Inventor · disambiguated record
Zbigniew Piech
Also filed as: PIECH ZBIGNIEW
50 granted patents·28 pending applications·372 citations·filing 1994–2019
98Inventor score
Files withOTIS ELEVATOR CO52PIECH ZBIGNIEW12CARRIER CORP4UNITED TECHNOLOGIES CORP2BARRIO RODOLFO ROBLEDO1
Top patents by PatentIndex Score
78 records- 0196US10910903B2Dual rotor, coreless, electromagnetic machineCARRIER CORP·Filed 2019·Granted Feb 2, 2021·12 cites·16 claims
- 0296US7124495B2Method for making an electric motorOTIS ELEVATOR CO·Filed 2005·Granted Oct 24, 2006·40 cites·11 claims
- 0396US6952068B2Fabricated components of transverse flux electric motorsOTIS ELEVATOR CO·Filed 2000·Granted Oct 4, 2005·59 cites·20 claims
- 0490US9663327B2Elevator braking systemTERRY HAROLD·Filed 2011·Granted May 30, 2017·16 cites·8 claims
- 0585US10336577B2Braking system for an elevator systemOTIS ELEVATOR CO·Filed 2016·Granted Jul 2, 2019·2 cites·18 claims
- 0685US9884744B2Ropeless high-rise elevator installation approachOTIS ELEVATOR CO·Filed 2013·Granted Feb 6, 2018·9 cites·14 claims
- 0783US10294074B2Elevator recovery carOTIS ELEVATOR CO·Filed 2016·Granted May 21, 2019·2 cites·19 claims
- 0881US10384913B2Thermal management of linear motorOTIS ELEVATOR CO·Filed 2016·Granted Aug 20, 2019·2 cites·20 claims
- 0981US10196240B2Wireless power supply for self-propelled elevatorOTIS ELEVATOR CO·Filed 2013·Granted Feb 5, 2019·7 cites·19 claims
- 1081US9915307B2BrakePIECH ZBIGNIEW·Filed 2012·Granted Mar 13, 2018·5 cites·2 claims
- 1181US9688512B2Elevator brakeOTIS ELEVATOR CO·Filed 2012·Granted Jun 27, 2017·7 cites·4 claims
- 1280US10199889B2Electric machine having rotor with slanted permanent magnetsOTIS ELEVATOR CO·Filed 2013·Granted Feb 5, 2019·4 cites·14 claims
- 1380US10118799B2Multicar self-propelled elevator systemOTIS ELEVATOR CO·Filed 2013·Granted Nov 6, 2018·6 cites·9 claims
- 1479US9469505B2Sheet metal guide rail for an elevator systemPIECH ZBIGNIEW·Filed 2010·Granted Oct 18, 2016·7 cites·18 claims
- 1578US10781075B2Emergency safety actuator for an elevatorOTIS ELEVATOR CO·Filed 2013·Granted Sep 22, 2020·5 cites·17 claims
- 1675US10189679B2Elevator car power supplyOTIS ELEVATOR CO·Filed 2016·Granted Jan 29, 2019·1 cites·16 claims
- 1774US11001477B2Elevator linear propulsion system with cooling deviceOTIS ELEVATOR CO·Filed 2016·Granted May 11, 2021·1 cites·20 claims
- 1874US10745247B2Elevator car guidance mechanismOTIS ELEVATOR CO·Filed 2016·Granted Aug 18, 2020·1 cites·7 claims
- 1974US10196233B2Elevator system assigning cars to floor groupsOTIS ELEVATOR CO·Filed 2013·Granted Feb 5, 2019·4 cites·20 claims
- 2073US8631907B2Elevator machine framePIECH ZBIGNIEW·Filed 2007·Granted Jan 21, 2014·7 cites·17 claims
- 2173US6267205B1Magnetic guidance for an elevator ropeOTIS ELEVATOR CO·Filed 2000·Granted Jul 31, 2001·16 cites·10 claims
- 2272US10865071B2Configurable multicar elevator systemOTIS ELEVATOR CO·Filed 2015·Granted Dec 15, 2020·1 cites·16 claims
- 2370US9950902B2Stator structure for self-propelled elevatorOTIS ELEVATOR CO·Filed 2013·Granted Apr 24, 2018·2 cites·18 claims
- 2469US10059566B2Connecting cars in a multicar elevator systemOTIS ELEVATOR CO·Filed 2013·Granted Aug 28, 2018·3 cites·10 claims
- 2566US5612518ALinear induction motor door drive assembly for elevatorsOTIS ELEVATOR CO·Filed 1994·Granted Mar 18, 1997·22 cites·4 claims
- 2665US9932204B2Drive unit for multiphase permanent magnet synchronous motorOTIS ELEVATOR CO·Filed 2014·Granted Apr 3, 2018·1 cites·20 claims
- 2765US8922074B2Elevator machine motor and drive and cooling thereofGORBOUNOV MIKHAIL B·Filed 2010·Granted Dec 30, 2014·2 cites·6 claims
- 2863US10686357B2Door operator with switched flux linear motorOTIS ELEVATOR CO·Filed 2017·Granted Jun 16, 2020·1 cites·22 claims
- 2963US9457994B2Method of assembling an elevator machine frameOTIS ELEVATOR CO·Filed 2013·Granted Oct 4, 2016·1 cites·6 claims
- 3063US9193565B2Roller guide with speed dependent stiffnessPIECH ZBIGNIEW·Filed 2006·Granted Nov 24, 2015·5 cites·30 claims
- 3163US5949036ADouble linear motor and elevator doors using sameOTIS ELEVATOR CO·Filed 1998·Granted Sep 7, 1999·25 cites·18 claims
- 3262US10246298B2Ropeless elevator systemOTIS ELEVATOR CO·Filed 2013·Granted Apr 2, 2019·2 cites·16 claims
- 3361US11146140B2Universal electromagnetic machineCARRIER CORP·Filed 2019·Granted Oct 12, 2021·0 cites·18 claims
- 3461US6713922B2Integrally skewed permanent magnet for use in an electric machineOTIS ELEVATOR CO·Filed 2000·Granted Mar 30, 2004·10 cites·18 claims
- 3561US5613188AInterlaced conductor/back-iron secondary for induction motorsUNITED TECHNOLOGIES CORP·Filed 1995·Granted Mar 18, 1997·20 cites·20 claims
- 3661US2017240381A1Elevator braking systemOTIS ELEVATOR CO·Filed 2017·Application pending·0 cites
- 3760US9120644B2Braking devicePIECH ZBIGNIEW·Filed 2010·Granted Sep 1, 2015·2 cites·20 claims
- 3860US8839911B2Elevator machine frame with noise reducing configurationHUBBARD JAMES L·Filed 2009·Granted Sep 23, 2014·3 cites·13 claims
- 3959US10958123B2Electromagnetic machineCARRIER CORP·Filed 2019·Granted Mar 23, 2021·0 cites·16 claims
- 4059US9362037B2Magnetic device for controlling door movement and method thereofPIECH ZBIGNIEW·Filed 2009·Granted Jun 7, 2016·1 cites·17 claims
- 4158US10268166B2Intelligent surface systems for building solutionsOTIS ELEVATOR CO·Filed 2016·Granted Apr 23, 2019·0 cites·18 claims
- 4257US5736693AElevator door drive using dual secondary linear induction motorOTIS ELEVATOR CO·Filed 1995·Granted Apr 7, 1998·25 cites·3 claims
- 4354US9376295B2Elevator brake device including permanent magnet bias to apply a braking forcePIECH ZBIGNIEW·Filed 2007·Granted Jun 28, 2016·3 cites·25 claims
- 4454US8631917B2Elevator brake with magneto-rheological fluidPIECH ZBIGNIEW·Filed 2007·Granted Jan 21, 2014·3 cites·5 claims
- 4551US10486940B2Alignment system for an elevator carOTIS ELEVATOR CO·Filed 2016·Granted Nov 26, 2019·0 cites·8 claims
- 4651US5821656AMagnetic bearing with reduced control-flux-induced rotor lossUNITED TECHNOLOGIES CORP·Filed 1995·Granted Oct 13, 1998·12 cites·13 claims
- 4749US9371873B2Permanent magnet centering system for brakePIECH ZBIGNIEW·Filed 2011·Granted Jun 21, 2016·0 cites·15 claims
- 4849US5808246ATriac drive for three-phase line-powered linear induction motor elevator door operatorOTIS ELEVATOR CO·Filed 1995·Granted Sep 15, 1998·15 cites·9 claims
- 4949US2012308387A1Hybrid Drive Train for a Wind TurbineHIMMELMANN RICHARD A·Filed 2011·Application pending·0 cites
- 5048US9719569B2Brake for electric motorPIECH ZBIGNIEW·Filed 2011·Granted Aug 1, 2017·0 cites·13 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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