Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440774 | Elevator roping sway damper assembly | Cuauhtemoc Castro Inzunza, Michael J. Tracey | 2022-09-13 |
| 11377323 | Retrofitting an elevator machine with primary and secondary braking | Daniel B. Davis, III, Robert K. Williams, John Eschenbrenner, Gregory M. O'Seep, James L. Hubbard +5 more | 2022-07-05 |
| 11299374 | Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine | Daniel B. Davis, III, Robert K. Williams, John Eschenbrenner, Gregory M. O'Seep, James L. Hubbard +5 more | 2022-04-12 |
| 11292693 | Elevator system control based on building sway | Randy Roberts, George Scott Copeland, Luis C. Encinas Carreno, Cuauhtemoc Castro | 2022-04-05 |
| 11267675 | Cooling system for elevator with electronic visual displays | Cuauhtemoc Castro | 2022-03-08 |