Inventor · disambiguated record
Jeffrey Duvall
Also filed as: DUVALL JEFFREY · DUVALL JEFFREY SHAWN
8 granted patents·10 citations·filing 2017–2023
77Inventor score
Files withTK ELEVATOR INNOVATION & OPERATIONS GMBH3THYSSENKRUPP ELEVATOR AG2THYSSENKRUPP ELEVATOR INNOVATION AND OPERATIONS GMBH2THYSSENKRUPP ELEVATOR CORP1
Top patents by PatentIndex Score
8 records- 0184US11834300B2Stabilizing assemblies and methods of use thereofTK ELEVATOR INNOVATION & OPERATIONS GMBH·Filed 2021·Granted Dec 5, 2023·2 cites·17 claims
- 0283US10309475B2Elevator brake pad mounting systems and methods for making and using sameTHYSSENKRUPP ELEVATOR AG·Filed 2017·Granted Jun 4, 2019·3 cites·19 claims
- 0381US10597257B2High speed bearing assembly for elevator safety gear and methods of making and using sameTHYSSENKRUPP ELEVATOR AG·Filed 2018·Granted Mar 24, 2020·2 cites·13 claims
- 0476US11059699B2Elevator sheave assemblyTHYSSENKRUPP ELEVATOR INNOVATION AND OPERATIONS GMBH·Filed 2018·Granted Jul 13, 2021·3 cites·18 claims
- 0572US12043518B1Tension equalizing traction sheave assembly for elevator assembliesTK ELEVATOR INNOVATION & OPERATIONS GMBH·Filed 2023·Granted Jul 23, 2024·0 cites·20 claims
- 0668US12116242B2Elevator counterweight mounted governor assembliesTK ELEVATOR INNOVATION & OPERATIONS GMBH·Filed 2023·Granted Oct 15, 2024·0 cites·20 claims
- 0759US11198588B2Counterweight slack belt detection switchTHYSSENKRUPP ELEVATOR INNOVATION AND OPERATIONS GMBH·Filed 2019·Granted Dec 14, 2021·0 cites·11 claims
- 0849US10889470B2Automatic rope tension equalizer system and methodTHYSSENKRUPP ELEVATOR CORP·Filed 2017·Granted Jan 12, 2021·0 cites·18 claims
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