Inventor · disambiguated record
Detlev Abraham
Also filed as: ABRAHAM DETLEV
6 granted patents·142 citations·filing 1985–2005
85Inventor score
Top patents by PatentIndex Score
6 records- 0191US7775327B2Method and system for stopping elevators using AC motors driven by static frequency convertersDANFOSS AS·Filed 2005·Granted Aug 17, 2010·51 cites·8 claims
- 0266US4631467AEscalator passenger flow controlOTIS ELEVATOR CO·Filed 1985·Granted Dec 23, 1986·26 cites·4 claims
- 0363US5482153AOperation panel for a passenger conveying deviceOTIS ELEVATOR CO·Filed 1994·Granted Jan 9, 1996·22 cites·24 claims
- 0453US5431271AIndicator for a passenger conveying deviceOTIS ELEVATOR CO·Filed 1994·Granted Jul 11, 1995·20 cites·26 claims
- 0538US5697485APassenger conveyor control system having decentralized inputs and outputsOTIS ELEVATOR CO·Filed 1995·Granted Dec 16, 1997·11 cites·4 claims
- 0637US5704464APassenger sensor for an escalator or moving walkOTIS ELEVATOR CO·Filed 1996·Granted Jan 6, 1998·12 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →