Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DH

David M. Hughes

OEOtis Elevator: 2 patents #56 of 260Top 25%
East Hampton, CT: #6 of 31 inventorsTop 20%
Connecticut: #895 of 4,246 inventorsTop 25%
Overall (2019): #180,690 of 560,194Top 35%
2 Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10294075 Re-dispatching unoccupied elevator car for occupant evacuation operation James M. Collins, Jannah A. Stanley, Paul A. Stranieri, Ronnie E. Thebeau 2019-05-21
10227209 Orchestration of an occupant evacuation operation using destination entry fixtures James M. Collins, Jannah A. Stanley, Paul A. Stranieri, Ronnie E. Thebeau 2019-03-12