Erkki Aalto

Person

Kausala, FI

People

Patents Grantslast 30 patents

Information Patent Grant
False-ceiling construction and method for the flow of air in connec...
- Patent number 5,312,296
- Issue date May 17, 1994
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Device and method for ventilation
- Patent number 5,220,910
- Issue date Jun 22, 1993
- Halton Oy
- Erkki Aalto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Focussed ventilation procedure of a work spot and a focussed ventil...
- Patent number 5,133,689
- Issue date Jul 28, 1992
- Halton Oy
- Erkki Aalto
- B08 - CLEANING
Information Patent Grant
Focussed ventilation procedure for a work spot and apparatus used i...
- Patent number 5,074,198
- Issue date Dec 24, 1991
- Halton Oy
- Erkki Aalto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Procedure for controlling and maintaining air currents or equivalen...
- Patent number 5,071,065
- Issue date Dec 10, 1991
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Focussed ventilation procedure and focussed ventilation means
- Patent number 5,063,834
- Issue date Nov 12, 1991
- Halton Oy
- Erkki Aalto
- B08 - CLEANING
Information Patent Grant
Ventilation control procedure and ventilation control means
- Patent number 4,903,894
- Issue date Feb 27, 1990
- Halton Oy
- Teuvo Pellinen
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air distribution system
- Patent number 4,890,544
- Issue date Jan 2, 1990
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air purifier
- Patent number 4,872,892
- Issue date Oct 10, 1989
- Halton Oy
- Seppo Vartiainen
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air exhausting means
- Patent number 4,811,724
- Issue date Mar 14, 1989
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Procedure and means for making the effect of gravity the same in fl...
- Patent number 4,697,607
- Issue date Oct 6, 1987
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flow regulator and its use
- Patent number 4,694,851
- Issue date Sep 22, 1987
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flow regulator
- Patent number 4,678,005
- Issue date Jul 7, 1987
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flow regulator
- Patent number 4,674,531
- Issue date Jun 23, 1987
- Halton Oy
- Erkki Aalto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Fuse design for fire limiters or other safety appliances in ventila...
- Patent number 4,627,498
- Issue date Dec 9, 1986
- Halton Oy
- Erkki Aalto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control/fire damper for ducts inventilation installations
- Patent number 4,625,626
- Issue date Dec 2, 1986
- Halton Oy
- Arvo Aalto
- F24 - HEATING RANGES VENTILATING

Erkki Aalto

Person

Patents Grantslast 30 patents

False-ceiling construction and method for the flow of air in connec...

Device and method for ventilation

Focussed ventilation procedure of a work spot and a focussed ventil...

Focussed ventilation procedure for a work spot and apparatus used i...

Procedure for controlling and maintaining air currents or equivalen...

Focussed ventilation procedure and focussed ventilation means

Ventilation control procedure and ventilation control means

Air distribution system

Air purifier

Air exhausting means

Procedure and means for making the effect of gravity the same in fl...

Flow regulator and its use

Flow regulator

Flow regulator

Fuse design for fire limiters or other safety appliances in ventila...

Control/fire damper for ducts inventilation installations