Inventor · disambiguated record
James M. Draper
Also filed as: DRAPER JAMES M
13 granted patents·2 pending applications·182 citations·filing 1991–2020
92Inventor score
Top patents by PatentIndex Score
15 records- 0191US8939262B2Elevator over-acceleration and over-speed protection systemSCHIENDA GREG A·Filed 2009·Granted Jan 27, 2015·34 cites·21 claims
- 0290US9663327B2Elevator braking systemTERRY HAROLD·Filed 2011·Granted May 30, 2017·16 cites·8 claims
- 0387US8631909B2Electromagnetic safety triggerDRAPER JAMES M·Filed 2009·Granted Jan 21, 2014·23 cites·16 claims
- 0484US11124386B2Safety brake configuration for elevator applicationOTIS ELEVATOR CO·Filed 2016·Granted Sep 21, 2021·3 cites·10 claims
- 0580US5156239ADisc brake/load weighing assembly for elevator drive sheaveOTIS ELEVATOR CO·Filed 1991·Granted Oct 20, 1992·34 cites·6 claims
- 0678US6296080B1Variable traction mechanism for rotary actuated overspeed safety deviceOTIS ELEVATOR CO·Filed 2000·Granted Oct 2, 2001·21 cites·4 claims
- 0773US5495919ASafety brake apparatus for an elevator car or counterweightOTIS ELEVATOR CO·Filed 1994·Granted Mar 5, 1996·26 cites·23 claims
- 0867US10407278B2Safety device for elevatorsOTIS ELEVATOR CO·Filed 2016·Granted Sep 10, 2019·1 cites·17 claims
- 0961US2017240381A1Elevator braking systemOTIS ELEVATOR CO·Filed 2017·Application pending·0 cites
- 1059US11745981B2Mounting apparatus for safety brakeOTIS ELEVATOR CO·Filed 2020·Granted Sep 5, 2023·0 cites·11 claims
- 1155US9821983B2Elevator braking deviceBILLARD JUSTIN·Filed 2009·Granted Nov 21, 2017·4 cites·20 claims
- 1254US8827044B2Over-acceleration and over-speed detection and processing systemMARVIN DARYL J·Filed 2009·Granted Sep 9, 2014·3 cites·34 claims
- 1346US6457569B2Rotary actuated overspeed safety deviceOTIS ELEVATOR CO·Filed 1999·Granted Oct 1, 2002·12 cites·8 claims
- 1437US2017261058A1Elevator safety spring and method of manufacturingOTIS ELEVATOR CO·Filed 2017·Application pending·0 cites
- 1533US6000503ASliding two speed door mechanism for an elevator carOTIS ELEVATOR CO·Filed 1997·Granted Dec 14, 1999·5 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →