- US12340531utility2025Method for Extracting Information About a Staircase for Designing a Stair Lift0 cites
- US12264043utility2025Apparatus for Transporting a Load, in Particular a Stairlift0 cites
- US12122642utility2024Overspeed Governor for a Stairlift0 cites
- US12122644utility2024Seat for a Stair Lift0 cites
- US11713213utility2023Apparatus for Transporting a Load from a First to a Second Level, in Particular a Stairlift0 cites