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Retrofitted hoist machine |
Christopher H. Koenig, Barry G. Blackaby, Daniel B. Davis, III, Gregory M. O'Seep, John Eschenbrenner +1 more |
2023-11-07 |
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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 |
| 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 |
| 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 |
| 8752262 |
Supplemental elevator brake and retrofitting installation procedure |
Daniel B. Davis, III, Valery Sheynkman, Kenneth V. Allen, Michael P. Keenan, Gregory M. Oseep +4 more |
2014-06-17 |
| 5894911 |
Car door locking system |
Ali Bozorgzadeh, Troy R. Chicoine, Frank E. Dyer, John Joseph Faup, Frank P. Morrisino +1 more |
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Rope cleaning device |
Paul J. Willett |
1998-08-11 |