Monitoring roller guide health
US-11325809-B2 · May 10, 2022 · US
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Ferrisi John patents
Ferrisi John is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ferrisi John |
| Total patents | 4 |
| First publication | Dec 3, 2015 |
| Latest publication | May 10, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Monitoring roller guide health
US-2019284021-A1 · Sep 19, 2019 · US
Elevator door friction belt drive including one or more markers
US-10011463-B2 · Jul 3, 2018 · US
Elevator door friction belt drive including one or more markers
US-2015344268-A1 · Dec 3, 2015 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Otis Elevator Co | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B66B7/046 | 2 |
| B66B5/0018 | 2 |
| G05B2219/45014 | 2 |
| G05B19/0425 | 2 |
| G05B2219/2659 | 2 |