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USPTO Patent Rankings Data through Sept 30, 2025
OD

Olivier Dukacz — 5 Patents

OEOtis Elevator: 5 patents #308 of 1,840Top 20%
Les Choux, FR: #1 of 2 inventorsTop 50%
Overall (All Time): #992,071 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9637349 Elevator brake including coaxially aligned first and second brake members Helmut Lothar Schroeder-Brumloop, Pascal Rebillard, Gerard Sirigu, Ralph S. Stripling, Juan Antonio Illan +2 more 2017-05-02
8746413 Single brakeshoe test (electrical) for elevators Helmut Lothar Schroeder-Brumloop, Pascal Rebillard, Gerard Sirigu, Ralph S. Stripling, Juan Antonio Illan +2 more 2014-06-10
8365870 Foldable handrail and safety switch arrangement on top of an elevator car Gerard Sirigu, Pascal Rebillard, Dominique Goulet, Alain Simonot, Jean-Noel Cloux +10 more 2013-02-05
8162108 Elevator having a limit switch for controlling power to the drive system as an elevator car approaches a shallow pit or a low overhead Gerard Sirigu, Pascal Rebillard, Dominique Goulet, Alain Simonot, Jean-Noel Cloux +10 more 2012-04-24
8136637 Safety device for securing minimum spaces at the top or bottom of an elevator shaft being inspected, and elevator having such safety devices Thomas Coquerelle, Frederic Beauchaud, Nicolas Fonteneau, Dominique Goulet, Gerard Sirigu +1 more 2012-03-20