Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10737908 | 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 | 2020-08-11 |
| 10669124 | Elevator system including a protective hoistway liner assembly | George Scott Copeland, Richard K. Pulling, Randy Roberts | 2020-06-02 |
| 10618775 | 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 | 2020-04-14 |
| 10532910 | Underslung elevator car configuration | Minglun Qiu, Anying Shen, Richard S. Blakelock, Jay S. Lengacher, Brian K. Meek +2 more | 2020-01-14 |