Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11807493 | Retrofitted hoist machine | Christopher H. Koenig, Barry G. Blackaby, Daniel B. Davis, III, Gregory M. O'Seep, Jesse R. Richter +1 more | 2023-11-07 |
| 11377323 | Retrofitting an elevator machine with primary and secondary braking | Daniel B. Davis, III, Robert K. Williams, Gregory M. O'Seep, James L. Hubbard, Martin J. Hardesty +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, Gregory M. O'Seep, James L. Hubbard, Martin J. Hardesty +5 more | 2022-04-12 |
| 10737908 | Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine | Daniel B. Davis, III, Robert K. Williams, Gregory M. O'Seep, James L. Hubbard, Martin J. Hardesty +5 more | 2020-08-11 |
| 10618775 | Retrofitting an elevator machine with primary and secondary braking | Daniel B. Davis, III, Robert K. Williams, Gregory M. O'Seep, James L. Hubbard, Martin J. Hardesty +5 more | 2020-04-14 |
| 9624071 | Elevator passenger interface including special assistance features | Dennis Hanvey, Michael P. Flynn | 2017-04-18 |
| 5780788 | Special emergency service control arrangement for elevator car | Robert James Logemann | 1998-07-14 |