Inventor · disambiguated record
Ralf Ekholm
Also filed as: EKHOLM RALF · EKHOLM RALF C
9 granted patents·318 citations·filing 1980–1995
90Inventor score
Top patents by PatentIndex Score
9 records- 0190US4844204AProcedure for modernizing the control system of a liftKONE ELEVATOR GMBH·Filed 1984·Granted Jul 4, 1989·45 cites·9 claims
- 0286US5894910AProcedure for controlling an elevatorKONE OY·Filed 1995·Granted Apr 20, 1999·45 cites·4 claims
- 0384US4895223AMethod for sub-zoning an elevator groupKONE ELEVATOR GMBH·Filed 1988·Granted Jan 23, 1990·40 cites·7 claims
- 0484US4838385AMethod for coordinating elevator group trafficKONE ELEVATOR GMBH·Filed 1987·Granted Jun 13, 1989·39 cites·7 claims
- 0582US5896948AReserve power systemKONE OY·Filed 1995·Granted Apr 27, 1999·107 cites·9 claims
- 0652US5239142ASelection of an elevator for service based on passenger location and elevator travel timeKONE ELEVATOR GMBH·Filed 1991·Granted Aug 24, 1993·16 cites·19 claims
- 0748US5107962AVertical transport system in a buildingKONE ELEVATOR GMBH·Filed 1990·Granted Apr 28, 1992·14 cites·19 claims
- 0848US4346789ALift battery control systemELEVATOR GMBH·Filed 1980·Granted Aug 31, 1982·11 cites·18 claims
- 0929US5712457AApparatus for regulating an elevator motorKONE OY·Filed 1995·Granted Jan 27, 1998·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →