for a work spot and apparatus used in the procedure
HALTON OY14 citations68
US4625626ADec 2, 1986
Control/fire damper for ducts inventilation installations
HALTON OY19 citations67
US4678005AJul 7, 1987
Flow regulator
HALTON OY6 citations60