P

Inventor

FERRISI JOHN

US5 patents
⚠️ This page may combine multiple inventors who share the name “FERRISI JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OTIS ELEVATOR CO

3 patents
US7753175B2Jul 13, 2010

Elevator car having an angled underslung roping arrangement

OTIS ELEVATOR CO8 citations74
US11325809B2May 10, 2022

Monitoring roller guide health

OTIS ELEVATOR CO1 citations57
US10011463B2Jul 3, 2018

Elevator door friction belt drive including one or more markers

OTIS ELEVATOR CO1 citations48

ERICSON RICHARD J

1 patent
US8820483B2Sep 2, 2014

Elevator machine support

ERICSON RICHARD J8 citations82

FARGO RICHARD N

1 patent
US8307952B2Nov 13, 2012

Elevator system with multiple cars in a hoistway

FARGO RICHARD N13 citations82