Inventor · disambiguated record
Axel Pfeffer
Also filed as: PFEFFER AXEL · PFEFFER AXEL S · PFEFFER AXEL STEFFEN
2 granted patents·2 pending applications·9 citations·filing 2003–2022
54Inventor score
Top patents by PatentIndex Score
4 records- 0177US9376289B2Elevator control system with sleep monitorHERKEL PETER·Filed 2010·Granted Jun 28, 2016·6 cites·17 claims
- 0259US2023146745A1Avoiding entrapment in an elevatorOTIS ELEVATOR CO·Filed 2022·Application pending·0 cites
- 0351US2021094795A1Controlling movement of an elevator car of an elevator systemOTIS ELEVATOR CO·Filed 2020·Application pending·0 cites
- 0444US7328607B2Brake lining monitoring device and methodOTIS ELEVATOR CO·Filed 2003·Granted Feb 12, 2008·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →