Inventor · disambiguated record
Robert Hammell
Also filed as: HAMMELL ROBERT · HAMMELL ROBERT M
2 granted patents·1 pending application·24 citations·filing 2001–2005
60Inventor score
Technology areasB66B
Top patents by PatentIndex Score
3 records- 0169US6685003B2Pulse-free escalatorOTIS ELEVATOR CO·Filed 2001·Granted Feb 3, 2004·16 cites·10 claims
- 0263US7753175B2Elevator car having an angled underslung roping arrangementOTIS ELEVATOR CO·Filed 2005·Granted Jul 13, 2010·8 cites·10 claims
- 0332US2008257654A1Counterweight With Partially Imbedded BufferMILTON-BENOIT JOHN M·Filed 2005·Application pending·0 cites
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