Inventor · disambiguated record
Roy Walker
Also filed as: WALKER ROY · WALKER ROY J
4 granted patents·3 pending applications·40 citations·filing 1994–2014
72Inventor score
Files withTHYSSENKRUPP ELEVATOR CORP2CAPITAL FORMATION INC1SMITH RORY S1THYSSEN ELEVATOR CAPITAL CORP1
Top patents by PatentIndex Score
7 records- 0169US7032371B2Synthetic fiber rope for an elevatorTHYSSEN ELEVATOR CAPITAL CORP·Filed 2003·Granted Apr 25, 2006·13 cites·15 claims
- 0265US5433294AGeared elevator systemCAPITAL FORMATION INC·Filed 1994·Granted Jul 18, 1995·25 cites·4 claims
- 0340US2015375966A1Noise Abatement for Elevator Submersible Power UnitsTHYSSENKRUPP ELEVATOR CORP·Filed 2014·Application pending·0 cites
- 0438US2006213175A1Synthetic fiber rope for an elevatorSMITH RORY S·Filed 2005·Application pending·0 cites
- 0534US10246302B2Auxiliary pumping unitTHYSSENKRUPP ELEVATOR CORP·Filed 2014·Granted Apr 2, 2019·0 cites·17 claims
- 0632US2002170790A1Elevator safety brakeFiled 2002·Application pending·0 cites
- 0722US5906382ARefuse bag cartFiled 1997·Granted May 25, 1999·2 cites·9 claims
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