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

Wolfgang Michalik

OEOtis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,788,290 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5277278 Escalator caliper brake assembly with adjustable braking torque Martin Mehlert 1994-01-11