Assignee
HALTON OY
FI37 patents
Top patents by PatentIndex Score
US5312296AMay 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
US5031515AJul 16, 1991
Method for regulation of ventilation as well as an air-conditioning device used in the method
HALTON OY64 citations89
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
US7000688B2Feb 21, 2006
Supply air terminal device
HALTON OY24 citations87
US6379240B2Apr 30, 2002
Air circulation system for a refrigerated display case and method for ventilating a room space, hall space or a refrigerated division thereof having a refrigerated display case
HALTON OY20 citations86
US5829464ANov 3, 1998
Regulation device and method for regulation of an air flow
HALTON OY21 citations81
US5322152AJun 21, 1994
Method and apparatus for sorting returnables
HALTON OY37 citations81
US6769477B2Aug 3, 2004
Supply air terminal device
HALTON OY13 citations75
US4190085AFeb 26, 1980
Gas flow regulating and measuring apparatus
HALTON OY21 citations73
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
US4656510AApr 7, 1987
Apparatus for identifying and recording bottles and/or bottle hampers
HALTON OY12 citations70
US5154276AOct 13, 1992
Device for handling of returnable bottles
HALTON OY9 citations69
US6715538B2Apr 6, 2004
Supply air terminal device
HALTON OY8 citations68
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
US4934397AJun 19, 1990
Procedure and means for controlling volumetric flow rate in air-conditioning installations
HALTON OY16 citations66
US4885461ADec 5, 1989
Object identifying device
HALTON OY18 citations65
US4678005AJul 7, 1987
Flow regulator
HALTON OY6 citations60
US5065857ANov 19, 1991
Method in handling of returnable bottles and device for handling of returnable bottles
HALTON OY6 citations58
US5259513ANov 9, 1993
Method and a device for sorting returnable bottles, cans and other returnable packages
HALTON OY4 citations48
US5273150ADec 28, 1993
Device for handling returnable cans
HALTON OY6 citations46
US11262085B2Mar 1, 2022
Apparatus for conditioning a space
HALTON OY0 citations43
US12398909B2Aug 26, 2025
Dynamic air supply system in a clean room and a method for providing dynamic air flow
HALTON OY0 citations42
US10578326B2Mar 3, 2020
Controlling indoor environmental condition
HALTON OY0 citations37
US10852015B2Dec 1, 2020
Controlled dilution flow in critical environments
HALTON OY0 citations32
US10677491B2Jun 9, 2020
Air distribution device
HALTON OY0 citations21
US4827971AMay 9, 1989
Constant air flow rate valve, and procedure for controlling a constant air flow rate valve
HALTON OY0 citations21