Inventor · disambiguated record
Dirk H. Tegtmeier
Also filed as: TEGTMEIER DIRK · TEGTMEIER DIRK H · TEGTMEIER DIRK HEINRICH
15 granted patents·8 pending applications·140 citations·filing 2003–2021
92Inventor score
Top patents by PatentIndex Score
23 records- 0192US8365870B2Foldable handrail and safety switch arrangement on top of an elevator carOTIS ELEVATOR CO·Filed 2012·Granted Feb 5, 2013·19 cites·7 claims
- 0290US11485608B2Elevator safety systemOTIS ELEVATOR CO·Filed 2016·Granted Nov 1, 2022·4 cites·15 claims
- 0389US8162108B2Elevator having a limit switch for controlling power to the drive system as an elevator car approaches a shallow pit or a low overheadSIRIGU GERARD·Filed 2006·Granted Apr 24, 2012·24 cites·7 claims
- 0485US12012307B2Elevator safety systemOTIS ELEVATOR CO·Filed 2019·Granted Jun 18, 2024·2 cites·16 claims
- 0584US7681693B2Method for performing an elevator rescue runOTIS ELEVATOR CO·Filed 2005·Granted Mar 23, 2010·18 cites·16 claims
- 0680US9914617B2Elevator power management to augment maximum power line powerHORBRUEGGER HERBERT·Filed 2012·Granted Mar 13, 2018·10 cites·17 claims
- 0780US7690483B2Elevator including elevator rescue systemOTIS ELEVATOR CO·Filed 2005·Granted Apr 6, 2010·14 cites·10 claims
- 0877US9376289B2Elevator control system with sleep monitorHERKEL PETER·Filed 2010·Granted Jun 28, 2016·6 cites·17 claims
- 0975US7549515B2Electrical elevator rescue systemOTIS ELEVATOR CO·Filed 2003·Granted Jun 23, 2009·21 cites·12 claims
- 1071US7523809B2Elevator top of car safetyOTIS ELEVATOR CO·Filed 2004·Granted Apr 28, 2009·18 cites·11 claims
- 1161US2022380173A1Elevator system and method for restoring operation of an elevator carOTIS ELEVATOR CO·Filed 2021·Application pending·0 cites
- 1256US10947087B2Elevator safety system and method of operating an elevator systemOTIS ELEVATOR CO·Filed 2017·Granted Mar 16, 2021·0 cites·10 claims
- 1354US8960407B2Signal correlation for missing step detection in conveyorsBRAASCH BURKHARD·Filed 2009·Granted Feb 24, 2015·4 cites·17 claims
- 1452US2020239269A1Controlling movement of an elevator carOTIS ELEVATOR CO·Filed 2019·Application pending·0 cites
- 1551US11993481B2Elevator systemOTIS ELEVATOR CO·Filed 2017·Granted May 28, 2024·0 cites·9 claims
- 1651US11014781B2Elevator safety system and method of monitoring an elevator systemOTIS ELEVATOR CO·Filed 2018·Granted May 25, 2021·0 cites·13 claims
- 1748US2019389694A1Elevator systemOTIS ELEVATOR CO·Filed 2019·Application pending·0 cites
- 1845US9158289B2Safety circuitHERKEL PETER·Filed 2010·Granted Oct 13, 2015·0 cites·21 claims
- 1945US2018237260A1Elevator safety system and method of monitoring an elevator systemOTIS ELEVATOR CO·Filed 2018·Application pending·0 cites
- 2044US2018162691A1Elevator safety system, elevator system and method of operating an elevator systemOTIS ELEVATOR CO·Filed 2017·Application pending·0 cites
- 2142US2018319622A1Elevator system and method for controlling an elevator systemHERKEL PETER·Filed 2016·Application pending·0 cites
- 2238US2019047818A1Apparatus and method for ground fault detectionOTIS ELEVATOR CO·Filed 2015·Application pending·0 cites
- 2338US2018148297A1Car operation panel of an elevator systemTEGTMEIER DIRK H·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →