| 11548758 |
Health monitoring systems and methods for elevator systems |
Randy Roberts, Edward Piedra |
2023-01-10 |
|
| 11542123 |
Elevator system including a motorized module |
Kiron Bhaskar, Sam Thieu Wong, Randy Roberts, Meghan Mastriano, Brad Guilani |
2023-01-03 |
|
| 11524873 |
Ropeless elevator wheel force releasing system |
Randy Roberts, Kiron Bhaskar, Brad Guilani |
2022-12-13 |
|
| 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 |
|
| 11332344 |
Elevator car frame assembly |
Richard J. Ericson, Meghan Mastriano, Loi Cheng |
2022-05-17 |
|
| 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 |
|
| 11214464 |
Elevator seismic performance apparatus |
Richard J. Ericson, Meghan Mastriano, Loi Cheng |
2022-01-04 |
|
| 10981752 |
Modular transfer station |
Tadeusz Pawel Witczak, Richard J. Ericson, Richard Ivanic, Kevin Neville, Sven Swanson |
2021-04-20 |
|
| 10941020 |
Deflector sheave bracket for offset bedplate |
Bruce St. Pierre |
2021-03-09 |
|
| 10899580 |
Elevator cab suspension assembly for a double deck elevator |
Walter Thomas Schmidt, Enrico Manes, Shihemn Chen, Zaffir A. Chaudhry, Xiaodong Luo +4 more |
2021-01-26 |
|
| 10752466 |
Transfer station for a ropeless elevator system with redundancy of subcomponents and parking zone |
Cezary Jedryczka, Adam Marian Myszkowski, Tadeusz Pawel Witczak, Zbigniew Piech, Wojciech Szelag +2 more |
2020-08-25 |
|
| 10745247 |
Elevator car guidance mechanism |
Tadeusz Pawel Witczak, Richard N. Fargo, Enrico Manes, Zbigniew Piech, Richard J. Ericson +2 more |
2020-08-18 |
|
| 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 |
|
| 10625984 |
Counterweight for elevator system |
Bruce St. Pierre, Daniel B. Davis, III |
2020-04-21 |
|
| 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 |
|
| 10494228 |
Guiding devices for elevator systems having roller guides and motion sensors |
Randy Roberts, Patricia Derwinski, Philip R. James |
2019-12-03 |
|
| 10486940 |
Alignment system for an elevator car |
Tadeusz Pawel Witczak, Zbigniew Piech, Richard J. Ericson, Richard E. Kulak |
2019-11-26 |
|
| 10442659 |
Electromagnetic brake system for elevator application |
Amir Lotfi, James L. Hubbard |
2019-10-15 |
|
| 10407275 |
Detection and control system for elevator operations |
Yehia F. Khalil, Richard N. Fargo, Randall Keith Roberts, Randall S. Dube, Gary L Nuschler +5 more |
2019-09-10 |
|
| 10329122 |
H frame for a double deck elevator |
Walter Thomas Schmidt, Enrico Manes, Zaffir A. Chaudhry, Luke A. Mishler, Xiaodong Luo +4 more |
2019-06-25 |
|
| 9919900 |
Bedplate for elevator system |
Bruce St. Pierre, Kiron Bhaskar |
2018-03-20 |
|
| 8302740 |
Integrated support for elevator machine, sheaves and terminations |
Bruce St. Pierre, Leandre Adifon, Barry G. Blackaby |
2012-11-06 |
|
| 7670240 |
Elevator belt assembly with noise reducing groove arrangement |
John T. Pitts, Patricia Derwinski, Hugh J. O'Donnell |
2010-03-02 |
$66,195,000 |
| 7150342 |
Elevator structure mounting system having horizontal member for reducing building loads at top of hoistway |
Leandre Adifon, Richard N. Fargo, Thomas E. Landry, James A. Rivera, Bruce St. Pierre |
2006-12-19 |
$56,980,000 |
| 6805222 |
Method and apparatus for adjusting steering angle for elevator sheave |
Bruce St. Pierre, Boris G. Traktovenko, Mark F. Orelup |
2004-10-19 |
$42,520,000 |