Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193220 | Elevator suspension and/or driving assembly having at least one traction surface comprising exposed weave fibers | John P. Wesson, Gopal R. Krishnan, Timothy D. DeValve, Vijay Jayachandran | 2021-12-07 |
| 11124384 | Method for tensioning of a load bearing member of an elevator system | — | 2021-09-21 |
| 10723588 | System and method of measuring and diagnosing ride quality of an elevator system | George Scott Copeland, Soumitra Borthakur, Jinho Song | 2020-07-28 |
| 10538412 | Brake operation management in elevators | Amir Lotfi, Randall Keith Roberts, Ronnie E. Thebeau, Michael Garfinkel, Edward Piedra +1 more | 2020-01-21 |
| 10252879 | Brake operation management in elevators | Amir Lotfi, Randall Keith Roberts, Ronnie E. Thebeau, Michael Garfinkel, Edward Piedra +1 more | 2019-04-09 |
| 9850099 | Skirt for passenger conveyer | Bruce E. Hoopes, Gero Gschwendtner, Bernward Engelke, Qingdong Jiang, Yanying Chen | 2017-12-26 |
| 6520295 | Piston-type passenger conveying system | Frank Sansevero, Gordon Row, Gregg R. Draudt, Jared Alden Judson, Richard N. Fargo | 2003-02-18 |
| 6354404 | Rotatable elevator system | Frank Sansevero, Gordon Row, Gregg R. Draudt, Jared Alden Judson | 2002-03-12 |