Inventor · disambiguated record
Erkki Aalto
Also filed as: AALTO ERKKI
16 granted patents·595 citations·filing 1983–1991
95Inventor score
Files withHALTON OY16
Top patents by PatentIndex Score
16 records- 0191US5312296AFalse-ceiling construction and method for the flow of air in connection with a false-ceiling constructionHALTON OY·Filed 1991·Granted May 17, 1994·74 cites·5 claims
- 0289US5071065AProcedure for controlling and maintaining air currents or equivalent in an air-conditioning installation, and an air-conditioning system according to said procedureHALTON OY·Filed 1990·Granted Dec 10, 1991·125 cites·9 claims
- 0388US4872892AAir purifierHALTON OY·Filed 1988·Granted Oct 10, 1989·63 cites·1 claims
- 0481US4903894AVentilation control procedure and ventilation control meansHALTON OY·Filed 1988·Granted Feb 27, 1990·51 cites·15 claims
- 0579US4811724AAir exhausting meansHALTON OY·Filed 1985·Granted Mar 14, 1989·48 cites·30 claims
- 0678US4890544AAir distribution systemHALTON OY·Filed 1987·Granted Jan 2, 1990·45 cites·12 claims
- 0777US5063834AFocussed ventilation procedure and focussed ventilation meansHALTON OY·Filed 1989·Granted Nov 12, 1991·31 cites·1 claims
- 0865US5220910ADevice and method for ventilationHALTON OY·Filed 1991·Granted Jun 22, 1993·38 cites·12 claims
- 0964US4627498AFuse design for fire limiters or other safety appliances in ventilation installationsHALTON OY·Filed 1983·Granted Dec 9, 1986·30 cites·11 claims
- 1057US4694851AFlow regulator and its useHALTON OY·Filed 1984·Granted Sep 22, 1987·18 cites·13 claims
- 1154US4625626AControl/fire damper for ducts inventilation installationsHALTON OY·Filed 1983·Granted Dec 2, 1986·19 cites·9 claims
- 1252US5074198AFocussed ventilation procedure for a work spot and apparatus used in the procedureHALTON OY·Filed 1989·Granted Dec 24, 1991·14 cites·2 claims
- 1352US4697607AProcedure and means for making the effect of gravity the same in flow regulators independent of the installation modeHALTON OY·Filed 1984·Granted Oct 6, 1987·15 cites·18 claims
- 1447US4674531AFlow regulatorHALTON OY·Filed 1984·Granted Jun 23, 1987·11 cites·22 claims
- 1539US5133689AFocussed ventilation procedure of a work spot and a focussed ventilation meansHALTON OY·Filed 1989·Granted Jul 28, 1992·7 cites·12 claims
- 1636US4678005AFlow regulatorHALTON OY·Filed 1985·Granted Jul 7, 1987·6 cites·22 claims
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